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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:47:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:47:53 +0000
commitc8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch)
tree24e09d9f84dec336720cf393e156089ca2835791 /builtin/notes.c
parentInitial commit. (diff)
downloadgit-c8bae7493d2f2910b57f13ded012e86bdcfb0532.tar.xz
git-c8bae7493d2f2910b57f13ded012e86bdcfb0532.zip
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'builtin/notes.c')
-rw-r--r--builtin/notes.c1035
1 files changed, 1035 insertions, 0 deletions
diff --git a/builtin/notes.c b/builtin/notes.c
new file mode 100644
index 0000000..80d9dfd
--- /dev/null
+++ b/builtin/notes.c
@@ -0,0 +1,1035 @@
+/*
+ * Builtin "git notes"
+ *
+ * Copyright (c) 2010 Johan Herland <johan@herland.net>
+ *
+ * Based on git-notes.sh by Johannes Schindelin,
+ * and builtin/tag.c by Kristian Høgsberg and Carlos Rica.
+ */
+
+#include "cache.h"
+#include "config.h"
+#include "builtin.h"
+#include "notes.h"
+#include "object-store.h"
+#include "repository.h"
+#include "blob.h"
+#include "pretty.h"
+#include "refs.h"
+#include "exec-cmd.h"
+#include "run-command.h"
+#include "parse-options.h"
+#include "string-list.h"
+#include "notes-merge.h"
+#include "notes-utils.h"
+#include "worktree.h"
+
+static const char * const git_notes_usage[] = {
+ N_("git notes [--ref <notes-ref>] [list [<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 [--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>"),
+ "git notes merge --commit [-v | -q]",
+ "git notes merge --abort [-v | -q]",
+ N_("git notes [--ref <notes-ref>] remove [<object>...]"),
+ N_("git notes [--ref <notes-ref>] prune [-n] [-v]"),
+ N_("git notes [--ref <notes-ref>] get-ref"),
+ NULL
+};
+
+static const char * const git_notes_list_usage[] = {
+ N_("git notes [list [<object>]]"),
+ NULL
+};
+
+static const char * const git_notes_add_usage[] = {
+ N_("git notes add [<options>] [<object>]"),
+ NULL
+};
+
+static const char * const git_notes_copy_usage[] = {
+ N_("git notes copy [<options>] <from-object> <to-object>"),
+ N_("git notes copy --stdin [<from-object> <to-object>]..."),
+ NULL
+};
+
+static const char * const git_notes_append_usage[] = {
+ N_("git notes append [<options>] [<object>]"),
+ NULL
+};
+
+static const char * const git_notes_edit_usage[] = {
+ N_("git notes edit [<object>]"),
+ NULL
+};
+
+static const char * const git_notes_show_usage[] = {
+ N_("git notes show [<object>]"),
+ NULL
+};
+
+static const char * const git_notes_merge_usage[] = {
+ N_("git notes merge [<options>] <notes-ref>"),
+ N_("git notes merge --commit [<options>]"),
+ N_("git notes merge --abort [<options>]"),
+ NULL
+};
+
+static const char * const git_notes_remove_usage[] = {
+ N_("git notes remove [<object>]"),
+ NULL
+};
+
+static const char * const git_notes_prune_usage[] = {
+ N_("git notes prune [<options>]"),
+ NULL
+};
+
+static const char * const git_notes_get_ref_usage[] = {
+ "git notes get-ref",
+ NULL
+};
+
+static const char note_template[] =
+ N_("Write/edit the notes for the following object:");
+
+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 struct object_id *object_oid,
+ const struct object_id *note_oid, char *note_path,
+ void *cb_data)
+{
+ printf("%s %s\n", oid_to_hex(note_oid), oid_to_hex(object_oid));
+ return 0;
+}
+
+static void copy_obj_to_fd(int fd, const struct object_id *oid)
+{
+ unsigned long size;
+ enum object_type type;
+ char *buf = read_object_file(oid, &type, &size);
+ if (buf) {
+ if (size)
+ write_or_die(fd, buf, size);
+ free(buf);
