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Merge branch 'du/branch-show-current'

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"git branch" learned a new subcommand "--show-current".

* du/branch-show-current:
  branch: introduce --show-current display option
This commit is contained in:
Junio C Hamano
2019-03-07 09:59:53 +09:00
parent 26e3ddcd75 0ecb1fc726
commit 3710f60a80
3 changed files with 72 additions and 3 deletions
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25
builtin/branch.c
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@ -443,6 +443,21 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin
free(to_free);
}
static void print_current_branch_name(void)
{
int flags;
const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, &flags);
const char *shortname;
if (!refname)
die(_("could not resolve HEAD"));
else if (!(flags & REF_ISSYMREF))
return;
else if (skip_prefix(refname, "refs/heads/", &shortname))
puts(shortname);
else
die(_("HEAD (%s) points outside of refs/heads/"), refname);
}
static void reject_rebase_or_bisect_branch(const char *target)
{
struct worktree **worktrees = get_worktrees(0);
@ -581,6 +596,7 @@ static int edit_branch_description(const char *branch_name)
int cmd_branch(int argc, const char **argv, const char *prefix)
{
int delete = 0, rename = 0, copy = 0, force = 0, list = 0;
int show_current = 0;
int reflog = 0, edit_description = 0;
int quiet = 0, unset_upstream = 0;
const char *new_upstream = NULL;
@ -620,6 +636,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
OPT_BIT('c', "copy", &copy, N_("copy a branch and its reflog"), 1),
OPT_BIT('C', NULL, &copy, N_("copy a branch, even if target exists"), 2),
OPT_BOOL('l', "list", &list, N_("list branch names")),
OPT_BOOL(0, "show-current", &show_current, N_("show current branch name")),
OPT_BOOL(0, "create-reflog", &reflog, N_("create the branch's reflog")),
OPT_BOOL(0, "edit-description", &edit_description,
N_("edit the description for the branch")),
@ -662,14 +679,15 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options, builtin_branch_usage,
0);
if (!delete && !rename && !copy && !edit_description && !new_upstream && !unset_upstream && argc == 0)
if (!delete && !rename && !copy && !edit_description && !new_upstream &&
!show_current && !unset_upstream && argc == 0)
list = 1;
if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr ||
filter.no_commit)
list = 1;
if (!!delete + !!rename + !!copy + !!new_upstream +
if (!!delete + !!rename + !!copy + !!new_upstream + !!show_current +
list + unset_upstream > 1)
usage_with_options(builtin_branch_usage, options);
@ -697,6 +715,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
if (!argc)
die(_("branch name required"));
return delete_branches(argc, argv, delete > 1, filter.kind, quiet);
} else if (show_current) {
print_current_branch_name();
return 0;
} else if (list) {
/* git branch --local also shows HEAD when it is detached */
if ((filter.kind & FILTER_REFS_BRANCHES) && filter.detached)