filter-branch: eliminate duplicate mapped parents

diff --git a/wt-status.c b/wt-status.c
index 9bf96c3af064bcc71ea62c97018312bd084e9273..86fec8986f3c22911a85a042704d4150ccb6a134 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -17,7 +17,7 @@
 #include "strbuf.h"
 #include "utf8.h"
 
-static char cut_line[] =
+static const char cut_line[] =
 "------------------------ >8 ------------------------\n";
 
 static char default_wt_status_colors[][COLOR_MAXLEN] = {
@@ -519,9 +519,19 @@ static void wt_status_collect_changes_index(struct wt_status *s)
        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
        setup_revisions(0, NULL, &rev, &opt);
 
+       DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
        if (s->ignore_submodule_arg) {
-               DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
+       } else {
+               /*
+                * Unless the user did explicitly request a submodule ignore
+                * mode by passing a command line option we do not ignore any
+                * changed submodule SHA-1s when comparing index and HEAD, no
+                * matter what is configured. Otherwise the user won't be
+                * shown any submodules she manually added (and which are
+                * staged to be committed), which would be really confusing.
+                */
+               handle_ignore_submodules_arg(&rev.diffopt, "dirty");
        }
 
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
@@ -841,6 +851,17 @@ void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
        strbuf_release(&pattern);
 }
 
+void wt_status_add_cut_line(FILE *fp)
+{
+       const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
+       struct strbuf buf = STRBUF_INIT;
+
+       fprintf(fp, "%c %s", comment_line_char, cut_line);
+       strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
+       fputs(buf.buf, fp);
+       strbuf_release(&buf);
+}
+
 static void wt_status_print_verbose(struct wt_status *s)
 {
        struct rev_info rev;
@@ -866,14 +887,8 @@ static void wt_status_print_verbose(struct wt_status *s)
         * diff before committing.
         */
        if (s->fp != stdout) {
-               const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
-               struct strbuf buf = STRBUF_INIT;
-
                rev.diffopt.use_color = 0;
-               fprintf(s->fp, "%c %s", comment_line_char, cut_line);
-               strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
-               fputs(buf.buf, s->fp);
-               strbuf_release(&buf);
+               wt_status_add_cut_line(s->fp);
        }
        run_diff_index(&rev, 1);
 }