зеркало из https://github.com/microsoft/git.git
branch: introduce --show-current display option
When called with --show-current, git branch will print the current branch name and terminate. Only the actual name gets printed, without refs/heads. In detached HEAD state, nothing is output. Intended both for scripting and interactive/informative use. Unlike git branch --list, no filtering is needed to just get the branch name. Signed-off-by: Daniels Umanovskis <daniels@umanovskis.se> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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5a0cc8aca7
Коммит
0ecb1fc726
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@ -9,7 +9,7 @@ SYNOPSIS
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--------
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[verse]
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'git branch' [--color[=<when>] | --no-color] [-r | -a]
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[--list] [-v [--abbrev=<length> | --no-abbrev]]
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[--list] [--show-current] [-v [--abbrev=<length> | --no-abbrev]]
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[--column[=<options>] | --no-column] [--sort=<key>]
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[(--merged | --no-merged) [<commit>]]
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[--contains [<commit]] [--no-contains [<commit>]]
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@ -160,6 +160,10 @@ This option is only applicable in non-verbose mode.
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branch --list 'maint-*'`, list only the branches that match
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the pattern(s).
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--show-current::
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Print the name of the current branch. In detached HEAD state,
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nothing is printed.
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-v::
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-vv::
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--verbose::
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@ -443,6 +443,21 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin
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free(to_free);
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}
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static void print_current_branch_name(void)
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{
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int flags;
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const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, &flags);
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const char *shortname;
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if (!refname)
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die(_("could not resolve HEAD"));
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else if (!(flags & REF_ISSYMREF))
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return;
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else if (skip_prefix(refname, "refs/heads/", &shortname))
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puts(shortname);
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else
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die(_("HEAD (%s) points outside of refs/heads/"), refname);
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}
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static void reject_rebase_or_bisect_branch(const char *target)
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{
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struct worktree **worktrees = get_worktrees(0);
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@ -581,6 +596,7 @@ static int edit_branch_description(const char *branch_name)
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int cmd_branch(int argc, const char **argv, const char *prefix)
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{
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int delete = 0, rename = 0, copy = 0, force = 0, list = 0;
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int show_current = 0;
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int reflog = 0, edit_description = 0;
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int quiet = 0, unset_upstream = 0;
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const char *new_upstream = NULL;
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@ -620,6 +636,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
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OPT_BIT('c', "copy", ©, N_("copy a branch and its reflog"), 1),
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OPT_BIT('C', NULL, ©, N_("copy a branch, even if target exists"), 2),
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OPT_BOOL('l', "list", &list, N_("list branch names")),
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OPT_BOOL(0, "show-current", &show_current, N_("show current branch name")),
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OPT_BOOL(0, "create-reflog", &reflog, N_("create the branch's reflog")),
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OPT_BOOL(0, "edit-description", &edit_description,
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N_("edit the description for the branch")),
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@ -662,14 +679,15 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
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argc = parse_options(argc, argv, prefix, options, builtin_branch_usage,
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0);
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if (!delete && !rename && !copy && !edit_description && !new_upstream && !unset_upstream && argc == 0)
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if (!delete && !rename && !copy && !edit_description && !new_upstream &&
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!show_current && !unset_upstream && argc == 0)
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list = 1;
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if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr ||
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filter.no_commit)
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list = 1;
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if (!!delete + !!rename + !!copy + !!new_upstream +
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if (!!delete + !!rename + !!copy + !!new_upstream + !!show_current +
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list + unset_upstream > 1)
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usage_with_options(builtin_branch_usage, options);
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@ -697,6 +715,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
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if (!argc)
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die(_("branch name required"));
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return delete_branches(argc, argv, delete > 1, filter.kind, quiet);
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} else if (show_current) {
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print_current_branch_name();
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return 0;
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} else if (list) {
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/* git branch --local also shows HEAD when it is detached */
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if ((filter.kind & FILTER_REFS_BRANCHES) && filter.detached)
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@ -100,6 +100,50 @@ test_expect_success 'git branch -v pattern does not show branch summaries' '
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test_must_fail git branch -v branch*
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'
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test_expect_success 'git branch `--show-current` shows current branch' '
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cat >expect <<-\EOF &&
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branch-two
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EOF
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git checkout branch-two &&
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git branch --show-current >actual &&
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test_cmp expect actual
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'
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test_expect_success 'git branch `--show-current` is silent when detached HEAD' '
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git checkout HEAD^0 &&
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git branch --show-current >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'git branch `--show-current` works properly when tag exists' '
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cat >expect <<-\EOF &&
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branch-and-tag-name
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EOF
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test_when_finished "
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git checkout branch-one
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git branch -D branch-and-tag-name
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" &&
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git checkout -b branch-and-tag-name &&
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test_when_finished "git tag -d branch-and-tag-name" &&
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git tag branch-and-tag-name &&
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git branch --show-current >actual &&
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test_cmp expect actual
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'
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test_expect_success 'git branch `--show-current` works properly with worktrees' '
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cat >expect <<-\EOF &&
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branch-one
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branch-two
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EOF
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git checkout branch-one &&
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git worktree add worktree branch-two &&
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{
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git branch --show-current &&
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git -C worktree branch --show-current
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} >actual &&
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test_cmp expect actual
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'
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test_expect_success 'git branch shows detached HEAD properly' '
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cat >expect <<EOF &&
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* (HEAD detached at $(git rev-parse --short HEAD^0))
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