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Diffstat (limited to 'builtin/log.c')
-rw-r--r--builtin/log.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/builtin/log.c b/builtin/log.c
index 1020b78477..99ddfe8bb0 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1085,7 +1085,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
show_diffstat(rev, origin, head);
if (rev->idiff_oid1) {
- fprintf_ln(rev->diffopt.file, "%s", _("Interdiff:"));
+ fprintf_ln(rev->diffopt.file, "%s", rev->idiff_title);
show_interdiff(rev);
}
}
@@ -1427,6 +1427,16 @@ static void print_bases(struct base_tree_info *bases, FILE *file)
oidclr(&bases->base_commit);
}
+static const char *diff_title(struct strbuf *sb, int reroll_count,
+ const char *generic, const char *rerolled)
+{
+ if (reroll_count <= 0)
+ strbuf_addstr(sb, generic);
+ else /* RFC may be v0, so allow -v1 to diff against v0 */
+ strbuf_addf(sb, rerolled, reroll_count - 1);
+ return sb->buf;
+}
+
int cmd_format_patch(int argc, const char **argv, const char *prefix)
{
struct commit *commit;
@@ -1455,6 +1465,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
int show_progress = 0;
struct progress *progress = NULL;
struct oid_array idiff_prev = OID_ARRAY_INIT;
+ struct strbuf idiff_title = STRBUF_INIT;
const struct option builtin_format_patch_options[] = {
{ OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
@@ -1758,6 +1769,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
die(_("--interdiff requires --cover-letter"));
rev.idiff_oid1 = &idiff_prev.oid[idiff_prev.nr - 1];
rev.idiff_oid2 = get_commit_tree_oid(list[0]);
+ rev.idiff_title = diff_title(&idiff_title, reroll_count,
+ _("Interdiff:"),
+ _("Interdiff against v%d:"));
}
if (!signature) {
@@ -1880,6 +1894,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
done:
oid_array_clear(&idiff_prev);
+ strbuf_release(&idiff_title);
return 0;
}