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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP, ForeignFunctionInterface #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Ssh</span> <span class='hs-layout'>(</span> <span class='hs-varid'>grabSSH</span><span class='hs-layout'>,</span> <span class='hs-varid'>runSSH</span><span class='hs-layout'>,</span> <span class='hs-varid'>getSSH</span><span class='hs-layout'>,</span> <span class='hs-varid'>copySSH</span><span class='hs-layout'>,</span> <span class='hs-varid'>copySSHs</span><span class='hs-layout'>,</span> <span class='hs-conid'>SSHCmd</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-4"></a> <span class='hs-varid'>environmentHelpSsh</span><span class='hs-layout'>,</span> <span class='hs-varid'>environmentHelpScp</span><span class='hs-layout'>,</span> <span class='hs-varid'>environmentHelpSshPort</span>
<a name="line-5"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-6"></a>
<a name="line-7"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span> <span class='hs-varid'>lookup</span><span class='hs-layout'>,</span> <span class='hs-varid'>catch</span> <span class='hs-layout'>)</span>
<a name="line-8"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Ratified</span><span class='hs-layout'>(</span> <span class='hs-varid'>hGetContents</span> <span class='hs-layout'>)</span>
<a name="line-9"></a>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Exit</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ExitCode</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Environment</span> <span class='hs-layout'>(</span> <span class='hs-varid'>getEnv</span> <span class='hs-layout'>)</span>
<a name="line-12"></a><span class='hs-cpp'>#ifndef WIN32</span>
<a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Process</span> <span class='hs-layout'>(</span> <span class='hs-varid'>getProcessID</span> <span class='hs-layout'>)</span>
<a name="line-14"></a><span class='hs-cpp'>#else</span>
<a name="line-15"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>showHexLen</span> <span class='hs-layout'>)</span>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Bits</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'>.&.</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Random</span> <span class='hs-layout'>(</span> <span class='hs-varid'>randomIO</span> <span class='hs-layout'>)</span>
<a name="line-18"></a><span class='hs-cpp'>#endif</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Handle</span><span class='hs-layout'>,</span> <span class='hs-varid'>hSetBinaryMode</span><span class='hs-layout'>,</span> <span class='hs-varid'>hPutStr</span><span class='hs-layout'>,</span> <span class='hs-varid'>hPutStrLn</span><span class='hs-layout'>,</span> <span class='hs-varid'>hGetLine</span><span class='hs-layout'>,</span> <span class='hs-varid'>hClose</span><span class='hs-layout'>,</span> <span class='hs-varid'>hFlush</span> <span class='hs-layout'>)</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-layout'>)</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span> <span class='hs-layout'>(</span> <span class='hs-varid'>doesFileExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-layout'>)</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span> <span class='hs-varid'>when</span> <span class='hs-layout'>)</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Process</span> <span class='hs-layout'>(</span> <span class='hs-varid'>runInteractiveProcess</span> <span class='hs-layout'>)</span>
<a name="line-24"></a>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Map</span><span class='hs-layout'>,</span> <span class='hs-varid'>empty</span><span class='hs-layout'>,</span> <span class='hs-varid'>insert</span><span class='hs-layout'>,</span> <span class='hs-varid'>lookup</span> <span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>IORef</span> <span class='hs-layout'>(</span> <span class='hs-conid'>IORef</span><span class='hs-layout'>,</span> <span class='hs-varid'>newIORef</span><span class='hs-layout'>,</span> <span class='hs-varid'>readIORef</span><span class='hs-layout'>,</span> <span class='hs-varid'>modifyIORef</span> <span class='hs-layout'>)</span>
<a name="line-27"></a>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>SignalHandler</span> <span class='hs-layout'>(</span> <span class='hs-varid'>catchNonSignal</span> <span class='hs-layout'>)</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withCurrentDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>breakCommand</span><span class='hs-layout'>,</span> <span class='hs-varid'>prettyException</span><span class='hs-layout'>,</span> <span class='hs-varid'>catchall</span> <span class='hs-layout'>)</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Global</span> <span class='hs-layout'>(</span> <span class='hs-varid'>atexit</span><span class='hs-layout'>,</span> <span class='hs-varid'>sshControlMasterDisabled</span><span class='hs-layout'>,</span> <span class='hs-varid'>darcsdir</span><span class='hs-layout'>,</span> <span class='hs-varid'>withDebugMode</span> <span class='hs-layout'>)</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Lock</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withTemp</span><span class='hs-layout'>,</span> <span class='hs-varid'>withOpenTemp</span><span class='hs-layout'>,</span> <span class='hs-varid'>tempdir_loc</span><span class='hs-layout'>,</span> <span class='hs-varid'>removeFileMayNotExist</span> <span class='hs-layout'>)</span>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Exec</span> <span class='hs-layout'>(</span> <span class='hs-varid'>exec</span><span class='hs-layout'>,</span> <span class='hs-conid'>Redirects</span><span class='hs-layout'>,</span> <span class='hs-conid'>Redirect</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Progress</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withoutProgress</span><span class='hs-layout'>,</span> <span class='hs-varid'>debugMessage</span><span class='hs-layout'>,</span> <span class='hs-varid'>debugFail</span><span class='hs-layout'>,</span> <span class='hs-varid'>progressList</span> <span class='hs-layout'>)</span>
<a name="line-34"></a>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>B</span> <span class='hs-layout'>(</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>,</span> <span class='hs-varid'>hGet</span><span class='hs-layout'>,</span> <span class='hs-varid'>writeFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>readFile</span><span class='hs-layout'>)</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BC</span> <span class='hs-layout'>(</span><span class='hs-varid'>unpack</span><span class='hs-layout'>)</span>
<a name="line-37"></a>
<a name="line-38"></a><span class='hs-cpp'>#include "impossible.h"</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="sshConnections"></a><span class='hs-comment'>{-# NOINLINE sshConnections #-}</span>
