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builtin-notes: Add -c/-C options for reusing notes
Inspired by the -c/-C options to "git commit", we teach these options to "git notes add/append" to allow reuse of note objects. With this patch in place, it is now easy to copy or move notes between objects. For example, to copy object A's notes to object B: git notes add [-f] -C $(git notes list A) B To move instead of copying, you simply remove the notes from the source object afterwards, e.g.: git notes remove A The patch includes tests verifying correct behaviour of the new functionality. Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johan Herland
Junio C Hamano
parent
348f199b2d
commit
0691cff7dc
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@ -9,8 +9,8 @@ SYNOPSIS
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--------
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[verse]
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'git notes' [list [<object>]]
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'git notes' add [-f] [-F <file> | -m <msg>] [<object>]
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'git notes' append [-F <file> | -m <msg>] [<object>]
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'git notes' add [-f] [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
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'git notes' append [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
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'git notes' edit [<object>]
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'git notes' show [<object>]
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'git notes' remove [<object>]
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@ -84,6 +84,14 @@ OPTIONS
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Take the note message from the given file. Use '-' to
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read the note message from the standard input.
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-C <object>::
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--reuse-message=<object>::
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Reuse the note message from the given note object.
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-c <object>::
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--reedit-message=<object>::
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Like '-C', but with '-c' the editor is invoked, so that
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the user can further edit the note message.
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Author
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------
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@ -19,8 +19,8 @@
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static const char * const git_notes_usage[] = {
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"git notes [list [<object>]]",
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"git notes add [-f] [-m <msg> | -F <file>] [<object>]",
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"git notes append [-m <msg> | -F <file>] [<object>]",
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"git notes add [-f] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]",
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"git notes append [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]",
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"git notes edit [<object>]",
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"git notes show [<object>]",
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"git notes remove [<object>]",
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@ -36,6 +36,7 @@ static const char note_template[] =
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struct msg_arg {
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int given;
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int use_editor;
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struct strbuf buf;
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};
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@ -104,7 +105,7 @@ static void create_note(const unsigned char *object, struct msg_arg *msg,
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{
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char *path = NULL;
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if (!msg->given) {
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if (msg->use_editor || !msg->given) {
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int fd;
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/* write the template message before editing: */
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@ -113,13 +114,16 @@ static void create_note(const unsigned char *object, struct msg_arg *msg,
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if (fd < 0)
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die_errno("could not create file '%s'", path);
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if (prev && !append_only)
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if (msg->given)
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write_or_die(fd, msg->buf.buf, msg->buf.len);
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else if (prev && !append_only)
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write_note_data(fd, prev);
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write_or_die(fd, note_template, strlen(note_template));
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write_commented_object(fd, object);
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close(fd);
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strbuf_reset(&(msg->buf));
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if (launch_editor(path, &(msg->buf), NULL)) {
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die("Please supply the note contents using either -m" \
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@ -199,6 +203,40 @@ static int parse_file_arg(const struct option *opt, const char *arg, int unset)
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return 0;
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}
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static int parse_reuse_arg(const struct option *opt, const char *arg, int unset)
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{
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struct msg_arg *msg = opt->value;
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char *buf;
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unsigned char object[20];
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enum object_type type;
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unsigned long len;
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if (!arg)
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return -1;
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if (msg->buf.len)
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strbuf_addstr(&(msg->buf), "\n");
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if (get_sha1(arg, object))
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die("Failed to resolve '%s' as a valid ref.", arg);
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if (!(buf = read_sha1_file(object, &type, &len)) || !len) {
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free(buf);
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die("Failed to read object '%s'.", arg);;
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}
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strbuf_add(&(msg->buf), buf, len);
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free(buf);
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msg->given = 1;
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return 0;
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}
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static int parse_reedit_arg(const struct option *opt, const char *arg, int unset)
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{
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struct msg_arg *msg = opt->value;
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msg->use_editor = 1;
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return parse_reuse_arg(opt, arg, unset);
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}
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int commit_notes(struct notes_tree *t, const char *msg)
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{
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struct commit_list *parent;
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@ -250,13 +288,17 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
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int list = 0, add = 0, append = 0, edit = 0, show = 0, remove = 0,
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prune = 0, force = 0;
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int given_object;
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struct msg_arg msg = { 0, STRBUF_INIT };
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struct msg_arg msg = { 0, 0, STRBUF_INIT };
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struct option options[] = {
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OPT_GROUP("Notes options"),
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OPT_CALLBACK('m', "message", &msg, "MSG",
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"note contents as a string", parse_msg_arg),
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OPT_CALLBACK('F', "file", &msg, "FILE",
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"note contents in a file", parse_file_arg),
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OPT_CALLBACK('c', "reedit-message", &msg, "OBJECT",
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"reuse and edit specified note object", parse_reedit_arg),
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OPT_CALLBACK('C', "reuse-message", &msg, "OBJECT",
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"reuse specified note object", parse_reuse_arg),
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OPT_BOOLEAN('f', "force", &force, "replace existing notes"),
