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#!/bin/bash
# Finds commits with a review tag ("R=foo@example.com") and adds them as
# gerrit reviewer.
#
# Author: Peter Wu <lekensteyn@gmail.com>
# http://stackoverflow.com/q/24576855/427545
#
# Requirements: git, awk, ssh, bash
cd "$(git rev-parse --show-toplevel)"
user=
host=
port=29418
project=
# Load host from gitreview file if any
[ ! -f .gitreview ] ||
eval $(awk -F= '
$1 == "host" && $2 ~ /^[a-zA-Z0-9][a-zA-Z0-9.-]*$/ { print "host=" $2 }
$1 == "port" && $2 ~ /^[0-9]{1,5}$/ { print "port=" $2 }
$1 == "project" && $2 ~ /^[a-zA-Z0-9._][a-zA-Z0-9._-]*$/ { print "project=" $2 }
' .gitreview)
# Load settings from git config
eval $(git remote -v show -n |
awk -vorighost=$host '/fetch\)$/ && $2 ~ /^ssh:/ {
split($2, url, /[/:@]+/);
# Apply settings on first result, or if the host matches
if (!got_one || orighost == url[3]) {
if (url[2] ~ /^[a-zA-Z0-9][a-zA-Z0-9.-]*$/)
print "user=" url[2];
if (url[3] ~ /^[a-zA-Z0-9][a-zA-Z0-9.-]*$/)
print "host=" url[3];
if (url[4] ~ /^[0-9]{1,5}$/)
print "port=" url[4];
got_one = 1;
}
}')
find_reviewers() {
local commit=$1
git show --no-patch --format=%b "$commit" |
awk -F= '/^R=[a-zA-Z0-9@._+-]+$/ { print $2 }'
}
set_reviewer() {
local cmd reviewer
local commit=$1 # Commit or Change-Id
shift # Remaining arguments: reviewers
# https://review.openstack.org/Documentation/cmd-set-reviewers.html
cmd='gerrit set-reviewers'
[ -z "$project" ] || cmd="$cmd --project $project"
for reviewer; do
cmd="$cmd -a $reviewer"
done
cmd="$cmd -- $commit"
echo "$cmd" >&2
ssh -p $port "$user@$host" "$cmd"
}
check_commits() {
local revlist=$1 commits count=0 retval=0
# One is not going to push that many commits/reviews at a time...
commits="$(git rev-list --reverse --max-count=100 $revlist --)" || return 1
if [ -z "$commits" ]; then
echo "No commits found" >&2
return 1
fi
for commit in $commits; do
reviewers=$(find_reviewers $commit)
if [ -n "$reviewers" ]; then
echo "Adding reviewers for $commit..." >&2
if ! set_reviewer $commit $reviewers; then
echo >&2
echo "Run 'git review' if you get a 'no such change' error" >&2
retval=1
break
fi
((count++))
fi
done
printf 'Touched %d commits' $count >&2
if [ $retval -eq 0 ]; then
echo . >&2
else
echo ", but stopped due to an error" >&2
fi
return $retval
}
if [ -z "$user" ] || [ -z "$host" ]; then
echo "Warning: gerrit is not configured" >&2
exit 1
fi
case ${0##*/} in
post-review)
# TODO
# maybe read https://review.openstack.org/Documentation/cmd-query.html
# if pre:
# create temp file with possibly unprocessed commits
echo "$0: Not implemented" >&2
;;
pre-review)
# TODO
# elif post:
# read temp file
# for each reviewer in temp file:
# ssh user@host -p port 'gerrit command to set reviewer'
echo "$0: Not implemented" >&2
;;
*)
if [[ $1 == *..* ]]; then
check_commits "$1"
else
echo "Usage: $0 <revlist>" >&2
echo "To review changes on this branch since master: $0 master.." >&2
exit 1
fi
;;
esac
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