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#!/bin/sh
# Distributed under the terms of the GNU General Public License v2
# Copyright (c) 2006 Fernando J. Pereda <ferdy@gentoo.org>
# Copyright (c) 2008 Natanael Copa <natanael.copa@gmail.com>
# Copyright (c) 2010 Eric S. Raymond <esr@thyrsus.com>
#
# Git CIA bot in bash. (no, not the POSIX shell, bash).
# Originally based on Git ciabot.pl by Petr Baudis.
# This script contains porcelain and porcelain byproducts.
#
# It is meant to be run either on a post-commit hook or in an update
# hook:
#
# post-commit: It parses latest commit and current HEAD to get the
# information it needs.
#
# update: You have to call it once per merged commit:
#
# refname=$1
# oldhead=$2
# newhead=$3
# for merged in $(git rev-list ${oldhead}..${newhead} | tac) ; do
# /path/to/ciabot.bash ${refname} ${merged}
# done
#
#
# The project as known to CIA. You will want to change this.
#
project="GPSD"
#
# You may not need to change these:
#
# Name of the repository.
# You can hardwire this to make the script faster.
repo="`basename $GIT_DIR`"
# Fully qualified domain name of the repo host.
# You can hardwire this to make the script faster.
host=`hostname --fqdn`
# Changeset URL prefix for your repo: when the commit ID is appended
# to this, it should point at a CGI that will display the commit
# through gitweb or something similar. The default will probably
# work if you have a typical gitweb setup.
urlprefix="http://${host}/cgi-bin/gitweb.cgi?p=$repo;a=commit;h="
#
# You probably will not need to change the following:
#
# Addresses for the e-mail
from="${LOGNAME}@${host}"
to="cia@cia.vc"
# SMTP client to use - may need to edit the absolute pathname for your system
sendmail="/usr/sbin/sendmail -t -f ${from}"
#
# No user-serviceable parts below this line:
#
PATH="$PATH:`git --exec-path`"
if [ $# -eq 0 ] ; then
refname=$(git symbolic-ref HEAD 2>/dev/null)
merged=$(git rev-parse HEAD)
else
refname=$1
merged=$2
fi
# This tries to turn your gitwebbish URL into a tinyurl so it will take up
# less space on the IRC notification line. Some repo sites (I'm looking at
# you, berlios.de!) forbid wget calls for security reasons. On these,
# the code will fall back to the full un-tinyfied URL.
longurl=${urlprefix}${merged}
url=$(wget -O - -q http://tinyurl.com/api-create.php?url=${longurl} 2>/dev/null)
if [ -z "$url" ]; then
url="${longurl}"
fi
refname=${refname##refs/heads/}
gitver=$(git --version)
gitver=${gitver##* }
rev=$(git describe ${merged} 2>/dev/null)
# ${merged:0:12} is the only bashism left in this script,
# according to checkbashisms.
[ -z ${rev} ] && rev=${merged:0:12}
rawcommit=$(git cat-file commit ${merged})
author=$(echo "$rawcommit" | sed -n -e '/^author .*<\([^@]*\).*$/s--\1-p')
logmessage=$(echo "$rawcommit" | sed -e '1,/^$/d' | head -n 1)
logmessage=$(echo "$logmessage" | sed 's/\&/&\;/g; s/</<\;/g; s/>/>\;/g')
ts=$(echo "$rawcommit" | sed -n -e '/^author .*> \([0-9]\+\).*$/s--\1-p')
out="
<message>
<generator>
<name>CIA Shell client for Git</name>
<version>${gitver}</version>
<url>http://dev.alpinelinux.org/~ncopa/alpine/ciabot.sh</url>
</generator>
<source>
<project>${project}</project>
<branch>$repo:${refname}</branch>
</source>
<timestamp>${ts}</timestamp>
<body>
<commit>
<author>${author}</author>
<revision>${rev}</revision>
<files>
$(git diff-tree -r --name-only ${merged} |
sed -e '1d' -e 's-.*-<file>&</file>-')
</files>
<log>${logmessage} ${url}</log>
<url>${url}</url>
</commit>
</body>
</message>"
${sendmail} << EOM
Message-ID: <${merged:0:12}.${author}@${project}>
From: ${from}
To: ${to}
Content-type: text/xml
Subject: DeliverXML
${out}
EOM
# vim: set tw=70 :
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