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OPT_END()
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};
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@ -286,17 +328,17 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
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usage_with_options(git_notes_usage, options);
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if (msg.given && !(add || append || edit)) {
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error("cannot use -m/-F options with %s subcommand.", argv[0]);
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error("cannot use -m/-F/-c/-C options with %s subcommand.",
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argv[0]);
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usage_with_options(git_notes_usage, options);
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}
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if (msg.given && edit) {
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fprintf(stderr, "The -m and -F options has been deprecated for"
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" the 'edit' subcommand.\n"
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"Please use 'git notes add -f -m/-F' instead.\n");
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fprintf(stderr, "The -m/-F/-c/-C options have been deprecated "
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"for the 'edit' subcommand.\n"
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"Please use 'git notes add -f -m/-F/-c/-C' instead.\n");
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}
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if (force && !add) {
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error("cannot use -f option with %s subcommand.", argv[0]);
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usage_with_options(git_notes_usage, options);
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@ -359,6 +401,7 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
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if (remove) {
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msg.given = 1;
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msg.use_editor = 0;
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strbuf_reset(&(msg.buf));
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}
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116
t/t3301-notes.sh
116
t/t3301-notes.sh
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@ -465,4 +465,120 @@ test_expect_success 'Allow notes on non-commits (trees, blobs, tags)' '
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test_cmp expect actual
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'
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cat > expect << EOF
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commit 2ede89468182a62d0bde2583c736089bcf7d7e92
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Author: A U Thor <author@example.com>
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Date: Thu Apr 7 15:19:13 2005 -0700
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7th
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Notes:
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other note
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EOF
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test_expect_success 'create note from other note with "git notes add -C"' '
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: > a7 &&
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git add a7 &&
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test_tick &&
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git commit -m 7th &&
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git notes add -C $(git notes list HEAD^) &&
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git log -1 > actual &&
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test_cmp expect actual &&
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test "$(git notes list HEAD)" = "$(git notes list HEAD^)"
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'
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test_expect_success 'create note from non-existing note with "git notes add -C" fails' '
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: > a8 &&
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git add a8 &&
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test_tick &&
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git commit -m 8th &&
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test_must_fail git notes add -C deadbeef &&
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test_must_fail git notes list HEAD
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'
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cat > expect << EOF
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commit 016e982bad97eacdbda0fcbd7ce5b0ba87c81f1b
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Author: A U Thor <author@example.com>
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Date: Thu Apr 7 15:21:13 2005 -0700
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9th
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Notes:
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yet another note
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EOF
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test_expect_success 'create note from other note with "git notes add -c"' '
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: > a9 &&
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git add a9 &&
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test_tick &&
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git commit -m 9th &&
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MSG="yet another note" git notes add -c $(git notes list HEAD^^) &&
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git log -1 > actual &&
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test_cmp expect actual
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'
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test_expect_success 'create note from non-existing note with "git notes add -c" fails' '
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: > a10 &&
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git add a10 &&
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test_tick &&
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git commit -m 10th &&
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test_must_fail MSG="yet another note" git notes add -c deadbeef &&
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test_must_fail git notes list HEAD
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'
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cat > expect << EOF
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commit 016e982bad97eacdbda0fcbd7ce5b0ba87c81f1b
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Author: A U Thor <author@example.com>
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Date: Thu Apr 7 15:21:13 2005 -0700
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9th
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Notes:
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yet another note
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$whitespace
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yet another note
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EOF
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test_expect_success 'append to note from other note with "git notes append -C"' '
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git notes append -C $(git notes list HEAD^) HEAD^ &&
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git log -1 HEAD^ > actual &&
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test_cmp expect actual
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'
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cat > expect << EOF
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commit ffed603236bfa3891c49644257a83598afe8ae5a
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Author: A U Thor <author@example.com>
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Date: Thu Apr 7 15:22:13 2005 -0700
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10th
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Notes:
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other note
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EOF
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test_expect_success 'create note from other note with "git notes append -c"' '
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MSG="other note" git notes append -c $(git notes list HEAD^) &&
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git log -1 > actual &&
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test_cmp expect actual
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'
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cat > expect << EOF
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commit ffed603236bfa3891c49644257a83598afe8ae5a
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Author: A U Thor <author@example.com>
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Date: Thu Apr 7 15:22:13 2005 -0700
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10th
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Notes:
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other note
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$whitespace
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yet another note
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EOF
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test_expect_success 'append to note from other note with "git notes append -c"' '
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MSG="yet another note" git notes append -c $(git notes list HEAD) &&
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git log -1 > actual &&
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test_cmp expect actual
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'
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test_done
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