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#!/bin/bash
# To install this script, copy it into .git/hooks/pre-push path in your
# local copy of git repository. Make sure it has permission to execute.
#
# This is git pre-push hook script to prevent "fixup!" and "squash!" commits
# from ending up in upstream branches (master, release-* or maint-*).
#
# The following sample script was used as starting point:
# https://github.com/git/git/blob/master/templates/hooks--pre-push.sample
z40=0000000000000000000000000000000000000000
CUR_BRANCH=$(git rev-parse --abbrev-ref HEAD)
if [ "$CUR_BRANCH" != "master" ] && [[ $CUR_BRANCH != release-* ]] &&
[[ $CUR_BRANCH != maint-* ]]
then
exit 0
fi
echo "Running pre-push hook"
# shellcheck disable=SC2034
while read -r local_ref local_sha remote_ref remote_sha
do
if [ "$local_sha" = $z40 ]
then
# Handle delete
:
else
if [ "$remote_sha" = $z40 ]
then
# New branch, examine all commits
range="$local_sha"
else
# Update to existing branch, examine new commits
range="$remote_sha..$local_sha"
fi
# Check for fixup! commit
commit=$(git rev-list -n 1 --grep '^fixup!' "$range")
if [ -n "$commit" ]
then
echo >&2 "Found fixup! commit in $local_ref, not pushing"
echo >&2 "If you really want to push this, use --no-verify."
exit 1
fi
# Check for squash! commit
commit=$(git rev-list -n 1 --grep '^squash!' "$range")
if [ -n "$commit" ]
then
echo >&2 "Found squash! commit in $local_ref, not pushing"
echo >&2 "If you really want to push this, use --no-verify."
exit 1
fi
fi
done
exit 0
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