<a name="line-41"></a><span class='hs-definition'>sshConnections</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IORef</span> <span class='hs-layout'>(</span><span class='hs-conid'>Map</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Connection</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-42"></a><span class='hs-definition'>sshConnections</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newIORef</span> <span class='hs-varid'>empty</span>
<a name="line-43"></a>
<a name="line-44"></a><a name="Connection"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Connection</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>C</span> <span class='hs-layout'>{</span> <span class='hs-varid'>inp</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Handle</span><span class='hs-layout'>,</span> <span class='hs-varid'>out</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Handle</span><span class='hs-layout'>,</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Handle</span><span class='hs-layout'>,</span> <span class='hs-varid'>deb</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <span class='hs-layout'>}</span>
<a name="line-45"></a>
<a name="line-46"></a><a name="withSSHConnection"></a><span class='hs-definition'>withSSHConnection</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Connection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-47"></a><span class='hs-definition'>withSSHConnection</span> <span class='hs-varid'>rdarcs</span> <span class='hs-varid'>repoid</span> <span class='hs-varid'>withconnection</span> <span class='hs-varid'>withoutconnection</span> <span class='hs-keyglyph'>=</span>
<a name="line-48"></a> <span class='hs-varid'>withoutProgress</span> <span class='hs-varop'>$</span>
<a name="line-49"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readIORef</span> <span class='hs-varid'>sshConnections</span>
<a name="line-50"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>uhost</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span> <span class='hs-varid'>repoid</span>
<a name="line-51"></a> <span class='hs-varid'>url</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cleanrepourl</span> <span class='hs-varid'>repoid</span>
<a name="line-52"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>url</span> <span class='hs-layout'>(</span><span class='hs-varid'>cs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Map</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Connection</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-53"></a> <span class='hs-conid'>Just</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withoutconnection</span>
<a name="line-54"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withconnection</span> <span class='hs-varid'>c</span>
<a name="line-55"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span>
<a name="line-56"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>mc</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span><span class='hs-varid'>sshargs_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSSHOnly</span> <span class='hs-conid'>SSH</span>
<a name="line-57"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>sshargs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sshargs_</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>uhost</span><span class='hs-layout'>,</span><span class='hs-varid'>rdarcs</span><span class='hs-layout'>,</span>
<a name="line-58"></a> <span class='hs-str'>"transfer-mode"</span><span class='hs-layout'>,</span><span class='hs-str'>"--repodir"</span><span class='hs-layout'>,</span><span class='hs-varid'>cleanrepodir</span> <span class='hs-varid'>repoid</span><span class='hs-keyglyph'>]</span>
<a name="line-59"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"ssh "</span><span class='hs-varop'>++</span><span class='hs-varid'>unwords</span> <span class='hs-varid'>sshargs</span>
<a name="line-60"></a> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>runInteractiveProcess</span> <span class='hs-varid'>ssh</span> <span class='hs-varid'>sshargs</span> <span class='hs-conid'>Nothing</span> <span class='hs-conid'>Nothing</span>
<a name="line-61"></a> <span class='hs-varid'>hSetBinaryMode</span> <span class='hs-varid'>i</span> <span class='hs-conid'>True</span>
<a name="line-62"></a> <span class='hs-varid'>hSetBinaryMode</span> <span class='hs-varid'>o</span> <span class='hs-conid'>True</span>
<a name="line-63"></a> <span class='hs-varid'>l</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hGetLine</span> <span class='hs-varid'>o</span>
<a name="line-64"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>l</span> <span class='hs-varop'>==</span> <span class='hs-str'>"Hello user, I am darcs transfer mode"</span>
<a name="line-65"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-66"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>debugFail</span> <span class='hs-str'>"Couldn't start darcs transfer-mode on server"</span>
<a name="line-67"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>C</span> <span class='hs-layout'>{</span> <span class='hs-varid'>inp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-varid'>out</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>o</span><span class='hs-layout'>,</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>e</span><span class='hs-layout'>,</span>
<a name="line-68"></a> <span class='hs-varid'>deb</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>debugMessage</span> <span class='hs-layout'>(</span><span class='hs-str'>"with ssh (transfer-mode) "</span><span class='hs-varop'>++</span><span class='hs-varid'>uhost</span><span class='hs-varop'>++</span><span class='hs-str'>": "</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>}</span>
<a name="line-69"></a> <span class='hs-varid'>modifyIORef</span> <span class='hs-varid'>sshConnections</span> <span class='hs-layout'>(</span><span class='hs-varid'>insert</span> <span class='hs-varid'>url</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-70"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>c</span>
<a name="line-71"></a> <span class='hs-varop'>`catchNonSignal`</span>
<a name="line-72"></a> <span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Failed to start ssh connection:\n "</span><span class='hs-varop'>++</span>
<a name="line-73"></a> <span class='hs-varid'>prettyException</span> <span class='hs-varid'>e</span>
<a name="line-74"></a> <span class='hs-varid'>severSSHConnection</span> <span class='hs-varid'>repoid</span>
<a name="line-75"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span>
<a name="line-76"></a> <span class='hs-keyglyph'>[</span> <span class='hs-str'>"NOTE: the server may be running a version of darcs prior to 2.0.0."</span>