+ }
+}
+
+static void write_commented_object(int fd, const struct object_id *object)
+{
+ struct child_process show = CHILD_PROCESS_INIT;
+ struct strbuf buf = STRBUF_INIT;
+ struct strbuf cbuf = STRBUF_INIT;
+
+ /* Invoke "git show --stat --no-notes $object" */
+ strvec_pushl(&show.args, "show", "--stat", "--no-notes",
+ oid_to_hex(object), NULL);
+ show.no_stdin = 1;
+ show.out = -1;
+ show.err = 0;
+ show.git_cmd = 1;
+ if (start_command(&show))
+ die(_("unable to start 'show' for object '%s'"),
+ oid_to_hex(object));
+
+ if (strbuf_read(&buf, show.out, 0) < 0)
+ die_errno(_("could not read 'show' output"));
+ strbuf_add_commented_lines(&cbuf, buf.buf, buf.len);
+ write_or_die(fd, cbuf.buf, cbuf.len);
+
+ strbuf_release(&cbuf);
+ strbuf_release(&buf);
+
+ if (finish_command(&show))
+ die(_("failed to finish 'show' for object '%s'"),
+ oid_to_hex(object));
+}
+
+static void prepare_note_data(const struct object_id *object, struct note_data *d,
+ const struct object_id *old_note)
+{
+ if (d->use_editor || !d->given) {
+ int fd;
+ struct strbuf buf = STRBUF_INIT;
+
+ /* write the template message before editing: */
+ d->edit_path = git_pathdup("NOTES_EDITMSG");
+ fd = xopen(d->edit_path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
+
+ if (d->given)
+ write_or_die(fd, d->buf.buf, d->buf.len);
+ else if (old_note)
+ copy_obj_to_fd(fd, old_note);
+
+ strbuf_addch(&buf, '\n');
+ strbuf_add_commented_lines(&buf, "\n", strlen("\n"));
+ strbuf_add_commented_lines(&buf, _(note_template), strlen(_(note_template)));
+ strbuf_add_commented_lines(&buf, "\n", strlen("\n"));
+ write_or_die(fd, buf.buf, buf.len);
+
+ write_commented_object(fd, object);
+
+ close(fd);
+ strbuf_release(&buf);
+ strbuf_reset(&d->buf);
+
+ if (launch_editor(d->edit_path, &d->buf, NULL)) {
+ die(_("please supply the note contents using either -m or -F option"));
+ }
+ strbuf_stripspace(&d->buf, 1);
+ }
+}
+
+static void write_note_data(struct note_data *d, struct object_id *oid)
+{
+ if (write_object_file(d->buf.buf, d->buf.len, OBJ_BLOB, oid)) {
+ int status = die_message(_("unable to write note object"));
+
+ if (d->edit_path)
+ die_message(_("the note contents have been left in %s"),
+ d->edit_path);
+ exit(status);
+ }
+}
+
+static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
+{
+ struct note_data *d = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+
+ strbuf_grow(&d->buf, strlen(arg) + 2);
+ if (d->buf.len)
+ strbuf_addch(&d->buf, '\n');
+ strbuf_addstr(&d->buf, arg);
+ strbuf_stripspace(&d->buf, 0);
+
+ d->given = 1;
+ return 0;
+}
+
+static int parse_file_arg(const struct option *opt, const char *arg, int unset)
+{
+ struct note_data *d = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+
+ if (d->buf.len)
+ strbuf_addch(&d->buf, '\n');
+ if (!strcmp(arg, "-")) {
+ if (strbuf_read(&d->buf, 0, 1024) < 0)
+ die_errno(_("cannot read '%s'"), arg);
+ } else if (strbuf_read_file(&d->buf, arg, 1024) < 0)
+ die_errno(_("could not open or read '%s'"), arg);
+ strbuf_stripspace(&d->buf, 0);
+
+ d->given = 1;
+ return 0;
+}
+
+static int parse_reuse_arg(const struct option *opt, const char *arg, int unset)
+{
+ struct note_data *d = opt->value;
+ char *buf;
+ struct object_id object;
+ enum object_type type;
+ unsigned long len;
+
+ BUG_ON_OPT_NEG(unset);
+
+ if (d->buf.len)
+ strbuf_addch(&d->buf, '\n');
+
+ if (get_oid(arg, &object))
+ die(_("failed to resolve '%s' as a valid ref."), arg);
+ if (!(buf = read_object_file(&object, &type, &len)))
+ die(_("failed to read object '%s'."), arg);
+ if (type != OBJ_BLOB) {
+ free(buf);
