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#!/bin/sh
#
# Copyright (c) 2009 Nagios Plugins Development Team
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -e
set -u
prefix='/home/git'
PATH="$prefix/opt/git/bin:/bin:/usr/bin"
export PATH
gitnotify="$prefix/libexec/git-notify"
recipient='Nagios Plugins Commit List <nagiosplug-checkins@lists.sourceforge.net>'
maxcommits=100
maxdiffsize=$((300 * 1024))
gitweburl='http://repo.or.cz/w'
tempprefix='/dev/shm'
fourtyzeros=$(printf '%.40u' 0)
myself=${0##*/}
checkrefs()
{
turn=$1
git show-ref | while read object ref
do
refdir="$tempdir/${ref%/*}"
reffile="$tempdir/$ref"
if [ $turn -eq 2 -a -f "$reffile" ] \
&& grep "^1 $object$" "$reffile" >'/dev/null'
then # The ref has not been modified.
rm -f "$reffile"
else
mkdir -p "$refdir"
echo "$turn $object" >>"$reffile"
fi
done
}
if [ $# -lt 1 ]
then
echo >&2 "Usage: $myself <repository> ..."
exit 1
fi
tempdir=$(mktemp -d "$tempprefix/$myself.XXXXXX")
tempfile=$(mktemp "$tempprefix/$myself.XXXXXX")
trap 'rm -rf "$tempdir" "$tempfile"' EXIT
for repository in "$@"
do
cd "$repository"
checkrefs 1
if ! git remote update --prune >"$tempfile" 2>&1
then
cat >&2 "$tempfile"
exit 1
fi
git fetch --quiet --tags
checkrefs 2
find "$tempdir" -type 'f' -print | sed 's!^\./!!' | while read reffile
do
ref=${reffile#$tempdir/}
old=$(awk '$1 == "1" { print $2; exit }' "$reffile")
new=$(awk '$1 == "2" { print $2; exit }' "$reffile")
old=${old:-$fourtyzeros}
new=${new:-$fourtyzeros}
echo "$old" "$new" "$ref"
done | $gitnotify \
-m "$recipient" \
-n "$maxcommits" \
-s "$maxdiffsize" \
-u "$gitweburl"
cd "$OLDPWD"
done
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