Git_Publish_To_Shared_Server.sh

#!/bin/bash

# ========== Your Server Config ==========
# your SSH credentials ...
SSH_User="user"
SSH_Host="server.com"

# directory where the tar.gz file will be uploaded then extracted from.
# recommened it be root directory so when you untar it falls nicely into place...
WWW_Dir="html/"

# the branch you would like to perform a git push from & perform the git log from.
# will be performed as:  git push 'origin master'
Git_Branch=""


# ========= all your base are belong to us ========
Git_Root=$(readlink -f ./$(git rev-parse --show-cdup))
F_tar="publish_latest.tar"
F_gzip="$F_tar.gz"

counter=0

cd $Git_Root

Git_Clean=$(git status | grep -q "working directory clean" && echo "Y" || echo "N")

[ "$Git_Clean" = "N" ] && echo "\n* WARNING * ... you must 'git commit -a' all your changes first before updated the server.\n"  && exit 0

echo
echo "Checking for LATEST files commited ONLY since last push ..."
echo 

[ -f "$Git_Root/$F_gzip" ] && echo > $Git_Root/$F_gzip

for FILE in `git log origin/master..HEAD --name-only --diff-filter=ACM --pretty="%d" | sed '/^$/d' | awk '!x[$0]++'`
do
	[ -f $FILE ] && tar -uvf $Git_Root/$F_tar $FILE && counter=`expr $counter + 1`
done

if [ "$counter" -gt "0" ]
then
	gzip -f $Git_Root/$F_tar

	echo
	echo "copying to remote server ($SSH_Host) ..."
	echo 
	scp $Git_Root/$F_gzip $SSH_User@$SSH_Host:$WWW_Dir

	echo
	echo "untarring archive on remote server and updating files ... finally will remove tar from remote..."
	echo 
	ssh $SSH_User@$SSH_Host "cd $WWW_Dir && tar xvfz $F_gzip && rm -rf $F_gzip"

	echo
	echo "removing local archive copy..."
	rm -f $Git_Root/$F_gzip

	echo
	echo -n "---- Want to Git Push changes to remote repo (Y or N): "
	read PUSH

	[ "$PUSH" = "Y" ] || [ "$PUSH" = "y" ] && git push $Git_Branch

	echo
	echo "done updating $SSH_Host server. check it out ..."
else
	echo 
	echo "Already up-to-date."
fi

echo 
echo "Go on code monkey, keep on innovating :)"
echo