<a name="line-77"></a> <span class='hs-layout'>,</span> <span class='hs-str'>""</span>
<a name="line-78"></a> <span class='hs-layout'>,</span> <span class='hs-str'>"Installing darcs 2 on the server will speed up ssh-based commands."</span>
<a name="line-79"></a> <span class='hs-keyglyph'>]</span>
<a name="line-80"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-81"></a> <span class='hs-varid'>maybe</span> <span class='hs-varid'>withoutconnection</span> <span class='hs-varid'>withconnection</span> <span class='hs-varid'>mc</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="severSSHConnection"></a><span class='hs-definition'>severSSHConnection</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-84"></a><span class='hs-definition'>severSSHConnection</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Severing ssh failed connection to "</span><span class='hs-varop'>++</span><span class='hs-varid'>x</span>
<a name="line-85"></a> <span class='hs-varid'>modifyIORef</span> <span class='hs-varid'>sshConnections</span> <span class='hs-layout'>(</span><span class='hs-varid'>insert</span> <span class='hs-layout'>(</span><span class='hs-varid'>cleanrepourl</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="cleanrepourl"></a><span class='hs-definition'>cleanrepourl</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-88"></a><span class='hs-definition'>cleanrepourl</span> <span class='hs-varid'>zzz</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>take</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>dd</span><span class='hs-layout'>)</span> <span class='hs-varid'>zzz</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dd</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-89"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>dd</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>darcsdir</span><span class='hs-varop'>++</span><span class='hs-str'>"/"</span>
<a name="line-90"></a><span class='hs-definition'>cleanrepourl</span> <span class='hs-layout'>(</span><span class='hs-varid'>z</span><span class='hs-conop'>:</span><span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>z</span> <span class='hs-conop'>:</span> <span class='hs-varid'>cleanrepourl</span> <span class='hs-varid'>zs</span>
<a name="line-91"></a><span class='hs-definition'>cleanrepourl</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-92"></a>
<a name="line-93"></a><a name="cleanrepodir"></a><span class='hs-definition'>cleanrepodir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-94"></a><span class='hs-definition'>cleanrepodir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cleanrepourl</span> <span class='hs-varop'>.</span> <span class='hs-varid'>drop</span> <span class='hs-num'>1</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="grabSSH"></a><span class='hs-definition'>grabSSH</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Connection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-97"></a><span class='hs-definition'>grabSSH</span> <span class='hs-varid'>x</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-98"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>dir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>drop</span> <span class='hs-num'>1</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-99"></a> <span class='hs-varid'>dd</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>darcsdir</span><span class='hs-varop'>++</span><span class='hs-str'>"/"</span>
<a name="line-100"></a> <span class='hs-varid'>clean</span> <span class='hs-varid'>zzz</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>take</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>dd</span><span class='hs-layout'>)</span> <span class='hs-varid'>zzz</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dd</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>dd</span><span class='hs-layout'>)</span> <span class='hs-varid'>zzz</span>
<a name="line-101"></a> <span class='hs-varid'>clean</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>clean</span> <span class='hs-varid'>zs</span>
<a name="line-102"></a> <span class='hs-varid'>clean</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bug</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Buggy path in grabSSH: "</span><span class='hs-varop'>++</span><span class='hs-varid'>x</span>
<a name="line-103"></a> <span class='hs-varid'>file</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>clean</span> <span class='hs-varid'>dir</span>
<a name="line-104"></a> <span class='hs-varid'>failwith</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>severSSHConnection</span> <span class='hs-varid'>x</span>
<a name="line-105"></a> <span class='hs-comment'>-- hGetContents is ok here because we're</span>
<a name="line-106"></a> <span class='hs-comment'>-- only grabbing stderr, and we're also</span>
<a name="line-107"></a> <span class='hs-comment'>-- about to throw the contents.</span>
<a name="line-108"></a> <span class='hs-varid'>eee</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>Ratified</span><span class='hs-varop'>.</span><span class='hs-varid'>hGetContents</span> <span class='hs-layout'>(</span><span class='hs-varid'>err</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-109"></a> <span class='hs-varid'>debugFail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>e</span> <span class='hs-varop'>++</span> <span class='hs-str'>" grabbing ssh file "</span><span class='hs-varop'>++</span><span class='hs-varid'>x</span><span class='hs-varop'>++</span><span class='hs-str'>"\n"</span><span class='hs-varop'>++</span><span class='hs-varid'>eee</span>
<a name="line-110"></a> <span class='hs-varid'>deb</span> <span class='hs-varid'>c</span> <span class='hs-varop'>$</span> <span class='hs-str'>"get "</span><span class='hs-varop'>++</span><span class='hs-varid'>file</span>
<a name="line-111"></a> <span class='hs-varid'>hPutStrLn</span> <span class='hs-layout'>(</span><span class='hs-varid'>inp</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-str'>"get "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>file</span>
<a name="line-112"></a> <span class='hs-varid'>hFlush</span> <span class='hs-layout'>(</span><span class='hs-varid'>inp</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-113"></a> <span class='hs-varid'>l2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hGetLine</span> <span class='hs-layout'>(</span><span class='hs-varid'>out</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-114"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>l2</span> <span class='hs-varop'>==</span> <span class='hs-str'>"got "</span><span class='hs-varop'>++</span><span class='hs-varid'>file</span>