+ die(_("cannot read note data from non-blob object '%s'."), arg);
+ }
+ strbuf_add(&d->buf, buf, len);
+ free(buf);
+
+ d->given = 1;
+ return 0;
+}
+
+static int parse_reedit_arg(const struct option *opt, const char *arg, int unset)
+{
+ struct note_data *d = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ d->use_editor = 1;
+ return parse_reuse_arg(opt, arg, unset);
+}
+
+static int notes_copy_from_stdin(int force, const char *rewrite_cmd)
+{
+ struct strbuf buf = STRBUF_INIT;
+ struct notes_rewrite_cfg *c = NULL;
+ struct notes_tree *t = NULL;
+ int ret = 0;
+ const char *msg = "Notes added by 'git notes copy'";
+
+ if (rewrite_cmd) {
+ c = init_copy_notes_for_rewrite(rewrite_cmd);
+ if (!c)
+ return 0;
+ } else {
+ init_notes(NULL, NULL, NULL, NOTES_INIT_WRITABLE);
+ t = &default_notes_tree;
+ }
+
+ while (strbuf_getline_lf(&buf, stdin) != EOF) {
+ struct object_id from_obj, to_obj;
+ struct strbuf **split;
+ int err;
+
+ split = strbuf_split(&buf, ' ');
+ if (!split[0] || !split[1])
+ die(_("malformed input line: '%s'."), buf.buf);
+ strbuf_rtrim(split[0]);
+ strbuf_rtrim(split[1]);
+ if (get_oid(split[0]->buf, &from_obj))
+ die(_("failed to resolve '%s' as a valid ref."), split[0]->buf);
+ if (get_oid(split[1]->buf, &to_obj))
+ die(_("failed to resolve '%s' as a valid ref."), split[1]->buf);
+
+ if (rewrite_cmd)
+ err = copy_note_for_rewrite(c, &from_obj, &to_obj);
+ else
+ err = copy_note(t, &from_obj, &to_obj, force,
+ combine_notes_overwrite);
+
+ if (err) {
+ error(_("failed to copy notes from '%s' to '%s'"),
+ split[0]->buf, split[1]->buf);
+ ret = 1;
+ }
+
+ strbuf_list_free(split);
+ }
+
+ if (!rewrite_cmd) {
+ commit_notes(the_repository, t, msg);
+ free_notes(t);
+ } else {
+ finish_copy_notes_for_rewrite(the_repository, c, msg);
+ }
+ strbuf_release(&buf);
+ return ret;
+}
+
+static struct notes_tree *init_notes_check(const char *subcommand,
+ int flags)
+{
+ struct notes_tree *t;
+ const char *ref;
+ init_notes(NULL, NULL, NULL, flags);
+ t = &default_notes_tree;
+
+ ref = (flags & NOTES_INIT_WRITABLE) ? t->update_ref : t->ref;
+ if (!starts_with(ref, "refs/notes/"))
+ /*
+ * TRANSLATORS: the first %s will be replaced by a git
+ * notes command: 'add', 'merge', 'remove', etc.
+ */
+ die(_("refusing to %s notes in %s (outside of refs/notes/)"),
+ subcommand, ref);
+ return t;
+}
+
+static int list(int argc, const char **argv, const char *prefix)
+{
+ struct notes_tree *t;
+ struct object_id object;
+ const struct object_id *note;
+ int retval = -1;
+ struct option options[] = {
+ OPT_END()
+ };
+
+ if (argc)
+ argc = parse_options(argc, argv, prefix, options,
+ git_notes_list_usage, 0);
+
+ if (1 < argc) {
+ error(_("too many arguments"));
+ usage_with_options(git_notes_list_usage, options);
+ }
+
+ t = init_notes_check("list", 0);
+ if (argc) {
+ if (get_oid(argv[0], &object))
+ die(_("failed to resolve '%s' as a valid ref."), argv[0]);
+ note = get_note(t, &object);
+ if (note) {
+ puts(oid_to_hex(note));
+ retval = 0;
+ } else
+ retval = error(_("no note found for object %s."),
+ oid_to_hex(&object));
+ } else
+ retval = for_each_note(t, 0, list_each_note, NULL);
+
+ free_notes(t);
+ return retval;
+}
+
+static int append_edit(int argc, const char **argv, const char *prefix);
+
+static int add(int argc, const char **argv, const char *prefix)
+{
+ int force = 0, allow_empty = 0;
+ const char *object_ref;
+ struct notes_tree *t;
+ struct object_id object, new_note;
+ const struct object_id *note;
+ struct note_data d = { 0, 0, NULL, STRBUF_INIT };
+ struct option options[] = {
+ OPT_CALLBACK_F('m', "message", &d, N_("message"),
