[PATCH v3 5/5] branch: show more information when HEAD is detached
From: Nguyễn Thái Ngọc Duy <hidden>
Date: 2016-06-15 22:56:23
Subsystem:
the rest · Maintainer:
Linus Torvalds
This prints more helpful info when HEAD is detached: is it detached because of bisect or rebase? What is the original branch name in those cases? Is it detached because the user checks out a remote ref or a tag (and which one)? Signed-off-by: Nguyễn Thái Ngọc Duy <redacted> --- builtin/branch.c | 26 +++++++++++++++++++++++++- t/t3203-branch-output.sh | 6 +++--- t/t6030-bisect-porcelain.sh | 2 +- 3 files changed, 29 insertions(+), 5 deletions(-)
diff --git a/builtin/branch.c b/builtin/branch.c
index 00d17d2..2ab0e4f 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c@@ -18,6 +18,7 @@ #include "string-list.h" #include "column.h" #include "utf8.h" +#include "wt-status.h" static const char * const builtin_branch_usage[] = { N_("git branch [options] [-r | -a] [--merged | --no-merged]"),
@@ -550,6 +551,29 @@ static int calc_maxwidth(struct ref_list *refs) return w; } +static char *get_head_description(void) +{ + struct strbuf desc = STRBUF_INIT; + struct wt_status_state state; + memset(&state, 0, sizeof(state)); + wt_status_get_state(&state, 1); + if (state.rebase_in_progress || + state.rebase_interactive_in_progress) + strbuf_addf(&desc, _("(no branch, rebasing %s)"), + state.branch); + else if (state.bisect_in_progress) + strbuf_addf(&desc, _("(no branch, bisecting %s)"), + state.branch); + else if (state.detached_from) + strbuf_addf(&desc, _("(detached from %s)"), + state.detached_from); + else + strbuf_addstr(&desc, _("(no branch)")); + free(state.branch); + free(state.onto); + free(state.detached_from); + return strbuf_detach(&desc, NULL); +} static void show_detached(struct ref_list *ref_list) {
@@ -557,7 +581,7 @@ static void show_detached(struct ref_list *ref_list) if (head_commit && is_descendant_of(head_commit, ref_list->with_commit)) { struct ref_item item; - item.name = xstrdup(_("(no branch)")); + item.name = get_head_description(); item.width = utf8_strwidth(item.name); item.kind = REF_LOCAL_BRANCH; item.dest = NULL;
diff --git a/t/t3203-branch-output.sh b/t/t3203-branch-output.sh
index 76fe7e0..ba4f98e 100755
--- a/t/t3203-branch-output.sh
+++ b/t/t3203-branch-output.sh@@ -94,13 +94,13 @@ test_expect_success 'git branch -v pattern does not show branch summaries' ' test_must_fail git branch -v branch* ' -cat >expect <<'EOF' -* (no branch) +test_expect_success 'git branch shows detached HEAD properly' ' + cat >expect <<EOF && +* (detached from $(git rev-parse --short HEAD^0)) branch-one branch-two master EOF -test_expect_success 'git branch shows detached HEAD properly' ' git checkout HEAD^0 && git branch >actual && test_i18ncmp expect actual
diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh
index 3e0e15f..9b6f0d0 100755
--- a/t/t6030-bisect-porcelain.sh
+++ b/t/t6030-bisect-porcelain.sh@@ -164,7 +164,7 @@ test_expect_success 'bisect start: existing ".git/BISECT_START" not modified if cp .git/BISECT_START saved && test_must_fail git bisect start $HASH4 foo -- && git branch > branch.output && - test_i18ngrep "* (no branch)" branch.output > /dev/null && + test_i18ngrep "* (no branch, bisecting other)" branch.output > /dev/null && test_cmp saved .git/BISECT_START ' test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' '
--
1.8.1.2.536.gf441e6d