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>
diff --git a/wt-status.c b/wt-status.c
index 7004a2d..1dd2026 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -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 {