+ N_("note contents as a string"), PARSE_OPT_NONEG,
+ parse_msg_arg),
+ OPT_CALLBACK_F('F', "file", &d, N_("file"),
+ N_("note contents in a file"), PARSE_OPT_NONEG,
+ parse_file_arg),
+ OPT_CALLBACK_F('c', "reedit-message", &d, N_("object"),
+ N_("reuse and edit specified note object"), PARSE_OPT_NONEG,
+ parse_reedit_arg),
+ OPT_CALLBACK_F('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"), PARSE_OPT_NOCOMPLETE),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options, git_notes_add_usage,
+ PARSE_OPT_KEEP_ARGV0);
+
+ if (2 < argc) {
+ error(_("too many arguments"));
+ usage_with_options(git_notes_add_usage, options);
+ }
+
+ object_ref = argc > 1 ? argv[1] : "HEAD";
+
+ if (get_oid(object_ref, &object))
+ die(_("failed to resolve '%s' as a valid ref."), object_ref);
+
+ t = init_notes_check("add", NOTES_INIT_WRITABLE);
+ note = get_note(t, &object);
+
+ if (note) {
+ if (!force) {
+ 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"),
+ oid_to_hex(&object));
+ }
+ /*
+ * 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"),
+ oid_to_hex(&object));
+ }
+
+ 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))
+ BUG("combine_notes_overwrite failed");
+ commit_notes(the_repository, t,
+ "Notes added by 'git notes add'");
+ } else {
+ fprintf(stderr, _("Removing note for object %s\n"),
+ oid_to_hex(&object));
+ remove_note(t, object.hash);
+ commit_notes(the_repository, t,
+ "Notes removed by 'git notes add'");
+ }
+
+ free_note_data(&d);
+ free_notes(t);
+ return 0;
+}
+
+static int copy(int argc, const char **argv, const char *prefix)
+{
+ int retval = 0, force = 0, from_stdin = 0;
+ const struct object_id *from_note, *note;
+ const char *object_ref;
+ struct object_id object, from_obj;
+ struct notes_tree *t;
+ const char *rewrite_cmd = NULL;
+ struct option options[] = {
+ OPT__FORCE(&force, N_("replace existing notes"), PARSE_OPT_NOCOMPLETE),
+ OPT_BOOL(0, "stdin", &from_stdin, N_("read objects from stdin")),
+ OPT_STRING(0, "for-rewrite", &rewrite_cmd, N_("command"),
+ N_("load rewriting config for <command> (implies "
+ "--stdin)")),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options, git_notes_copy_usage,
+ 0);
+
+ if (from_stdin || rewrite_cmd) {
+ if (argc) {
+ error(_("too many arguments"));
+ usage_with_options(git_notes_copy_usage, options);
+ } else {
+ return notes_copy_from_stdin(force, rewrite_cmd);
+ }
+ }
+
+ if (argc < 1) {
+ error(_("too few arguments"));
+ usage_with_options(git_notes_copy_usage, options);
+ }
+ if (2 < argc) {
+ error(_("too many arguments"));
+ usage_with_options(git_notes_copy_usage, options);
+ }
+
+ if (get_oid(argv[0], &from_obj))
+ die(_("failed to resolve '%s' as a valid ref."), argv[0]);
+
+ object_ref = 1 < argc ? argv[1] : "HEAD";
+
+ if (get_oid(object_ref, &object))
+ die(_("failed to resolve '%s' as a valid ref."), object_ref);
+
+ t = init_notes_check("copy", NOTES_INIT_WRITABLE);
+ note = get_note(t, &object);
+
+ if (note) {
+ if (!force) {
+ retval = error(_("Cannot copy notes. Found existing "
+ "notes for object %s. Use '-f' to "
+ "overwrite existing notes"),
+ oid_to_hex(&object));
+ goto out;
+ }
+ fprintf(stderr, _("Overwriting existing notes for object %s\n"),
+ oid_to_hex(&object));
+ }
+
+ from_note = get_note(t, &from_obj);
+ if (!from_note) {
+ retval = error(_("missing notes on source object %s. Cannot "
+ "copy."), oid_to_hex(&from_obj));
+ goto out;
+ }
+
+ if (add_note(t, &object, from_note, combine_notes_overwrite))
+ BUG("combine_notes_overwrite failed");
+ commit_notes(the_repository, t,
+ "Notes added by 'git notes copy'");
