t7509-commit-authorship.sh

#!/bin/sh
#
# Copyright (c) 2009 Erick Mattos
#

test_description='commit tests of various authorhip options. '

. ./test-lib.sh

author_header () {
	git cat-file commit "$1" |
	sed -n -e '/^$/q' -e '/^author /p'
}

committer_header () {
	git cat-file commit "$1" |
	sed -n -e '/^$/q' -e '/^committer /p'
}

message_body () {
	git cat-file commit "$1" |
	sed -e '1,/^$/d'
}

test_expect_success '-C option copies authorship and message' '
	test_env GIT_COMMITTER_NAME="Frigate" \
		GIT_COMMITTER_EMAIL="flying@over.world" \
		test_commit --author Frigate\ \<flying@over.world\> \
		"Initial Commit" foo Initial Initial &&
	echo "Test 1" >>foo &&
	test_tick &&
	git commit -a -C Initial &&
	author_header Initial >expect &&
	author_header HEAD >actual &&
	test_cmp expect actual &&

	message_body Initial >expect &&
	message_body HEAD >actual &&
	test_cmp expect actual
'

test_expect_success '-C option copies only the message with --reset-author' '
	echo "Test 2" >>foo &&
	test_tick &&
	git commit -a -C Initial --reset-author &&
	echo "author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE" >expect &&
	author_header HEAD >actual &&
	test_cmp expect actual &&

	message_body Initial >expect &&
	message_body HEAD >actual &&
	test_cmp expect actual
'

test_expect_success '-c option copies authorship and message' '
	echo "Test 3" >>foo &&
	test_tick &&
	EDITOR=: VISUAL=: git commit -a -c Initial &&
	author_header Initial >expect &&
	author_header HEAD >actual &&
	test_cmp expect actual
'

test_expect_success '-c option copies only the message with --reset-author' '
	echo "Test 4" >>foo &&
	test_tick &&
	EDITOR=: VISUAL=: git commit -a -c Initial --reset-author &&
	echo "author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE" >expect &&
	author_header HEAD >actual &&
	test_cmp expect actual &&

	message_body Initial >expect &&
	message_body HEAD >actual &&
	test_cmp expect actual
'

test_expect_success '--amend option copies authorship' '
	git checkout Initial &&
	echo "Test 5" >>foo &&
	test_tick &&
	git commit -a --amend -m "amend test" &&
	author_header Initial >expect &&
	author_header HEAD >actual &&
	test_cmp expect actual &&

	echo "amend test" >expect &&
	message_body HEAD >actual &&
	test_cmp expect actual
'

sha1_file() {
	echo "$*" | sed "s#..#.git/objects/&/#"
}
remove_object() {
	rm -f $(sha1_file "$*")
}

test_expect_success '--amend option with empty author' '
	git cat-file commit Initial >tmp &&
	sed "s/author [^<]* </author  </" tmp >empty-author &&
	sha=$(git hash-object -t commit -w empty-author) &&
	test_when_finished "remove_object $sha" &&
	git checkout $sha &&
	test_when_finished "git checkout Initial" &&
	echo "Empty author test" >>foo &&
	test_tick &&
	test_must_fail git commit -a -m "empty author" --amend 2>err &&
	test_grep "empty ident" err
'

test_expect_success '--amend option with missing author' '
	git cat-file commit Initial >tmp &&
	sed "s/author [^<]* </author </" tmp >malformed &&
	sha=$(git hash-object --literally -t commit -w malformed) &&
	test_when_finished "remove_object $sha" &&
	git checkout $sha &&
	test_when_finished "git checkout Initial" &&
	echo "Missing author test" >>foo &&
	test_tick &&
	test_must_fail git commit -a -m "malformed author" --amend 2>err &&
	test_grep "empty ident" err
'

test_expect_success '--reset-author makes the commit ours even with --amend option' '
	git checkout Initial &&
	echo "Test 6" >>foo &&
	test_tick &&
	git commit -a --reset-author -m "Changed again" --amend &&
	echo "author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE" >expect &&
	author_header HEAD >actual &&
	test_cmp expect actual &&

	echo "Changed again" >expect &&
	message_body HEAD >actual &&
	test_cmp expect actual
'

test_expect_success '--reset-author and --author are mutually exclusive' '
	git checkout Initial &&
	echo "Test 7" >>foo &&
	test_tick &&
	test_must_fail git commit -a --reset-author --author="Xyzzy <frotz@nitfol.xz>"
'

