pre-receive

#!/bin/bash

# git hook to call dns conversion utility in check mode before accepting a push - 
#   if the check fails, this repo rejects being pushed to
# source: http://codeutopia.net/blog/2011/06/30/how-to-automatically-run-unit-tests-from-a-git-push/

tmpdir=$(mktemp -d)
parentdir=$(dirname $(readlink -f $0))
source "$parentdir/hookconfig"

while read oldrev newrev refname
do
    # Only run this script for the master branch. You can remove this 
    # if block if you wish to run it for others as well.
    if [[ $refname = "refs/heads/master" ]] ; then

        # Since the repo is bare, we need to put the actual files someplace, 
        # so we use the temp dir we chose earlier
        git archive $newrev | tar -x -C "$tmpdir"

        # Anything echo'd will show up in the console for the person 
        # who's doing a push
        echo "Checking validity for $newrev ... "

        $dnsconvert_bin --check-only "$tmpdir/$dnsinput" $dnsoutput

        rc=$?

        rm -rf "$tmpdir"

        if [[ $rc != 0 ]] ; then
            echo "Failed, push denied."
            exit $rc
        fi
    fi
done

# Everything went OK so we can exit with a zero
exit 0