+out:
+ free_notes(t);
+ return retval;
+}
+
+static int append_edit(int argc, const char **argv, const char *prefix)
+{
+ int allow_empty = 0;
+ const char *object_ref;
+ struct notes_tree *t;
+ struct object_id object, new_note;
+ const struct object_id *note;
+ char *logmsg;
+ const char * const *usage;
+ struct note_data d = { 0, 0, NULL, STRBUF_INIT };
+ struct option options[] = {
+ OPT_CALLBACK_F('m', "message", &d, N_("message"),
+ N_("note contents as a string"), PARSE_OPT_NONEG,
+ parse_msg_arg),
+ OPT_CALLBACK_F('F', "file", &d, N_("file"),
+ N_("note contents in a file"), PARSE_OPT_NONEG,
+ parse_file_arg),
+ OPT_CALLBACK_F('c', "reedit-message", &d, N_("object"),
+ N_("reuse and edit specified note object"), PARSE_OPT_NONEG,
+ parse_reedit_arg),
+ OPT_CALLBACK_F('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");
+
+ usage = edit ? git_notes_edit_usage : git_notes_append_usage;
+ argc = parse_options(argc, argv, prefix, options, usage,
+ PARSE_OPT_KEEP_ARGV0);
+
+ if (2 < argc) {
+ error(_("too many arguments"));
+ usage_with_options(usage, options);
+ }
+
+ if (d.given && edit)
+ fprintf(stderr, _("The -m/-F/-c/-C options have been deprecated "
+ "for the 'edit' subcommand.\n"
+ "Please use 'git notes add -f -m/-F/-c/-C' instead.\n"));
+
+ object_ref = 1 < argc ? argv[1] : "HEAD";
+
+ if (get_oid(object_ref, &object))
+ die(_("failed to resolve '%s' as a valid ref."), object_ref);
+
+ t = init_notes_check(argv[0], NOTES_INIT_WRITABLE);
+ note = get_note(t, &object);
+
+ prepare_note_data(&object, &d, edit && note ? note : NULL);
+
+ if (note && !edit) {
+ /* Append buf to previous note contents */
+ unsigned long size;
+ enum object_type type;
+ char *prev_buf = read_object_file(note, &type, &size);
+
+ strbuf_grow(&d.buf, size + 1);
+ if (d.buf.len && prev_buf && size)
+ strbuf_insertstr(&d.buf, 0, "\n");
+ if (prev_buf && size)
+ strbuf_insert(&d.buf, 0, prev_buf, size);
+ free(prev_buf);
+ }
+
+ if (d.buf.len || allow_empty) {
+ write_note_data(&d, &new_note);
+ if (add_note(t, &object, &new_note, combine_notes_overwrite))
+ BUG("combine_notes_overwrite failed");
+ logmsg = xstrfmt("Notes added by 'git notes %s'", argv[0]);
+ } else {
+ fprintf(stderr, _("Removing note for object %s\n"),
+ oid_to_hex(&object));
+ remove_note(t, object.hash);
+ logmsg = xstrfmt("Notes removed by 'git notes %s'", argv[0]);
+ }
+ commit_notes(the_repository, t, logmsg);
+
+ free(logmsg);
+ free_note_data(&d);
+ free_notes(t);
+ return 0;
+}
+
+static int show(int argc, const char **argv, const char *prefix)
+{
+ const char *object_ref;
+ struct notes_tree *t;
+ struct object_id object;
+ const struct object_id *note;
+ int retval;
+ struct option options[] = {
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options, git_notes_show_usage,
+ 0);
+
+ if (1 < argc) {
+ error(_("too many arguments"));
+ usage_with_options(git_notes_show_usage, options);
+ }
+
+ object_ref = argc ? argv[0] : "HEAD";
+
+ if (get_oid(object_ref, &object))
+ die(_("failed to resolve '%s' as a valid ref."), object_ref);
+
+ t = init_notes_check("show", 0);
+ note = get_note(t, &object);
+
+ if (!note)
+ retval = error(_("no note found for object %s."),
+ oid_to_hex(&object));
+ else {
+ const char *show_args[3] = {"show", oid_to_hex(note), NULL};
+ retval = execv_git_cmd(show_args);
+ }
+ free_notes(t);
+ return retval;
+}
+
+static int merge_abort(struct notes_merge_options *o)
+{
+ int ret = 0;
+
+ /*
+ * Remove .git/NOTES_MERGE_PARTIAL and .git/NOTES_MERGE_REF, and call
+ * notes_merge_abort() to remove .git/NOTES_MERGE_WORKTREE.
