Hi Ralf,

On Tue, 6 Sep 2016, Ralf Thielow wrote:

> today I accidentally triggered a "fatal" using interactive rebase.
> If you edit the instruction sheet after 'rebase -i' and add an unknown
> command, Git stops because it doesn't know the command.
> That's fine, however, now we are in a state where 'git status' fails with
> interactive rebase in progress; onto 311f279
> fatal: Could not open file .git/rebase-merge/done for reading: No such
> file or directory

There was some discussion revolving around this (IIRC Matthieu was
involved, hence I Cc:ed him) and I was under the impression that we fixed
the status code not to assume the presence of the "done" file.

Apparently I was wrong...

So, something like this should help (if you are interested in seeing this
patch included, please run with it, as I am running short on time):

-- snipsnap --
diff --git a/wt-status.c b/wt-status.c
index 6225a2d..8e4d999 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -1072,14 +1072,17 @@ static void abbrev_sha1_in_line(struct strbuf *line)
-static void read_rebase_todolist(const char *fname, struct string_list *lines)
+static void read_rebase_todolist(const char *fname, struct string_list *lines, 
int gently)
        struct strbuf line = STRBUF_INIT;
        FILE *f = fopen(git_path("%s", fname), "r");
-       if (!f)
+       if (!f) {
+               if (gently)
+                       return;
                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)
@@ -1102,8 +1105,8 @@ static void show_rebase_information(struct wt_status *s,
                struct string_list have_done = STRING_LIST_INIT_DUP;
                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",
+               read_rebase_todolist("rebase-merge/done", &have_done, 1);
+               read_rebase_todolist("rebase-merge/git-rebase-todo", 
&yet_to_do, 0);
                if (have_done.nr == 0)
                        status_printf_ln(s, color, _("No commands done."));

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