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|
#!/bin/sh
#
# Copyright 2013 rsiddharth <rsiddharth@ninthfloor.org>
#
# 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/>.
#
# This program is based on the post-receive-email hook script in the
# contrib/hooks directory in the Git SCM's source.
#
# The post-receive-mail hook script is Copyright (c) 2007 Andy Parkins
#
# Config
# ------
# hooks.mailinglist
# This is the list that all pushes will go to; leave it blank to not send
# emails for every ref update.
# hooks.recipientlist
# Set the path to the file which contains a list of recipients (one
# recipient per line).
# hooks.envelopesender
# If set then the -f option is passed to sendmail to allow the envelope
# sender address to be set
# hooks.emailprefix
#
# All emails have their subjects prefixed with this prefix, or
# "[Mailing List Prefix]" if emailprefix is unset, to aid filtering
#
# Notes
# -----
# All emails include the headers "X-Git-Refname", "X-Git-Oldrev",
# "X-Git-Newrev", and "X-Git-Reftype" to enable fine tuned filtering and
# give information for debugging.
#
# ---------------------------- Functions
# Function to prepare for email generation. This whether an email
# should even be generated.
prep_for_email()
{
# --- Arguments
oldrev=$(git rev-parse $1)
newrev=$(git rev-parse $2)
refname="$3"
# --- Interpret
# 0000->1234 (create)
# 1234->2345 (update)
# 2345->0000 (delete)
if expr "$newrev" : '0*$' >/dev/null
then
# change_type is delete
# Don't have to send an email.
return 1
fi
# --- Get the revision type
newrev_type=$(git cat-file -t $newrev 2> /dev/null)
if [ $newrev_type = "commit" ]; then
if [ $refname = "refs/heads/master" ]; then
# iterate through all the new commits introduced by the
# git push
for rev in $(git rev-list $oldrev..$newrev)
do
commit_msg=$(git cat-file -p $rev | sed '1,/^$/d')
if expr "$commit_msg" : "^\[NEW POST\].*$" >/dev/null
then
# Send email.
return 0
fi
done
fi
fi
# Don't have to send email.
return 1
}
process_recipient_list()
{
# pick each recipient from list and send the email.
for recipient in $(cat $recipientlist)
do
generate_email $recipient | send_mail
done
}
generate_email()
{
recipient=$1
generate_email_header
generate_email_body
generate_email_footer
}
generate_email_header()
{
# strip off the [NEW POST] from the message:
commit_msg=$(echo "$commit_msg" | sed 's/\[NEW POST\]//g')
subject=$(echo "$commit_msg" | sed '1q')
# --- Email (all stdout will be the email)
# Generate header
cat <<-EOF
To: $recipient
Subject: ${emailprefix} $subject
X-Git-Refname: $refname
X-Git-Reftype: $refname_type
X-Git-Oldrev: $oldrev
X-Git-Newrev: $newrev
Auto-Submitted: auto-generated
EOF
}
generate_email_footer()
{
SPACE=" "
cat <<-EOF
--${SPACE}
${listfooter}
EOF
}
generate_email_body()
{
body=$(echo "$commit_msg" | sed '1,/^$/d')
echo "$body"
}
send_mail()
{
if [ -n "$envelopesender" ]; then
/usr/sbin/sendmail -t -f "$envelopesender"
else
/usr/sbin/sendmail -t
fi
}
# ---------------------------- main()
# --- Config
# Set GIT_DIR either from the working directory, or from the environment
# variable.
GIT_DIR=$(git rev-parse --git-dir 2>/dev/null)
if [ -z "$GIT_DIR" ]; then
echo >&2 "fatal: post-receive: GIT_DIR not set"
exit 1
fi
listfooter=$(sed -ne '1p' "$GIT_DIR/description" 2>/dev/null)
# Check if the description is unchanged from it's default, and shorten it to
# a more manageable length if it is
if expr "$listfooter" : "Unnamed repository.*$" >/dev/null
then
listfooter="Mailing list footer. To change modify .git/description at remote repo."
fi
recipients=$(git config hooks.mailinglist)
recipientlist=$(git config hooks.recipientlist)
envelopesender=$(git config hooks.envelopesender)
emailprefix=$(git config hooks.emailprefix || echo '[Mailing List Prefix]')
# --- Main loop
# Allow dual mode: run from the command line just like the update hook, or
# if no arguments are given then run as a hook script
if [ -n "$1" -a -n "$2" -a -n "$3" ]; then
# Output to the terminal in command line mode - if someone wanted to
# resend an email; they could redirect the output to sendmail
# themselves
prep_for_email $2 $3 $1 && PAGER= generate_email
else
while read oldrev newrev refname
do
prep_for_email $oldrev $newrev $refname || continue
if [ -n "$recipients" ]; then
# send to mailinglist.
generate_email $recipients | send_mail
fi
if [ -n "$recipientlist" ]; then
# send each email ID listed in recipient list file.
process_recipient_list
fi
done
fi
GIT_WORK_TREE=/absolute/path/to/the/website git checkout -f
|