+ */
+
+ if (delete_ref(NULL, "NOTES_MERGE_PARTIAL", NULL, 0))
+ ret += error(_("failed to delete ref NOTES_MERGE_PARTIAL"));
+ if (delete_ref(NULL, "NOTES_MERGE_REF", NULL, REF_NO_DEREF))
+ ret += error(_("failed to delete ref NOTES_MERGE_REF"));
+ if (notes_merge_abort(o))
+ ret += error(_("failed to remove 'git notes merge' worktree"));
+ return ret;
+}
+
+static int merge_commit(struct notes_merge_options *o)
+{
+ struct strbuf msg = STRBUF_INIT;
+ struct object_id oid, parent_oid;
+ struct notes_tree *t;
+ struct commit *partial;
+ struct pretty_print_context pretty_ctx;
+ void *local_ref_to_free;
+ int ret;
+
+ /*
+ * Read partial merge result from .git/NOTES_MERGE_PARTIAL,
+ * and target notes ref from .git/NOTES_MERGE_REF.
+ */
+
+ if (get_oid("NOTES_MERGE_PARTIAL", &oid))
+ die(_("failed to read ref NOTES_MERGE_PARTIAL"));
+ else if (!(partial = lookup_commit_reference(the_repository, &oid)))
+ die(_("could not find commit from NOTES_MERGE_PARTIAL."));
+ else if (parse_commit(partial))
+ die(_("could not parse commit from NOTES_MERGE_PARTIAL."));
+
+ if (partial->parents)
+ oidcpy(&parent_oid, &partial->parents->item->object.oid);
+ else
+ oidclr(&parent_oid);
+
+ CALLOC_ARRAY(t, 1);
+ init_notes(t, "NOTES_MERGE_PARTIAL", combine_notes_overwrite, 0);
+
+ o->local_ref = local_ref_to_free =
+ resolve_refdup("NOTES_MERGE_REF", 0, &oid, NULL);
+ if (!o->local_ref)
+ die(_("failed to resolve NOTES_MERGE_REF"));
+
+ if (notes_merge_commit(o, t, partial, &oid))
+ die(_("failed to finalize notes merge"));
+
+ /* Reuse existing commit message in reflog message */
+ memset(&pretty_ctx, 0, sizeof(pretty_ctx));
+ format_commit_message(partial, "%s", &msg, &pretty_ctx);
+ strbuf_trim(&msg);
+ strbuf_insertstr(&msg, 0, "notes: ");
+ update_ref(msg.buf, o->local_ref, &oid,
+ is_null_oid(&parent_oid) ? NULL : &parent_oid,
+ 0, UPDATE_REFS_DIE_ON_ERR);
+
+ free_notes(t);
+ strbuf_release(&msg);
+ ret = merge_abort(o);
+ free(local_ref_to_free);
+ return ret;
+}
+
+static int git_config_get_notes_strategy(const char *key,
+ enum notes_merge_strategy *strategy)
+{
+ char *value;
+
+ if (git_config_get_string(key, &value))
+ return 1;
+ if (parse_notes_merge_strategy(value, strategy))
+ git_die_config(key, _("unknown notes merge strategy %s"), value);
+
+ free(value);
+ return 0;
+}
+
+static int merge(int argc, const char **argv, const char *prefix)
+{
+ struct strbuf remote_ref = STRBUF_INIT, msg = STRBUF_INIT;
+ struct object_id result_oid;
+ struct notes_tree *t;
+ struct notes_merge_options o;
+ int do_merge = 0, do_commit = 0, do_abort = 0;
+ int verbosity = 0, result;
+ const char *strategy = NULL;
+ struct option options[] = {
+ OPT_GROUP(N_("General options")),
+ OPT__VERBOSITY(&verbosity),
+ OPT_GROUP(N_("Merge options")),
+ OPT_STRING('s', "strategy", &strategy, N_("strategy"),
+ N_("resolve notes conflicts using the given strategy "
+ "(manual/ours/theirs/union/cat_sort_uniq)")),
+ OPT_GROUP(N_("Committing unmerged notes")),
+ OPT_SET_INT_F(0, "commit", &do_commit,
+ N_("finalize notes merge by committing unmerged notes"),
+ 1, PARSE_OPT_NONEG),
+ OPT_GROUP(N_("Aborting notes merge resolution")),
+ OPT_SET_INT_F(0, "abort", &do_abort,
+ N_("abort notes merge"),
+ 1, PARSE_OPT_NONEG),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_notes_merge_usage, 0);
+
+ if (strategy || do_commit + do_abort == 0)
+ do_merge = 1;
+ if (do_merge + do_commit + do_abort != 1) {
