#!/bin/bash
# mk-tar-git-rev
########################
# This script will clone or update git master
# and create a tarball using the specified githash.
# Run this in SOURCES:  $ ./mk-tar-git-rev
# ######################

name="phototonic"
url="https://github.com/oferkv/phototonic.git"

# Update or clone git
echo "Please wait - this may take some time ..."
if [[ -d $name ]]; then
cd $name
git pull
cd ..
else
git clone "$url" $name
fi

# Get version, revision and githash from git
gitdesc() {
desc=$(git describe $1)
ver=$(echo $desc | cut -d- -f1 | sed 's/v//')
rev=$(echo $desc | cut -d- -f2)
hash=$(echo $desc | cut -d- -f3 | sed 's/g//')
#cd ..
}

cd $name
echo "####################################"
git log --oneline|head -n10
echo "####################################"
gitdesc
echo "Current HEAD is at $desc"
hash=$(git log --oneline|head -n1|cut -d' ' -f1)
read -e -i "$hash" -p "Enter the git hash to use: " hash

git checkout $hash
gitdesc $hash
cd ..

rm -rf $name-$ver.$rev
mv $name $name-$ver.$rev

tar --exclude=.git -czf "$name-$ver.$rev.tar.gz" $name-$ver.$rev/ && \
echo "#####################################" && \
echo "Written $name-$ver.$rev.tar.gz" && \
echo "#####################################"

mv $name-$ver.$rev $name
cd $name
git checkout master
cd ..