<a name="line-115"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>showlen</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hGetLine</span> <span class='hs-layout'>(</span><span class='hs-varid'>out</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-116"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>reads</span> <span class='hs-varid'>showlen</span> <span class='hs-keyword'>of</span>
<a name="line-117"></a> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>len</span><span class='hs-layout'>,</span><span class='hs-str'>""</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>hGet</span> <span class='hs-layout'>(</span><span class='hs-varid'>out</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>len</span>
<a name="line-118"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>failwith</span> <span class='hs-str'>"Couldn't get length"</span>
<a name="line-119"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>l2</span> <span class='hs-varop'>==</span> <span class='hs-str'>"error "</span><span class='hs-varop'>++</span><span class='hs-varid'>file</span>
<a name="line-120"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hGetLine</span> <span class='hs-layout'>(</span><span class='hs-varid'>out</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-121"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>reads</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>of</span>
<a name="line-122"></a> <span class='hs-layout'>(</span><span class='hs-varid'>msg</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>debugFail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Error reading file remotely:\n"</span><span class='hs-varop'>++</span><span class='hs-varid'>msg</span>
<a name="line-123"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>failwith</span> <span class='hs-str'>"An error occurred"</span>
<a name="line-124"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>failwith</span> <span class='hs-str'>"Error"</span>
<a name="line-125"></a>
<a name="line-126"></a><a name="sshStdErrMode"></a><span class='hs-definition'>sshStdErrMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Redirect</span>
<a name="line-127"></a><span class='hs-definition'>sshStdErrMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withDebugMode</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>amdebugging</span> <span class='hs-keyglyph'>-></span>
<a name="line-128"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>amdebugging</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>AsIs</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Null</span>
<a name="line-129"></a>
<a name="line-130"></a><a name="copySSH"></a><span class='hs-definition'>copySSH</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-131"></a><span class='hs-definition'>copySSH</span> <span class='hs-varid'>rdarcs</span> <span class='hs-varid'>uRaw</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withSSHConnection</span> <span class='hs-varid'>rdarcs</span> <span class='hs-varid'>uRaw</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>grabSSH</span> <span class='hs-varid'>uRaw</span> <span class='hs-varid'>c</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-132"></a> <span class='hs-keyword'>do</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>u</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escape_dollar</span> <span class='hs-varid'>uRaw</span>
<a name="line-133"></a> <span class='hs-varid'>stderr_behavior</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>sshStdErrMode</span>
<a name="line-134"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>runSSH</span> <span class='hs-conid'>SCP</span> <span class='hs-varid'>u</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>u</span><span class='hs-layout'>,</span><span class='hs-varid'>f</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-conid'>AsIs</span><span class='hs-layout'>,</span><span class='hs-conid'>AsIs</span><span class='hs-layout'>,</span><span class='hs-varid'>stderr_behavior</span><span class='hs-layout'>)</span>
<a name="line-135"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varop'>/=</span> <span class='hs-conid'>ExitSuccess</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-136"></a> <span class='hs-varid'>debugFail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"(scp) failed to fetch: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>u</span>
<a name="line-137"></a> <span class='hs-keyword'>where</span> <span class='hs-comment'>{- '$' in filenames is troublesome for scp, for some reason.. -}</span>
<a name="line-138"></a> <span class='hs-varid'>escape_dollar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-139"></a> <span class='hs-varid'>escape_dollar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>tr</span>
<a name="line-140"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>tr</span> <span class='hs-chr'>'$'</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"\\$"</span>
<a name="line-141"></a> <span class='hs-varid'>tr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span>
<a name="line-142"></a>
<a name="line-143"></a><a name="copySSHs"></a><span class='hs-definition'>copySSHs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-144"></a><span class='hs-definition'>copySSHs</span> <span class='hs-varid'>rdarcs</span> <span class='hs-varid'>u</span> <span class='hs-varid'>ns</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span>
<a name="line-145"></a> <span class='hs-varid'>withSSHConnection</span> <span class='hs-varid'>rdarcs</span> <span class='hs-varid'>u</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-varid'>d</span> <span class='hs-varop'>$</span>
<a name="line-146"></a> <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>n</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>grabSSH</span> <span class='hs-layout'>(</span><span class='hs-varid'>u</span><span class='hs-varop'>++</span><span class='hs-str'>"/"</span><span class='hs-varop'>++</span><span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>c</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-147"></a> <span class='hs-varid'>progressList</span> <span class='hs-str'>"Copying via ssh"</span> <span class='hs-varid'>ns</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-148"></a> <span class='hs-keyword'>do</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>path</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>drop</span> <span class='hs-num'>1</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span> <span class='hs-varid'>u</span>
<a name="line-149"></a> <span class='hs-varid'>host</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span> <span class='hs-varid'>u</span>
<a name="line-150"></a> <span class='hs-varid'>cd</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"cd "</span><span class='hs-varop'>++</span><span class='hs-varid'>path</span><span class='hs-varop'>++</span><span class='hs-str'>"\n"</span>