+ error(_("cannot mix --commit, --abort or -s/--strategy"));
+ usage_with_options(git_notes_merge_usage, options);
+ }
+
+ if (do_merge && argc != 1) {
+ error(_("must specify a notes ref to merge"));
+ usage_with_options(git_notes_merge_usage, options);
+ } else if (!do_merge && argc) {
+ error(_("too many arguments"));
+ usage_with_options(git_notes_merge_usage, options);
+ }
+
+ init_notes_merge_options(the_repository, &o);
+ o.verbosity = verbosity + NOTES_MERGE_VERBOSITY_DEFAULT;
+
+ if (do_abort)
+ return merge_abort(&o);
+ if (do_commit)
+ return merge_commit(&o);
+
+ o.local_ref = default_notes_ref();
+ strbuf_addstr(&remote_ref, argv[0]);
+ expand_loose_notes_ref(&remote_ref);
+ o.remote_ref = remote_ref.buf;
+
+ t = init_notes_check("merge", NOTES_INIT_WRITABLE);
+
+ if (strategy) {
+ if (parse_notes_merge_strategy(strategy, &o.strategy)) {
+ error(_("unknown -s/--strategy: %s"), strategy);
+ usage_with_options(git_notes_merge_usage, options);
+ }
+ } else {
+ struct strbuf merge_key = STRBUF_INIT;
+ const char *short_ref = NULL;
+
+ if (!skip_prefix(o.local_ref, "refs/notes/", &short_ref))
+ BUG("local ref %s is outside of refs/notes/",
+ o.local_ref);
+
+ strbuf_addf(&merge_key, "notes.%s.mergeStrategy", short_ref);
+
+ if (git_config_get_notes_strategy(merge_key.buf, &o.strategy))
+ git_config_get_notes_strategy("notes.mergeStrategy", &o.strategy);
+
+ strbuf_release(&merge_key);
+ }
+
+ strbuf_addf(&msg, "notes: Merged notes from %s into %s",
+ remote_ref.buf, default_notes_ref());
+ strbuf_add(&(o.commit_msg), msg.buf + 7, msg.len - 7); /* skip "notes: " */
+
+ result = notes_merge(&o, t, &result_oid);
+
+ if (result >= 0) /* Merge resulted (trivially) in result_oid */
+ /* Update default notes ref with new commit */
+ update_ref(msg.buf, default_notes_ref(), &result_oid, NULL, 0,
+ UPDATE_REFS_DIE_ON_ERR);
+ else { /* Merge has unresolved conflicts */
+ struct worktree **worktrees;
+ const struct worktree *wt;
+ /* Update .git/NOTES_MERGE_PARTIAL with partial merge result */
+ update_ref(msg.buf, "NOTES_MERGE_PARTIAL", &result_oid, NULL,
+ 0, UPDATE_REFS_DIE_ON_ERR);
+ /* Store ref-to-be-updated into .git/NOTES_MERGE_REF */
+ worktrees = get_worktrees();
+ wt = find_shared_symref(worktrees, "NOTES_MERGE_REF",
+ default_notes_ref());
+ if (wt)
+ die(_("a notes merge into %s is already in-progress at %s"),
+ default_notes_ref(), wt->path);
+ free_worktrees(worktrees);
+ if (create_symref("NOTES_MERGE_REF", default_notes_ref(), NULL))
+ die(_("failed to store link to current notes ref (%s)"),
+ default_notes_ref());
+ fprintf(stderr, _("Automatic notes merge failed. Fix conflicts in %s "
+ "and commit the result with 'git notes merge --commit', "
+ "or abort the merge with 'git notes merge --abort'.\n"),
+ git_path(NOTES_MERGE_WORKTREE));
+ }
+
+ free_notes(t);
+ strbuf_release(&remote_ref);
+ strbuf_release(&msg);
+ return result < 0; /* return non-zero on conflicts */
+}
+
+#define IGNORE_MISSING 1
+
+static int remove_one_note(struct notes_tree *t, const char *name, unsigned flag)
+{
+ int status;
+ struct object_id oid;
+ if (get_oid(name, &oid))
+ return error(_("Failed to resolve '%s' as a valid ref."), name);
+ status = remove_note(t, oid.hash);
+ if (status)
+ fprintf(stderr, _("Object %s has no note\n"), name);
+ else
+ fprintf(stderr, _("Removing note for object %s\n"), name);
+ return (flag & IGNORE_MISSING) ? 0 : status;
