status: be prepared for not-yet-started interactive rebase

Some developers might want to call `git status` in a working
directory where they just started an interactive rebase, but the
edit script is still opened in the editor.

Let's show a meaningful message in such cases.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin
2017-01-26 17:08:41 +01:00
committed by Junio C Hamano
parent c3808ca698
commit df9ded4984
2 changed files with 29 additions and 4 deletions

View File

@ -1072,14 +1072,17 @@ static void abbrev_sha1_in_line(struct strbuf *line)
strbuf_list_free(split);
}
static void read_rebase_todolist(const char *fname, struct string_list *lines)
static int read_rebase_todolist(const char *fname, struct string_list *lines)
{
struct strbuf line = STRBUF_INIT;
FILE *f = fopen(git_path("%s", fname), "r");
if (!f)
if (!f) {
if (errno == ENOENT)
return -1;
die_errno("Could not open file %s for reading",
git_path("%s", fname));
}
while (!strbuf_getline_lf(&line, f)) {
if (line.len && line.buf[0] == comment_line_char)
continue;
@ -1089,6 +1092,7 @@ static void read_rebase_todolist(const char *fname, struct string_list *lines)
abbrev_sha1_in_line(&line);
string_list_append(lines, line.buf);
}
return 0;
}
static void show_rebase_information(struct wt_status *s,
@ -1103,8 +1107,10 @@ static void show_rebase_information(struct wt_status *s,
struct string_list yet_to_do = STRING_LIST_INIT_DUP;
read_rebase_todolist("rebase-merge/done", &have_done);
read_rebase_todolist("rebase-merge/git-rebase-todo", &yet_to_do);
if (read_rebase_todolist("rebase-merge/git-rebase-todo",
&yet_to_do))
status_printf_ln(s, color,
_("git-rebase-todo is missing."));
if (have_done.nr == 0)
status_printf_ln(s, color, _("No commands done."));
else {