<a name="line-151"></a> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cd</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-str'>"get "</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varid'>ns</span><span class='hs-layout'>)</span>
<a name="line-152"></a> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-varid'>d</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withOpenTemp</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>th</span><span class='hs-layout'>,</span><span class='hs-varid'>tn</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-153"></a> <span class='hs-varid'>withTemp</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>sftpoutput</span> <span class='hs-keyglyph'>-></span>
<a name="line-154"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>hPutStr</span> <span class='hs-varid'>th</span> <span class='hs-varid'>input</span>
<a name="line-155"></a> <span class='hs-varid'>hClose</span> <span class='hs-varid'>th</span>
<a name="line-156"></a> <span class='hs-varid'>stderr_behavior</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>sshStdErrMode</span>
<a name="line-157"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>runSSH</span> <span class='hs-conid'>SFTP</span> <span class='hs-varid'>u</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>host</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-conid'>File</span> <span class='hs-varid'>tn</span><span class='hs-layout'>,</span> <span class='hs-conid'>File</span> <span class='hs-varid'>sftpoutput</span><span class='hs-layout'>,</span> <span class='hs-varid'>stderr_behavior</span><span class='hs-layout'>)</span>
<a name="line-158"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>files</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>ns</span> <span class='hs-varop'>></span> <span class='hs-num'>5</span>
<a name="line-159"></a> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-varid'>take</span> <span class='hs-num'>5</span> <span class='hs-varid'>ns</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"and "</span>
<a name="line-160"></a> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>ns</span> <span class='hs-comment'>-</span> <span class='hs-num'>5</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>" more"</span><span class='hs-keyglyph'>]</span>
<a name="line-161"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>ns</span>
<a name="line-162"></a> <span class='hs-varid'>hint</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>take</span> <span class='hs-num'>1</span> <span class='hs-varid'>path</span> <span class='hs-varop'>==</span> <span class='hs-str'>"~"</span>
<a name="line-163"></a> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"sftp doesn't expand ~, use path/ instead of ~/path/"</span><span class='hs-keyglyph'>]</span>
<a name="line-164"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span>
<a name="line-165"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varop'>/=</span> <span class='hs-conid'>ExitSuccess</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-166"></a> <span class='hs-varid'>outputPS</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>readFile</span> <span class='hs-varid'>sftpoutput</span>
<a name="line-167"></a> <span class='hs-varid'>debugFail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span>
<a name="line-168"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"(sftp) failed to fetch files."</span><span class='hs-layout'>,</span>
<a name="line-169"></a> <span class='hs-str'>"source directory: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>path</span><span class='hs-layout'>,</span>
<a name="line-170"></a> <span class='hs-str'>"source files:"</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>files</span> <span class='hs-varop'>++</span>
<a name="line-171"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"sftp output:"</span><span class='hs-layout'>,</span><span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>outputPS</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-172"></a> <span class='hs-varid'>hint</span>
<a name="line-173"></a>
<a name="line-174"></a><span class='hs-comment'>-- ---------------------------------------------------------------------</span>
<a name="line-175"></a><span class='hs-comment'>-- older ssh helper functions</span>
<a name="line-176"></a><span class='hs-comment'>-- ---------------------------------------------------------------------</span>
<a name="line-177"></a>
<a name="line-178"></a><a name="SSHCmd"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>SSHCmd</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SSH</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SCP</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SFTP</span>
<a name="line-179"></a>
<a name="line-180"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>SSHCmd</span> <span class='hs-keyword'>where</span>
<a name="line-181"></a> <span class='hs-varid'>show</span> <span class='hs-conid'>SSH</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"ssh"</span>
<a name="line-182"></a> <span class='hs-varid'>show</span> <span class='hs-conid'>SCP</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"scp"</span>
<a name="line-183"></a> <span class='hs-varid'>show</span> <span class='hs-conid'>SFTP</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"sftp"</span>
<a name="line-184"></a>
<a name="line-185"></a><a name="runSSH"></a><span class='hs-definition'>runSSH</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SSHCmd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Redirects</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>ExitCode</span>
<a name="line-186"></a><span class='hs-definition'>runSSH</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>remoteAddr</span> <span class='hs-varid'>preArgs</span> <span class='hs-varid'>postArgs</span> <span class='hs-varid'>redirs</span> <span class='hs-keyglyph'>=</span>
<a name="line-187"></a> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSSH</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>remoteAddr</span>
<a name="line-188"></a> <span class='hs-varid'>exec</span> <span class='hs-varid'>ssh</span> <span class='hs-layout'>(</span><span class='hs-varid'>preArgs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>args</span> <span class='hs-varop'>++</span> <span class='hs-varid'>postArgs</span><span class='hs-layout'>)</span> <span class='hs-varid'>redirs</span>
<a name="line-189"></a>
<a name="line-190"></a><a name="getSSH"></a><span class='hs-comment'>-- | Return the command and arguments needed to run an ssh command</span>
<a name="line-191"></a><span class='hs-comment'>-- along with any extra features like use of the control master.</span>
<a name="line-192"></a><span class='hs-comment'>-- See 'getSSHOnly'</span>
