static const char * const git_notes_usage[] = {
N_("git notes [--ref <notes_ref>] [list [<object>]]"),
- N_("git notes [--ref <notes_ref>] add [-f] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
+ N_("git notes [--ref <notes_ref>] add [-f] [--allow-empty] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
N_("git notes [--ref <notes_ref>] copy [-f] <from-object> <to-object>"),
- N_("git notes [--ref <notes_ref>] append [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
- N_("git notes [--ref <notes_ref>] edit [<object>]"),
+ N_("git notes [--ref <notes_ref>] append [--allow-empty] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
+ N_("git notes [--ref <notes_ref>] edit [--allow-empty] [<object>]"),
N_("git notes [--ref <notes_ref>] show [<object>]"),
N_("git notes [--ref <notes_ref>] merge [-v | -q] [-s <strategy> ] <notes_ref>"),
N_("git notes merge --commit [-v | -q]"),
struct note_data {
int given;
int use_editor;
+ char *edit_path;
struct strbuf buf;
};
+static void free_note_data(struct note_data *d)
+{
+ if (d->edit_path) {
+ unlink_or_warn(d->edit_path);
+ free(d->edit_path);
+ }
+ strbuf_release(&d->buf);
+}
+
static int list_each_note(const unsigned char *object_sha1,
const unsigned char *note_sha1, char *note_path,
void *cb_data)
sha1_to_hex(object));
}
-static void create_note(const unsigned char *object, struct note_data *d,
- int append_only, const unsigned char *prev,
- unsigned char *result)
+static void prepare_note_data(const unsigned char *object, struct note_data *d,
+ const unsigned char *old_note)
{
- char *path = NULL;
-
if (d->use_editor || !d->given) {
int fd;
struct strbuf buf = STRBUF_INIT;
/* write the template message before editing: */
- path = git_pathdup("NOTES_EDITMSG");
- fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
+ d->edit_path = git_pathdup("NOTES_EDITMSG");
+ fd = open(d->edit_path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
if (fd < 0)
- die_errno(_("could not create file '%s'"), path);
+ die_errno(_("could not create file '%s'"), d->edit_path);
if (d->given)
write_or_die(fd, d->buf.buf, d->buf.len);
- else if (prev && !append_only)
- copy_obj_to_fd(fd, prev);
+ else if (old_note)
+ copy_obj_to_fd(fd, old_note);
strbuf_addch(&buf, '\n');
strbuf_add_commented_lines(&buf, note_template, strlen(note_template));
strbuf_release(&buf);
strbuf_reset(&d->buf);
- if (launch_editor(path, &d->buf, NULL)) {
+ if (launch_editor(d->edit_path, &d->buf, NULL)) {
die(_("Please supply the note contents using either -m or -F option"));
}
stripspace(&d->buf, 1);
}
+}
- if (prev && append_only) {
- /* Append buf to previous note contents */
- unsigned long size;
- enum object_type type;
- char *prev_buf = read_sha1_file(prev, &type, &size);
-
- strbuf_grow(&d->buf, size + 1);
- if (d->buf.len && prev_buf && size)
- strbuf_insert(&d->buf, 0, "\n", 1);
- if (prev_buf && size)
- strbuf_insert(&d->buf, 0, prev_buf, size);
- free(prev_buf);
- }
-
- if (!d->buf.len) {
- fprintf(stderr, _("Removing note for object %s\n"),
- sha1_to_hex(object));
- hashclr(result);
- } else {
- if (write_sha1_file(d->buf.buf, d->buf.len, blob_type, result)) {
- error(_("unable to write note object"));
- if (path)
- error(_("The note contents have been left in %s"),
- path);
- exit(128);
- }
- }
-
- if (path) {
- unlink_or_warn(path);
- free(path);
+static void write_note_data(struct note_data *d, unsigned char *sha1)
+{
+ if (write_sha1_file(d->buf.buf, d->buf.len, blob_type, sha1)) {
+ error(_("unable to write note object"));
+ if (d->edit_path)
+ error(_("The note contents have been left in %s"),
+ d->edit_path);
+ exit(128);
}
}
static int add(int argc, const char **argv, const char *prefix)
{
- int retval = 0, force = 0;
+ int force = 0, allow_empty = 0;
const char *object_ref;
struct notes_tree *t;
unsigned char object[20], new_note[20];
- char logmsg[100];
const unsigned char *note;
- struct note_data d = { 0, 0, STRBUF_INIT };
+ struct note_data d = { 0, 0, NULL, STRBUF_INIT };
struct option options[] = {
{ OPTION_CALLBACK, 'm', "message", &d, N_("message"),
N_("note contents as a string"), PARSE_OPT_NONEG,
{ OPTION_CALLBACK, 'C', "reuse-message", &d, N_("object"),
N_("reuse specified note object"), PARSE_OPT_NONEG,
parse_reuse_arg},
+ OPT_BOOL(0, "allow-empty", &allow_empty,
+ N_("allow storing empty note")),
OPT__FORCE(&force, N_("replace existing notes")),
OPT_END()
};
if (note) {
if (!force) {
- if (!d.given) {
- /*
- * Redirect to "edit" subcommand.