+}
+
+static int remove_cmd(int argc, const char **argv, const char *prefix)
+{
+ unsigned flag = 0;
+ int from_stdin = 0;
+ struct option options[] = {
+ OPT_BIT(0, "ignore-missing", &flag,
+ N_("attempt to remove non-existent note is not an error"),
+ IGNORE_MISSING),
+ OPT_BOOL(0, "stdin", &from_stdin,
+ N_("read object names from the standard input")),
+ OPT_END()
+ };
+ struct notes_tree *t;
+ int retval = 0;
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_notes_remove_usage, 0);
+
+ t = init_notes_check("remove", NOTES_INIT_WRITABLE);
+
+ if (!argc && !from_stdin) {
+ retval = remove_one_note(t, "HEAD", flag);
+ } else {
+ while (*argv) {
+ retval |= remove_one_note(t, *argv, flag);
+ argv++;
+ }
+ }
+ if (from_stdin) {
+ struct strbuf sb = STRBUF_INIT;
+ while (strbuf_getwholeline(&sb, stdin, '\n') != EOF) {
+ strbuf_rtrim(&sb);
+ retval |= remove_one_note(t, sb.buf, flag);
+ }
+ strbuf_release(&sb);
+ }
+ if (!retval)
+ commit_notes(the_repository, t,
+ "Notes removed by 'git notes remove'");
+ free_notes(t);
+ return retval;
+}
+
+static int prune(int argc, const char **argv, const char *prefix)
+{
+ struct notes_tree *t;
+ int show_only = 0, verbose = 0;
+ struct option options[] = {
+ OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
+ OPT__VERBOSE(&verbose, N_("report pruned notes")),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options, git_notes_prune_usage,
+ 0);
+
+ if (argc) {
+ error(_("too many arguments"));
+ usage_with_options(git_notes_prune_usage, options);
+ }
+
+ t = init_notes_check("prune", NOTES_INIT_WRITABLE);
+
+ prune_notes(t, (verbose ? NOTES_PRUNE_VERBOSE : 0) |
+ (show_only ? NOTES_PRUNE_VERBOSE|NOTES_PRUNE_DRYRUN : 0) );
+ if (!show_only)
+ commit_notes(the_repository, t,
+ "Notes removed by 'git notes prune'");
+ free_notes(t);
+ return 0;
+}
+
+static int get_ref(int argc, const char **argv, const char *prefix)
+{
+ struct option options[] = { OPT_END() };
+ argc = parse_options(argc, argv, prefix, options,
+ git_notes_get_ref_usage, 0);
+
+ if (argc) {
+ error(_("too many arguments"));
+ usage_with_options(git_notes_get_ref_usage, options);
+ }
+
+ puts(default_notes_ref());
+ return 0;
+}
+
+int cmd_notes(int argc, const char **argv, const char *prefix)
+{
+ const char *override_notes_ref = NULL;
+ parse_opt_subcommand_fn *fn = NULL;
+ struct option options[] = {
+ OPT_STRING(0, "ref", &override_notes_ref, N_("notes-ref"),
+ N_("use notes from <notes-ref>")),
+ OPT_SUBCOMMAND("list", &fn, list),
+ OPT_SUBCOMMAND("add", &fn, add),
+ OPT_SUBCOMMAND("copy", &fn, copy),
+ OPT_SUBCOMMAND("append", &fn, append_edit),
+ OPT_SUBCOMMAND("edit", &fn, append_edit),
+ OPT_SUBCOMMAND("show", &fn, show),
+ OPT_SUBCOMMAND("merge", &fn, merge),
+ OPT_SUBCOMMAND("remove", &fn, remove_cmd),
+ OPT_SUBCOMMAND("prune", &fn, prune),
+ OPT_SUBCOMMAND("get-ref", &fn, get_ref),
+ OPT_END()
+ };
+
+ git_config(git_default_config, NULL);
+ argc = parse_options(argc, argv, prefix, options, git_notes_usage,
+ PARSE_OPT_SUBCOMMAND_OPTIONAL);
+ if (!fn) {
+ if (argc) {
+ error(_("unknown subcommand: `%s'"), argv[0]);
+ usage_with_options(git_notes_usage, options);
+ }
+ fn = list;
+ }
+
+ if (override_notes_ref) {
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addstr(&sb, override_notes_ref);
+ expand_notes_ref(&sb);
+ setenv("GIT_NOTES_REF", sb.buf, 1);
+ strbuf_release(&sb);
+ }
+
+ return !!fn(argc, argv, prefix);
+}