test_expect_success '--reset-author should be rejected without -c/-C/--amend' '
	git checkout Initial &&
	echo "Test 7" >>foo &&
	test_tick &&
	test_must_fail git commit -a --reset-author -m done
'

test_expect_success 'commit respects CHERRY_PICK_HEAD and MERGE_MSG' '
	echo "cherry-pick 1a" >>foo &&
	test_tick &&
	git commit -am "cherry-pick 1" --author="Cherry <cherry@pick.er>" &&
	git tag cherry-pick-head &&
	git update-ref CHERRY_PICK_HEAD $(git rev-parse cherry-pick-head) &&
	echo "This is a MERGE_MSG" >.git/MERGE_MSG &&
	echo "cherry-pick 1b" >>foo &&
	test_tick &&
	git commit -a &&
	author_header cherry-pick-head >expect &&
	author_header HEAD >actual &&
	test_cmp expect actual &&

	echo "This is a MERGE_MSG" >expect &&
	message_body HEAD >actual &&
	test_cmp expect actual
'

test_expect_success '--reset-author with CHERRY_PICK_HEAD' '
	git update-ref CHERRY_PICK_HEAD $(git rev-parse cherry-pick-head) &&
	echo "cherry-pick 2" >>foo &&
	test_tick &&
	git commit -am "cherry-pick 2" --reset-author &&
	echo "author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE" >expect &&
	author_header HEAD >actual &&
	test_cmp expect actual
'

test_expect_success '--committer option overrides committer' '
	git checkout Initial &&
	echo "Test --committer" >>foo &&
	test_tick &&
	git commit -a -m "test committer" --committer="Custom Committer <custom@committer.example>" &&
	committer_header HEAD >actual &&
	grep "Custom Committer <custom@committer.example>" actual
'

test_expect_success '--committer with pattern search' '
	echo "Test committer pattern" >>foo &&
	test_tick &&
	git commit -a -m "test committer pattern" --committer="Frigate" &&
	committer_header HEAD >actual &&
	grep "Frigate <flying@over.world>" actual
'

test_expect_success '--committer malformed parameter' '
	echo "Test malformed" >>foo &&
	test_tick &&
	test_must_fail git commit -a -m "test malformed" --committer="malformed committer"
'

test_expect_success '--committer with --amend option' '
	git checkout -f Initial &&
	echo "Test committer with amend" >>foo &&
	test_tick &&
	git commit -a -m "initial commit for amend test" &&
	echo "Modified for amend" >>foo &&
	test_tick &&
	git commit -a --amend --no-edit \
		--author="Test Author <test@author.example>" \
		--committer="Test Committer <test@committer.example>" &&
	author_header HEAD >actual_author &&
	grep "Test Author <test@author.example>" actual_author &&
	committer_header HEAD >actual_committer &&
	grep "Test Committer <test@committer.example>" actual_committer
'

test_expect_success 'GIT_COMMITTER_* environment variables' '
	git checkout -f Initial &&
	echo "Test env vars" >>foo &&
	test_tick &&
	test_env GIT_COMMITTER_NAME="Env Committer" \
		GIT_COMMITTER_EMAIL="env@test.example" \
		git commit -a -m "test committer env vars" &&
	committer_header HEAD >actual &&
	grep "Env Committer <env@test.example>" actual
'

test_expect_success '--committer overrides GIT_COMMITTER_* environment variables' '
	echo "Test override" >>foo &&
	test_tick &&
	test_env GIT_COMMITTER_NAME="Env Committer" \
		GIT_COMMITTER_EMAIL="env@test.example" \
		git commit -a -m "test override" \
		--committer="Override Committer <override@test.example>" &&
	committer_header HEAD >actual &&
	grep "Override Committer <override@test.example>" actual
'

test_expect_success '--date with --committer changes both author and committer dates' '
	git checkout -f Initial &&
	echo "Test date override" >>foo &&
	test_tick &&
	git commit -a -m "test date" \
		--author="Date Author <date@author.example>" \
		--committer="Date Committer <date@committer.example>" \
		--date="2024-06-15 10:30:00 +0800" &&
	git log -1 --format="%ai" >author_date &&
	git log -1 --format="%ci" >committer_date &&
	grep "2024-06-15 10:30:00 +0800" author_date &&
	grep "2024-06-15 10:30:00 +0800" committer_date
'

test_done