<a name="line-193"></a><span class='hs-definition'>getSSH</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SSHCmd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ remote path</span>
<a name="line-194"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-195"></a><span class='hs-definition'>getSSH</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>remoteAddr</span> <span class='hs-keyglyph'>=</span>
<a name="line-196"></a> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span> <span class='hs-varid'>ssh_args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSSHOnly</span> <span class='hs-varid'>cmd</span>
<a name="line-197"></a> <span class='hs-varid'>cm_args</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>sshControlMasterDisabled</span>
<a name="line-198"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-199"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-comment'>-- control master</span>
<a name="line-200"></a> <span class='hs-varid'>cmPath</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>controlMasterPath</span> <span class='hs-varid'>remoteAddr</span>
<a name="line-201"></a> <span class='hs-varid'>hasLaunchedCm</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>cmPath</span>
<a name="line-202"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varid'>hasLaunchedCm</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>launchSSHControlMaster</span> <span class='hs-varid'>remoteAddr</span>
<a name="line-203"></a> <span class='hs-varid'>hasCmFeature</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>cmPath</span>
<a name="line-204"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>hasCmFeature</span> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span> <span class='hs-str'>"-o ControlPath="</span> <span class='hs-varop'>++</span> <span class='hs-varid'>cmPath</span> <span class='hs-keyglyph'>]</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span>
<a name="line-205"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>verbosity</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>cmd</span> <span class='hs-keyword'>of</span>
<a name="line-206"></a> <span class='hs-conid'>SCP</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"-q"</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- (p)scp is the only one that recognises -q</span>
<a name="line-207"></a> <span class='hs-comment'>-- sftp and (p)sftp do not, and plink neither</span>
<a name="line-208"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-209"></a> <span class='hs-comment'>--</span>
<a name="line-210"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span> <span class='hs-varid'>verbosity</span> <span class='hs-varop'>++</span> <span class='hs-varid'>ssh_args</span> <span class='hs-varop'>++</span> <span class='hs-varid'>cm_args</span><span class='hs-layout'>)</span>
<a name="line-211"></a>
<a name="line-212"></a><a name="getSSHOnly"></a><span class='hs-comment'>-- | Return the command and arguments needed to run an ssh command.</span>
<a name="line-213"></a><span class='hs-comment'>-- First try the appropriate darcs environment variable and SSH_PORT</span>
<a name="line-214"></a><span class='hs-comment'>-- defaulting to "ssh" and no specified port.</span>
<a name="line-215"></a><span class='hs-definition'>getSSHOnly</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SSHCmd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-216"></a><span class='hs-definition'>getSSHOnly</span> <span class='hs-varid'>cmd</span> <span class='hs-keyglyph'>=</span>
<a name="line-217"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>ssh_command</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getEnv</span> <span class='hs-layout'>(</span><span class='hs-varid'>evar</span> <span class='hs-varid'>cmd</span><span class='hs-layout'>)</span> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>cmd</span><span class='hs-layout'>)</span>
<a name="line-218"></a> <span class='hs-comment'>-- port</span>
<a name="line-219"></a> <span class='hs-varid'>port</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-varid'>portFlag</span> <span class='hs-varid'>cmd</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>getEnv</span> <span class='hs-str'>"SSH_PORT"</span><span class='hs-layout'>)</span> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-220"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span> <span class='hs-varid'>ssh_args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>breakCommand</span> <span class='hs-varid'>ssh_command</span>
<a name="line-221"></a> <span class='hs-comment'>--</span>
<a name="line-222"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span> <span class='hs-varid'>ssh_args</span> <span class='hs-varop'>++</span> <span class='hs-varid'>port</span><span class='hs-layout'>)</span>
<a name="line-223"></a> <span class='hs-keyword'>where</span>
<a name="line-224"></a> <span class='hs-varid'>evar</span> <span class='hs-conid'>SSH</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DARCS_SSH"</span>
<a name="line-225"></a> <span class='hs-varid'>evar</span> <span class='hs-conid'>SCP</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DARCS_SCP"</span>
<a name="line-226"></a> <span class='hs-varid'>evar</span> <span class='hs-conid'>SFTP</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DARCS_SFTP"</span>
<a name="line-227"></a> <span class='hs-varid'>portFlag</span> <span class='hs-conid'>SSH</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"-p"</span><span class='hs-layout'>,</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-228"></a> <span class='hs-varid'>portFlag</span> <span class='hs-conid'>SCP</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"-P"</span><span class='hs-layout'>,</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-229"></a> <span class='hs-varid'>portFlag</span> <span class='hs-conid'>SFTP</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"-oPort="</span><span class='hs-varop'>++</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-230"></a>
<a name="line-231"></a><a name="environmentHelpSsh"></a><span class='hs-definition'>environmentHelpSsh</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-232"></a><span class='hs-definition'>environmentHelpSsh</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-str'>"DARCS_SSH"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span>
<a name="line-233"></a> <span class='hs-str'>"Repositories of the form [user@]host:[dir] are taken to be remote"</span><span class='hs-layout'>,</span>
<a name="line-234"></a> <span class='hs-str'>"repositories, which Darcs accesses with the external program ssh(1)."</span><span class='hs-layout'>,</span>
<a name="line-235"></a> <span class='hs-str'>""</span><span class='hs-layout'>,</span>
<a name="line-236"></a> <span class='hs-str'>"The environment variable $DARCS_SSH can be used to specify an"</span><span class='hs-layout'>,</span>
