return 0;
}
+struct branch_desc_cb {
+ const char *config_name;
+ const char *value;
+};
+
+static int read_branch_desc_cb(const char *var, const char *value, void *cb)
+{
+ struct branch_desc_cb *desc = cb;
+ if (strcmp(desc->config_name, var))
+ return 0;
+ free((char *)desc->value);
+ return git_config_string(&desc->value, var, value);
+}
+
+int read_branch_desc(struct strbuf *buf, const char *branch_name)
+{
+ struct branch_desc_cb cb;
+ struct strbuf name = STRBUF_INIT;
+ strbuf_addf(&name, "branch.%s.description", branch_name);
+ cb.config_name = name.buf;
+ cb.value = NULL;
+ if (git_config(read_branch_desc_cb, &cb) < 0) {
+ strbuf_release(&name);
+ return -1;
+ }
+ if (cb.value)
+ strbuf_addstr(buf, cb.value);
+ strbuf_release(&name);
+ return 0;
+}
+
int validate_new_branchname(const char *name, struct strbuf *ref,
int force, int attr_only)
{
void create_branch(const char *head,
const char *name, const char *start_name,
- int force, int reflog, enum branch_track track)
+ int force, int reflog, int clobber_head,
+ enum branch_track track)
{
struct ref_lock *lock = NULL;
struct commit *commit;
explicit_tracking = 1;
if (validate_new_branchname(name, &ref, force,
- track == BRANCH_TRACK_OVERRIDE)) {
+ track == BRANCH_TRACK_OVERRIDE ||
+ clobber_head)) {
if (!force)
dont_change_ref = 1;
else
branch->merge[0] &&
branch->merge[0]->dst &&
(reference_name =
- resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL)
+ resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL) {
+ reference_name = xstrdup(reference_name);
reference_rev = lookup_commit_reference(sha1);
+ }
}
if (!reference_rev)
reference_rev = head_rev;
" '%s', even though it is merged to HEAD."),
name, reference_name);
}
+ free((char *)reference_name);
return merged;
}
free(name);
name = xstrdup(mkpath(fmt, bname.buf));
- if (!resolve_ref(name, sha1, 1, NULL)) {
+ if (read_ref(name, sha1)) {
error(_("%sbranch '%s' not found."),
remote, bname.buf);
ret = 1;
static void rename_branch(const char *oldname, const char *newname, int force)
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
- unsigned char sha1[20];
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
int recovery = 0;
+ int clobber_head_ok;
if (!oldname)
die(_("cannot rename the current branch while not on any."));
* Bad name --- this could be an attempt to rename a
* ref that we used to allow to be created by accident.
*/
- if (resolve_ref(oldref.buf, sha1, 1, NULL))
+ if (ref_exists(oldref.buf))
recovery = 1;
else
die(_("Invalid branch name: '%s'"), oldname);
}
- validate_new_branchname(newname, &newref, force, 0);
+ /*
+ * A command like "git branch -M currentbranch currentbranch" cannot
+ * cause the worktree to become inconsistent with HEAD, so allow it.
+ */
+ clobber_head_ok = !strcmp(oldname, newname);
+
+ validate_new_branchname(newname, &newref, force, clobber_head_ok);
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
return 0;
}
+static const char edit_description[] = "BRANCH_DESCRIPTION";
+
+static int edit_branch_description(const char *branch_name)
+{
+ FILE *fp;
+ int status;
+ struct strbuf buf = STRBUF_INIT;
+ struct strbuf name = STRBUF_INIT;
+
+ read_branch_desc(&buf, branch_name);
+ if (!buf.len || buf.buf[buf.len-1] != '\n')
+ strbuf_addch(&buf, '\n');
+ strbuf_addf(&buf,
+ "# Please edit the description for the branch\n"
+ "# %s\n"
+ "# Lines starting with '#' will be stripped.\n",
+ branch_name);
+ fp = fopen(git_path(edit_description), "w");
+ if ((fwrite(buf.buf, 1, buf.len, fp) < buf.len) || fclose(fp)) {
+ strbuf_release(&buf);
+ return error(_("could not write branch description template: %s\n"),
+ strerror(errno));
+ }
+ strbuf_reset(&buf);
+ if (launch_editor(git_path(edit_description), &buf, NULL)) {
+ strbuf_release(&buf);
+ return -1;
+ }
+ stripspace(&buf, 1);
+
+ strbuf_addf(&name, "branch.%s.description", branch_name);
+ status = git_config_set(name.buf, buf.buf);
+ strbuf_release(&name);
+ strbuf_release(&buf);
+
+ return status;
