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#!/bin/bash
#
# Copyright (c) 2010-2011, Intel Corporation.
# All Rights Reserved
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
# This script is intended to be used to prepare a series of patches
# and a cover letter in an appropriate and consistent format for
# submission to Open Embedded and The Yocto Project, as well as to
# related projects and layers.
#
ODIR=pull-$$
RELATIVE_TO="master"
COMMIT_ID="HEAD"
PREFIX="PATCH"
RFC=0
usage() {
CMD=$(basename $0)
cat <<EOM
Usage: $CMD [-h] [-o output_dir] [-m msg_body_file] [-s subject] [-r relative_to] [-i commit_id] -u remote -b branch
-b branch Branch name in the specified remote
-c Create an RFC (Request for Comment) patch series
-h Display this help message
-i commit_id Ending commit (default: HEAD)
-m msg_body_file The file containing a blurb to be inserted into the summary email
-o output_dir Specify the output directory for the messages (default: pull-PID)
-p prefix Use [prefix N/M] instead of [PATCH N/M] as the subject prefix
-r relative_to Starting commit (default: master)
-s subject The subject to be inserted into the summary email
-u remote The git remote where the branch is located
Examples:
$CMD -u contrib -b nitin/basic
$CMD -u contrib -r distro/master -i nitin/distro -b nitin/distro
$CMD -u contrib -r master -i misc -b nitin/misc -o pull-misc
$CMD -u contrib -p "RFC PATCH" -b nitin/experimental
EOM
}
# Parse and validate arguments
while getopts "b:chi:m:o:p:r:s:u:" OPT; do
case $OPT in
b)
BRANCH="$OPTARG"
;;
c)
RFC=1
;;
h)
usage
exit 0
;;
i)
COMMIT_ID="$OPTARG"
;;
m)
BODY="$OPTARG"
if [ ! -e "$BODY" ]; then
echo "ERROR: Body file does not exist"
exit 1
fi
;;
o)
ODIR="$OPTARG"
;;
p)
PREFIX="$OPTARG"
;;
r)
RELATIVE_TO="$OPTARG"
;;
s)
SUBJECT="$OPTARG"
;;
u)
REMOTE="$OPTARG"
REMOTE_URL=$(git config remote.$REMOTE.url)
if [ $? -ne 0 ]; then
echo "ERROR: git config failed to find a url for '$REMOTE'"
exit 1
fi
# Rewrite private URLs to public URLs
# Determine the repository name for use in the WEB_URL later
case "$REMOTE_URL" in
*@*)
USER_RE="[A-Za-z0-9_.@][A-Za-z0-9_.@-]*\$\?"
PROTO_RE="[a-z][a-z]*://"
GIT_RE="\(^\($PROTO_RE\)\?$USER_RE@\)\([^:/]*\)[:/]\(.*\)"
REMOTE_URL=${REMOTE_URL%.git}
REMOTE_REPO=$(echo $REMOTE_URL | sed "s#$GIT_RE#\4#")
REMOTE_URL=$(echo $REMOTE_URL | sed "s#$GIT_RE#git://\3/\4#")
;;
*)
echo "WARNING: Unrecognized remote URL: $REMOTE_URL"
echo " The pull and browse URLs will likely be incorrect"
;;
esac
;;
esac
done
if [ -z "$BRANCH" ] || [ -z "$REMOTE_URL" ]; then
usage
exit 1
fi
if [ $RFC -eq 1 ]; then
PREFIX="RFC $PREFIX"
fi
# Set WEB_URL from known remotes
WEB_URL=""
case "$REMOTE_URL" in
*git.yoctoproject.org*)
WEB_URL="http://git.yoctoproject.org/cgit.cgi/$REMOTE_REPO/log/?h=$BRANCH"
;;
*git.pokylinux.org*)
WEB_URL="http://git.pokylinux.org/cgit.cgi/$REMOTE_REPO/log/?h=$BRANCH"
;;
*git.openembedded.org*)
WEB_URL="http://cgit.openembedded.org/cgit.cgi/$REMOTE_REPO/log/?h=$BRANCH"
;;
*github.com*)
WEB_URL="https://github.com/$REMOTE_REPO/tree/$BRANCH"
;;
esac
# Perform a sanity test on the web URL. Issue a warning if it is not
# accessible, but do not abort as users may want to run offline.
if [ -n "$WEB_URL" ]; then
wget --no-check-certificate -q $WEB_URL -O /dev/null
if [ $? -ne 0 ]; then
echo "WARNING: Branch '$BRANCH' was not found on the contrib git tree."
echo " Please check your remote and branch parameter before sending."
echo ""
fi
fi
if [ -e $ODIR ]; then
echo "ERROR: output directory $ODIR exists."
exit 1
fi
mkdir $ODIR
# Generate the patches and cover letter
git format-patch -M --subject-prefix="$PREFIX" -n -o $ODIR --thread=shallow --cover-letter $RELATIVE_TO..$COMMIT_ID > /dev/null
# Customize the cover letter
CL="$ODIR/0000-cover-letter.patch"
PM="$ODIR/pull-msg"
git request-pull $RELATIVE_TO $REMOTE_URL $COMMIT_ID >> "$PM"
if [ $? -ne 0 ]; then
echo "ERROR: git request-pull reported an error"
exit 1
fi
# The cover letter already has a diffstat, remove it from the pull-msg
# before inserting it.
sed -n "0,\#$REMOTE_URL# p" "$PM" | sed -i "/BLURB HERE/ r /dev/stdin" "$CL"
rm "$PM"
# If this is an RFC, make that clear in the cover letter
if [ $RFC -eq 1 ]; then
(cat <<EOM
Please review the following changes for suitability for inclusion. If you have
any objections or suggestions for improvement, please respond to the patches. If
you agree with the changes, please provide your Acked-by.
EOM
) | sed -i "/BLURB HERE/ r /dev/stdin" "$CL"
fi
# Insert the WEB_URL if there is one
if [ -n "$WEB_URL" ]; then
echo " $WEB_URL" | sed -i "\#$REMOTE_URL# r /dev/stdin" "$CL"
fi
# If the user specified a message body, insert it into the cover letter and
# remove the BLURB token.
if [ -n "$BODY" ]; then
sed -i "/BLURB HERE/ r $BODY" "$CL"
sed -i "/BLURB HERE/ d" "$CL"
fi
# If the user specified a subject, replace the SUBJECT token with it.
if [ -n "$SUBJECT" ]; then
sed -i -e "s/\*\*\* SUBJECT HERE \*\*\*/$SUBJECT/" "$CL"
fi
# Generate report for user
cat <<EOM
The following patches have been prepared:
$(for PATCH in $(ls $ODIR/*); do echo " $PATCH"; done)
Review their content, especially the summary mail:
$CL
When you are satisfied, you can send them with:
send-pull-request -a -p $ODIR
EOM
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