<a name="line-237"></a> <span class='hs-str'>"alternative SSH client. Arguments may be included, separated by"</span><span class='hs-layout'>,</span>
<a name="line-238"></a> <span class='hs-str'>"whitespace. The value is not interpreted by a shell, so shell"</span><span class='hs-layout'>,</span>
<a name="line-239"></a> <span class='hs-str'>"constructs cannot be used; in particular, it is not possible for the"</span><span class='hs-layout'>,</span>
<a name="line-240"></a> <span class='hs-str'>"program name to contain whitespace by using quoting or escaping."</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-241"></a>
<a name="line-242"></a><a name="environmentHelpScp"></a><span class='hs-definition'>environmentHelpScp</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-243"></a><span class='hs-definition'>environmentHelpScp</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-str'>"DARCS_SCP"</span><span class='hs-layout'>,</span> <span class='hs-str'>"DARCS_SFTP"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span>
<a name="line-244"></a> <span class='hs-str'>"When reading from a remote repository, Darcs will attempt to run"</span><span class='hs-layout'>,</span>
<a name="line-245"></a> <span class='hs-str'>"`darcs transfer-mode' on the remote host. This will fail if the"</span><span class='hs-layout'>,</span>
<a name="line-246"></a> <span class='hs-str'>"remote host only has Darcs 1 installed, doesn't have Darcs installed"</span><span class='hs-layout'>,</span>
<a name="line-247"></a> <span class='hs-str'>"at all, or only allows SFTP."</span><span class='hs-layout'>,</span>
<a name="line-248"></a> <span class='hs-str'>""</span><span class='hs-layout'>,</span>
<a name="line-249"></a> <span class='hs-str'>"If transfer-mode fails, Darcs will fall back on scp(1) and sftp(1)."</span><span class='hs-layout'>,</span>
<a name="line-250"></a> <span class='hs-str'>"The commands invoked can be customized with the environment variables"</span><span class='hs-layout'>,</span>
<a name="line-251"></a> <span class='hs-str'>"$DARCS_SCP and $DARCS_SFTP respectively, which behave like $DARCS_SSH."</span><span class='hs-layout'>,</span>
<a name="line-252"></a> <span class='hs-str'>"If the remote end allows only sftp, try setting DARCS_SCP=sftp."</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-253"></a>
<a name="line-254"></a><a name="environmentHelpSshPort"></a><span class='hs-definition'>environmentHelpSshPort</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-255"></a><span class='hs-definition'>environmentHelpSshPort</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-str'>"SSH_PORT"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span>
<a name="line-256"></a> <span class='hs-str'>"If this environment variable is set, it will be used as the port"</span><span class='hs-layout'>,</span>
<a name="line-257"></a> <span class='hs-str'>"number for all SSH calls made by Darcs (when accessing remote"</span><span class='hs-layout'>,</span>
<a name="line-258"></a> <span class='hs-str'>"repositories over SSH). This is useful if your SSH server does not"</span><span class='hs-layout'>,</span>
<a name="line-259"></a> <span class='hs-str'>"run on the default port, and your SSH client does not support"</span><span class='hs-layout'>,</span>
<a name="line-260"></a> <span class='hs-str'>"ssh_config(5). OpenSSH users will probably prefer to put something"</span><span class='hs-layout'>,</span>
<a name="line-261"></a> <span class='hs-str'>"like `Host *.example.net Port 443' into their ~/.ssh/config file."</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-262"></a>
<a name="line-263"></a><a name="hasSSHControlMaster"></a><span class='hs-comment'>-- | Return True if this version of ssh has a ControlMaster feature</span>
<a name="line-264"></a><span class='hs-comment'>-- The ControlMaster functionality allows for ssh multiplexing</span>
<a name="line-265"></a><span class='hs-definition'>hasSSHControlMaster</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span>
<a name="line-266"></a><span class='hs-definition'>hasSSHControlMaster</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varid'>hasSSHControlMasterIO</span>
<a name="line-267"></a>
<a name="line-268"></a><a name="hasSSHControlMasterIO"></a><span class='hs-comment'>-- Because of the unsafePerformIO above, this can be called at any</span>
<a name="line-269"></a><span class='hs-comment'>-- point. It cannot rely on any state, not even the current directory.</span>
<a name="line-270"></a><span class='hs-definition'>hasSSHControlMasterIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
<a name="line-271"></a><span class='hs-definition'>hasSSHControlMasterIO</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-272"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSSHOnly</span> <span class='hs-conid'>SSH</span>
<a name="line-273"></a> <span class='hs-comment'>-- If ssh has the ControlMaster feature, it will recognise the</span>
<a name="line-274"></a> <span class='hs-comment'>-- the -O flag, but exit with status 255 because of the nonsense</span>
<a name="line-275"></a> <span class='hs-comment'>-- command. If it does not have the feature, it will simply dump</span>
<a name="line-276"></a> <span class='hs-comment'>-- a help message on the screen and exit with 1.</span>
<a name="line-277"></a> <span class='hs-varid'>sx</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>exec</span> <span class='hs-varid'>ssh</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"-O"</span><span class='hs-layout'>,</span> <span class='hs-str'>"an_invalid_command"</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-conid'>Null</span><span class='hs-layout'>,</span><span class='hs-conid'>Null</span><span class='hs-layout'>,</span><span class='hs-conid'>Null</span><span class='hs-layout'>)</span>
<a name="line-278"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>sx</span> <span class='hs-keyword'>of</span>
<a name="line-279"></a> <span class='hs-conid'>ExitFailure</span> <span class='hs-num'>255</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
<a name="line-280"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
<a name="line-281"></a>
<a name="line-282"></a><a name="launchSSHControlMaster"></a><span class='hs-comment'>-- | Launch an SSH control master in the background, if available.</span>
<a name="line-283"></a><span class='hs-comment'>-- We don't have to wait for it or anything.</span>
<a name="line-284"></a><span class='hs-comment'>-- Note also that this will cleanup after itself when darcs exits</span>
<a name="line-285"></a><span class='hs-definition'>launchSSHControlMaster</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-286"></a><span class='hs-definition'>launchSSHControlMaster</span> <span class='hs-varid'>rawAddr</span> <span class='hs-keyglyph'>=</span>