+}
+
int cmd_branch(int argc, const char **argv, const char *prefix)
{
int delete = 0, rename = 0, force_create = 0, list = 0;
int verbose = 0, abbrev = -1, detached = 0;
- int reflog = 0;
+ int reflog = 0, edit_description = 0;
enum branch_track track;
int kinds = REF_LOCAL_BRANCH;
struct commit_list *with_commit = NULL;
OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2),
OPT_BOOLEAN(0, "list", &list, "list branch names"),
OPT_BOOLEAN('l', "create-reflog", &reflog, "create the branch's reflog"),
+ OPT_BOOLEAN(0, "edit-description", &edit_description,
+ "edit the description for the branch"),
OPT__FORCE(&force_create, "force creation (when already exists)"),
{
OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref,
argc = parse_options(argc, argv, prefix, options, builtin_branch_usage,
0);
- if (!delete && !rename && !force_create && argc == 0)
+ if (!delete && !rename && !edit_description && argc == 0)
list = 1;
if (!!delete + !!rename + !!force_create + !!list > 1)
else if (list)
return print_ref_list(kinds, detached, verbose, abbrev,
with_commit, argv);
- else if (rename) {
+ else if (edit_description) {
+ const char *branch_name;
+ if (detached)
+ die("Cannot give description to detached HEAD");
+ if (!argc)
+ branch_name = head;
+ else if (argc == 1)
+ branch_name = argv[0];
+ else
+ usage_with_options(builtin_branch_usage, options);
+ if (edit_branch_description(branch_name))
+ return 1;
+ } else if (rename) {
if (argc == 1)
rename_branch(head, argv[0], rename > 1);
else if (argc == 2)
rename_branch(argv[0], argv[1], rename > 1);
else
usage_with_options(builtin_branch_usage, options);
- } else if (argc <= 2) {
+ } else if (argc > 0 && argc <= 2) {
if (kinds != REF_LOCAL_BRANCH)
die(_("-a and -r options to 'git branch' do not make sense with a branch name"));
create_branch(head, argv[0], (argc == 2) ? argv[1] : head,
- force_create, reflog, track);
+ force_create, reflog, 0, track);
} else
usage_with_options(builtin_branch_usage, options);
commit_locked_index(lock_file))
die(_("unable to write new index file"));
- resolve_ref("HEAD", rev, 0, &flag);
+ read_ref_full("HEAD", rev, 0, &flag);
head = lookup_commit_reference_gently(rev, 1);
errs |= post_checkout_hook(head, head, 0);
topts.fn = twoway_merge;
topts.dir = xcalloc(1, sizeof(*topts.dir));
topts.dir->flags |= DIR_SHOW_IGNORED;
- topts.dir->exclude_per_dir = ".gitignore";
+ setup_standard_excludes(topts.dir);
tree = parse_tree_indirect(old->commit ?
old->commit->object.sha1 :
EMPTY_TREE_SHA1_BIN);
else
create_branch(old->name, opts->new_branch, new->name,
opts->new_branch_force ? 1 : 0,
- opts->new_branch_log, opts->track);
+ opts->new_branch_log,
+ opts->new_branch_force ? 1 : 0,
+ opts->track);
new->name = opts->new_branch;
setup_branch_path(new);
}
create_symref("HEAD", new->path, msg.buf);
if (!opts->quiet) {
if (old->path && !strcmp(new->path, old->path)) {
- fprintf(stderr, _("Already on '%s'\n"),
- new->name);
+ if (opts->new_branch_force)
+ fprintf(stderr, _("Reset branch '%s'\n"),
+ new->name);
+ else
+ fprintf(stderr, _("Already on '%s'\n"),
+ new->name);
} else if (opts->new_branch) {
if (opts->branch_exists)
fprintf(stderr, _("Switched to and reset branch '%s'\n"), new->name);
unsigned char rev[20];
int flag;
memset(&old, 0, sizeof(old));
- old.path = xstrdup(resolve_ref("HEAD", rev, 0, &flag));
+ old.path = resolve_ref("HEAD", rev, 0, &flag);
+ if (old.path)
+ old.path = xstrdup(old.path);
old.commit = lookup_commit_reference_gently(rev, 1);
if (!(flag & REF_ISSYMREF)) {
free((char *)old.path);
setup_branch_path(new);
if (!check_refname_format(new->path, 0) &&
- resolve_ref(new->path, branch_rev, 1, NULL))
+ !read_ref(new->path, branch_rev))
hashcpy(rev, branch_rev);
else
new->path = NULL; /* not an existing branch */
struct strbuf buf = STRBUF_INIT;
opts.branch_exists = validate_new_branchname(opts.new_branch, &buf,
- !!opts.new_branch_force, 0);
+ !!opts.new_branch_force,
+ !!opts.new_branch_force);
strbuf_release(&buf);
}