- *
- * We only end up here if none of -m/-F/-c/-C
- * or -f are given. The original args are
- * therefore still in argv[0-1].
- */
- argv[0] = "edit";
- free_notes(t);
- return append_edit(argc, argv, prefix);
+ free_notes(t);
+ if (d.given) {
+ free_note_data(&d);
+ return error(_("Cannot add notes. "
+ "Found existing notes for object %s. "
+ "Use '-f' to overwrite existing notes"),
+ sha1_to_hex(object));
}
- retval = error(_("Cannot add notes. Found existing notes "
- "for object %s. Use '-f' to overwrite "
- "existing notes"), sha1_to_hex(object));
- goto out;
+ /*
+ * Redirect to "edit" subcommand.
+ *
+ * We only end up here if none of -m/-F/-c/-C or -f are
+ * given. The original args are therefore still in
+ * argv[0-1].
+ */
+ argv[0] = "edit";
+ return append_edit(argc, argv, prefix);
}
fprintf(stderr, _("Overwriting existing notes for object %s\n"),
sha1_to_hex(object));
}
- create_note(object, &d, 0, note, new_note);
-
- if (is_null_sha1(new_note))
+ prepare_note_data(object, &d, note);
+ if (d.buf.len || allow_empty) {
+ write_note_data(&d, new_note);
+ if (add_note(t, object, new_note, combine_notes_overwrite))
+ die("BUG: combine_notes_overwrite failed");
+ commit_notes(t, "Notes added by 'git notes add'");
+ } else {
+ fprintf(stderr, _("Removing note for object %s\n"),
+ sha1_to_hex(object));
remove_note(t, object);
- else if (add_note(t, object, new_note, combine_notes_overwrite))
- die("BUG: combine_notes_overwrite failed");
+ commit_notes(t, "Notes removed by 'git notes add'");
+ }
- snprintf(logmsg, sizeof(logmsg), "Notes %s by 'git notes %s'",
- is_null_sha1(new_note) ? "removed" : "added", "add");
- commit_notes(t, logmsg);
-out:
+ free_note_data(&d);
free_notes(t);
- strbuf_release(&d.buf);
- return retval;
+ return 0;
}
static int copy(int argc, const char **argv, const char *prefix)
static int append_edit(int argc, const char **argv, const char *prefix)
{
+ int allow_empty = 0;
const char *object_ref;
struct notes_tree *t;
unsigned char object[20], new_note[20];
const unsigned char *note;
char logmsg[100];
const char * const *usage;
- struct note_data d = { 0, 0, STRBUF_INIT };
+ struct note_data d = { 0, 0, NULL, STRBUF_INIT };
struct option options[] = {
{ OPTION_CALLBACK, 'm', "message", &d, N_("message"),
N_("note contents as a string"), PARSE_OPT_NONEG,
{ OPTION_CALLBACK, 'C', "reuse-message", &d, N_("object"),
N_("reuse specified note object"), PARSE_OPT_NONEG,
parse_reuse_arg},
+ OPT_BOOL(0, "allow-empty", &allow_empty,
+ N_("allow storing empty note")),
OPT_END()
};
int edit = !strcmp(argv[0], "edit");
t = init_notes_check(argv[0]);
note = get_note(t, object);
- create_note(object, &d, !edit, note, new_note);
+ prepare_note_data(object, &d, edit ? note : NULL);
- if (is_null_sha1(new_note))
- remove_note(t, object);
- else if (add_note(t, object, new_note, combine_notes_overwrite))
- die("BUG: combine_notes_overwrite failed");
+ if (note && !edit) {
+ /* Append buf to previous note contents */
+ unsigned long size;
+ enum object_type type;
+ char *prev_buf = read_sha1_file(note, &type, &size);
+
+ strbuf_grow(&d.buf, size + 1);
+ if (d.buf.len && prev_buf && size)
+ strbuf_insert(&d.buf, 0, "\n", 1);
+ if (prev_buf && size)
+ strbuf_insert(&d.buf, 0, prev_buf, size);
+ free(prev_buf);
+ }
- snprintf(logmsg, sizeof(logmsg), "Notes %s by 'git notes %s'",
- is_null_sha1(new_note) ? "removed" : "added", argv[0]);
+ if (d.buf.len || allow_empty) {
+ write_note_data(&d, new_note);
+ if (add_note(t, object, new_note, combine_notes_overwrite))
+ die("BUG: combine_notes_overwrite failed");
+ snprintf(logmsg, sizeof(logmsg), "Notes added by 'git notes %s'",
+ argv[0]);
+ } else {
+ fprintf(stderr, _("Removing note for object %s\n"),
+ sha1_to_hex(object));
+ remove_note(t, object);
+ snprintf(logmsg, sizeof(logmsg), "Notes removed by 'git notes %s'",
+ argv[0]);
+ }
commit_notes(t, logmsg);
+
+ free_note_data(&d);
free_notes(t);
- strbuf_release(&d.buf);
return 0;
}