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utils: hooks: pre-push: Check push to integration/* branches

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Branches named integration/* are candidates for merge in the master
branch. Subject them to the same checks in the pre-push git hook.

An important difference between integration branches and the master
branch is that the former are typically created as new branches. We
can't check the whole history as there are known bad commits, so we have
to identify the base commit for the integration branch. The best
approximation is to use the remote master branch for the tree being
pushed to.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2021-10-18 08:42:55 +03:00
parent 78e94065fc
commit 40d9947781
1 changed files with 30 additions and 10 deletions
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40
utils/hooks/pre-push
View file

@ -2,9 +2,9 @@
# SPDX-License-Identifier: GPL-2.0-or-later
# A hook script to prevent pushing unsuitable commits to the master branch.
# Unsuitable commits are commits that contain a local changelog below a '---'
# line. The criteria may get extended later.
# A hook script to prevent pushing unsuitable commits to the master or
# integration branches. Criteria to determine unsuitable commits are listed
# below.
#
# Information about the commits which are being pushed is supplied as lines to
# the standard input in the form:
@ -13,22 +13,42 @@
z40=0000000000000000000000000000000000000000
remote_name="$1"
remote_url="$2"
while read -r local_ref local_sha remote_ref remote_sha
do
if [ "$remote_ref" != refs/heads/master ]
case "$remote_ref" in
refs/heads/master)
;;
refs/heads/integration/*)
;;
*)
continue
esac
# If the remote branch gets deleted, there's nothing to check.
if [ "$local_sha" = $z40 ]
then
continue
fi
# The remote master branch should never get deleted by this push, so we
# can assume that local_sha is not 0's. We may however be creating the
# remote branch, when pushing to a new empty repository for instance.
# Check if we are creating a new branch or updating an existing one.
if [ "$remote_sha" = $z40 ]
then
# New branch, examine all commits
range="$local_sha"
if [ "$remote_ref" = "refs/heads/master" ]
then
# There are known invalid commits in the full history,
# skip the checks if we are pushing the master branch
# (for instance to an empty repository).
continue
else
# Update to existing branch, examine new commits
# We're pushing a new integration branch, check all
# commits on top of the master branch.
range="remotes/$remote_name/master..$local_sha"
fi
else
# Update to existing branch, examine new commits only.
range="$remote_sha..$local_sha"
fi