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path: root/.gitlab-ci-checkcommit.sh
blob: c1c524d661fe9b3d95d84a45d417bc45d3fe930c (plain)
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#! /usr/bin/env bash

echoerr() {
	printf "ERROR: %s\n" "$*" >&2
}

findtag() {
	local commit_body tag person
	commit_body=$1
	tag=$2
	person=$3

	# trim duplicate spaces from commit body and person
	match="$tag: $(echo $person | tr -s ' ')"

	if [ -z "$(echo "$commit_body" | tr -s ' ' | grep -i "$match")" ]; then
		echoerr "Tag is missing from commit body"
		echoerr ""
		echoerr "Looking for '"$match"' in: "
		echoerr "-----------------------------------------------------"
		echoerr "$commit_body"
		echoerr "-----------------------------------------------------"
		echoerr ""
		return 0
	fi

	return 1
}

git fetch https://gitlab.freedesktop.org/drm-hwcomposer/drm-hwcomposer.git

git log --pretty='%h' FETCH_HEAD..HEAD | while read h; do
	subject=$(git show -s --pretty='%s' "$h")
	if [[ $subject != drm_hwcomposer:* ]]; then
		echoerr "Invalid subject prefix: $subject"
		exit 1
	fi

	commit_body=$(git show -s --pretty=%b "$h")

	author=$(git show -s --format='%an <%ae>' "$h")
	if findtag "$commit_body" "Signed-off-by" "$author"; then
		echoerr "Author SoB tag is missing from commit $h"
		exit 1
	fi

	committer=$(git show -s --format='%cn <%ce>' "$h")
	if findtag "$commit_body" "Signed-off-by" "$committer"; then
		echoerr "Committer SoB tag is missing from commit $h"
		exit 1
	fi

	git show "$h" -- | clang-format-diff-5.0 -p 1 -style=file > format-fixup.patch
	if [ -s  format-fixup.patch ]; then
		cat format-fixup.patch >&2
		exit 1
	fi
done