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#!/bin/bash
# Patchwork - automated patch tracking system
# Copyright (C) 2010 martin f. krafft <madduck@madduck.net>
#
# SPDX-License-Identifier: GPL-2.0-or-later
# Git post-receive hook to update Patchwork patches after Git pushes
set -eu
PW_DIR=/opt/patchwork/patchwork
#TODO: the state map should really live in the repo's git-config
STATE_MAP="refs/heads/master:Accepted"
# ignore all commits already present in these refs
# e.g.,
# EXCLUDE="refs/heads/upstream refs/heads/other-project"
EXCLUDE=""
do_exit=0
trap "do_exit=1" INT
get_patchwork_hash() {
local hash
hash=$(git diff "$1~..$1" | python $PW_DIR/hasher.py)
echo "$hash"
test -n "$hash"
}
get_patch_id() {
local id
id=$(pwclient info -h "$1" 2>/dev/null | \
sed -rne 's,- id[[:space:]]*: ,,p')
echo "$id"
test -n "$id"
}
set_patch_state() {
pwclient update -s "$2" -c "$3" "$1" 2>&1
}
update_patches() {
local cnt; cnt=0
for rev in $(git rev-parse --not ${EXCLUDE} |
git rev-list --stdin --no-merges --reverse "${1}".."${2}"); do
if [ "$do_exit" = 1 ]; then
echo "I: exiting..." >&2
break
fi
hash=$(get_patchwork_hash "$rev")
if [ -z "$hash" ]; then
echo "E: failed to hash rev $rev." >&2
continue
fi
id=$(get_patch_id "$hash" || true)
if [ -z "$id" ]; then
echo "E: failed to find patch for rev $rev." >&2
continue
fi
reason="$(set_patch_state "$id" "$3" "$rev")"
if [ -n "$reason" ]; then
echo "E: failed to update patch #$id${reason:+: $reason}." >&2
continue
fi
echo "I: patch #$id updated using rev $rev." >&2
cnt=$((cnt + 1))
done
echo "I: $cnt patch(es) updated to state $3." >&2
}
while read -r oldrev newrev refname; do
found=0
for i in $STATE_MAP; do
key="${i%:*}"
if [ "$key" = "$refname" ]; then
update_patches "$oldrev" "$newrev" ${i#*:}
found=1
break
fi
done
if [ $found -eq 0 ]; then
echo "E: STATE_MAP has no mapping for branch $refname" >&2
fi
done
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