<a name="line-287"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>hasSSHControlMaster</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-288"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>addr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span> <span class='hs-varid'>rawAddr</span>
<a name="line-289"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span> <span class='hs-varid'>ssh_args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSSHOnly</span> <span class='hs-conid'>SSH</span>
<a name="line-290"></a> <span class='hs-varid'>cmPath</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>controlMasterPath</span> <span class='hs-varid'>addr</span>
<a name="line-291"></a> <span class='hs-varid'>removeFileMayNotExist</span> <span class='hs-varid'>cmPath</span>
<a name="line-292"></a> <span class='hs-comment'>-- -f : put ssh in the background once it succeeds in logging you in</span>
<a name="line-293"></a> <span class='hs-comment'>-- -M : launch as the control master for addr</span>
<a name="line-294"></a> <span class='hs-comment'>-- -N : don't run any commands</span>
<a name="line-295"></a> <span class='hs-comment'>-- -S : use cmPath as the ControlPath. Equivalent to -oControlPath=</span>
<a name="line-296"></a> <span class='hs-varid'>exec</span> <span class='hs-varid'>ssh</span> <span class='hs-layout'>(</span><span class='hs-varid'>ssh_args</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>addr</span><span class='hs-layout'>,</span> <span class='hs-str'>"-S"</span><span class='hs-layout'>,</span> <span class='hs-varid'>cmPath</span><span class='hs-layout'>,</span> <span class='hs-str'>"-N"</span><span class='hs-layout'>,</span> <span class='hs-str'>"-f"</span><span class='hs-layout'>,</span> <span class='hs-str'>"-M"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Null</span><span class='hs-layout'>,</span><span class='hs-conid'>Null</span><span class='hs-layout'>,</span><span class='hs-conid'>AsIs</span><span class='hs-layout'>)</span>
<a name="line-297"></a> <span class='hs-varid'>atexit</span> <span class='hs-varop'>$</span> <span class='hs-varid'>exitSSHControlMaster</span> <span class='hs-varid'>addr</span>
<a name="line-298"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-299"></a>
<a name="line-300"></a><a name="exitSSHControlMaster"></a><span class='hs-comment'>-- | Tell the SSH control master for a given path to exit.</span>
<a name="line-301"></a><span class='hs-definition'>exitSSHControlMaster</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-302"></a><span class='hs-definition'>exitSSHControlMaster</span> <span class='hs-varid'>addr</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-303"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ssh</span><span class='hs-layout'>,</span> <span class='hs-varid'>ssh_args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSSHOnly</span> <span class='hs-conid'>SSH</span>
<a name="line-304"></a> <span class='hs-varid'>cmPath</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>controlMasterPath</span> <span class='hs-varid'>addr</span>
<a name="line-305"></a> <span class='hs-varid'>exec</span> <span class='hs-varid'>ssh</span> <span class='hs-layout'>(</span><span class='hs-varid'>ssh_args</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>addr</span><span class='hs-layout'>,</span> <span class='hs-str'>"-S"</span><span class='hs-layout'>,</span> <span class='hs-varid'>cmPath</span><span class='hs-layout'>,</span> <span class='hs-str'>"-O"</span><span class='hs-layout'>,</span> <span class='hs-str'>"exit"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Null</span><span class='hs-layout'>,</span><span class='hs-conid'>Null</span><span class='hs-layout'>,</span><span class='hs-conid'>Null</span><span class='hs-layout'>)</span>
<a name="line-306"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-307"></a>
<a name="line-308"></a><a name="controlMasterPath"></a><span class='hs-comment'>-- | Create the directory ssh control master path for a given address</span>
<a name="line-309"></a><span class='hs-definition'>controlMasterPath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ remote path (foo\@bar.com:file is ok; the file part with be stripped)</span>
<a name="line-310"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>FilePath</span>
<a name="line-311"></a><span class='hs-definition'>controlMasterPath</span> <span class='hs-varid'>rawAddr</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-312"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>addr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span> <span class='hs-varid'>rawAddr</span>
<a name="line-313"></a> <span class='hs-varid'>tmp</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varop'>///</span> <span class='hs-str'>".darcs"</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getEnv</span> <span class='hs-str'>"HOME"</span><span class='hs-layout'>)</span> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>tempdir_loc</span>
<a name="line-314"></a><span class='hs-cpp'>#ifdef WIN32</span>
<a name="line-315"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>randomIO</span>
<a name="line-316"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>suffix</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>showHexLen</span> <span class='hs-num'>6</span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varop'>.&.</span> <span class='hs-num'>0xFFFFFF</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-317"></a><span class='hs-cpp'>#else</span>
<a name="line-318"></a> <span class='hs-varid'>suffix</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>show</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>getProcessID</span>
<a name="line-319"></a><span class='hs-cpp'>#endif</span>
<a name="line-320"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>tmpDarcsSsh</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tmp</span> <span class='hs-varop'>///</span> <span class='hs-str'>"darcs-ssh"</span>
<a name="line-321"></a> <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-conid'>True</span> <span class='hs-varid'>tmpDarcsSsh</span>
<a name="line-322"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tmpDarcsSsh</span> <span class='hs-varop'>///</span> <span class='hs-varid'>addr</span> <span class='hs-varop'>++</span> <span class='hs-varid'>suffix</span>
<a name="line-323"></a>
<a name="line-324"></a><a name="///"></a><span class='hs-layout'>(</span><span class='hs-varop'>///</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span>
<a name="line-325"></a><a name="d"></a><span class='hs-definition'>d</span> <span class='hs-varop'>///</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>d</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>f</span>
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