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Anonymous committed c142465 Merge

Merge branch 'em/commit-claim'

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  • Parent commits d268cb9, c51f6ce

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Files changed (3)

Documentation/git-commit.txt

 --------
 [verse]
 'git commit' [-a | --interactive] [-s] [-v] [-u<mode>] [--amend] [--dry-run]
-	   [(-c | -C) <commit>] [-F <file> | -m <msg>]
+	   [(-c | -C) <commit>] [-F <file> | -m <msg>] [--reset-author]
 	   [--allow-empty] [--no-verify] [-e] [--author=<author>]
 	   [--cleanup=<mode>] [--] [[-i | -o ]<file>...]
 
 	Like '-C', but with '-c' the editor is invoked, so that
 	the user can further edit the commit message.
 
+--reset-author::
+	When used with -C/-c/--amend options, declare that the
+	authorship of the resulting commit now belongs of the committer.
+	This also renews the author timestamp.
+
 -F <file>::
 --file=<file>::
 	Take the commit message from the given file.  Use '-' to
 static char *edit_message, *use_message;
 static char *author_name, *author_email, *author_date;
 static int all, edit_flag, also, interactive, only, amend, signoff;
-static int quiet, verbose, no_verify, allow_empty, dry_run;
+static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
 static char *untracked_files_arg;
 /*
  * The default commit message cleanup mode will remove the lines
 	OPT_FILENAME('F', "file", &logfile, "read log from file"),
 	OPT_STRING(0, "author", &force_author, "AUTHOR", "override author for commit"),
 	OPT_CALLBACK('m', "message", &message, "MESSAGE", "specify commit message", opt_parse_m),
-	OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit "),
+	OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit"),
 	OPT_STRING('C', "reuse-message", &use_message, "COMMIT", "reuse message from specified commit"),
+	OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C-c/--amend)"),
 	OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
 	OPT_FILENAME('t', "template", &template_file, "use specified template file"),
 	OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"),
 	email = getenv("GIT_AUTHOR_EMAIL");
 	date = getenv("GIT_AUTHOR_DATE");
 
-	if (use_message) {
+	if (use_message && !renew_authorship) {
 		const char *a, *lb, *rb, *eol;
 
 		a = strstr(use_message_buffer, "\nauthor ");
 	if (force_author && !strchr(force_author, '>'))
 		force_author = find_author_by_nickname(force_author);
 
+	if (force_author && renew_authorship)
+		die("Using both --reset-author and --author does not make sense");
+
 	if (logfile || message.len || use_message)
 		use_editor = 0;
 	if (edit_flag)
 		use_message = edit_message;
 	if (amend && !use_message)
 		use_message = "HEAD";
+	if (!use_message && renew_authorship)
+		die("--reset-author can be used only with -C, -c or --amend.");
 	if (use_message) {
 		unsigned char sha1[20];
 		static char utf8[] = "UTF-8";

t/t7509-commit.sh

+#!/bin/sh
+#
+# Copyright (c) 2009 Erick Mattos
+#
+
+test_description='git commit --reset-author'
+
+. ./test-lib.sh
+
+author_header () {
+	git cat-file commit "$1" |
+	sed -n -e '/^$/q' -e '/^author /p'
+}
+
+message_body () {
+	git cat-file commit "$1" |
+	sed -e '1,/^$/d'
+}
+
+test_expect_success '-C option copies authorship and message' '
+	echo "Initial" >foo &&
+	git add foo &&
+	test_tick &&
+	git commit -m "Initial Commit" --author Frigate\ \<flying@over.world\> &&
+	git tag 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 &&
+
+	echo "amend test" >expect &&
+	message_body HEAD >actual &&
+	test_cmp expect actual
+'
+
+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_done