#include "gpg-interface.h"
#include "progress.h"
#include "commit-slab.h"
+#include "repository.h"
+#include "interdiff.h"
+#include "range-diff.h"
#define MAIL_DEFAULT_WRAP 72
rev.shown_one = 1;
if (ret)
break;
- o = parse_object(&t->tagged->oid);
+ o = parse_object(the_repository, &t->tagged->oid);
if (!o)
ret = error(_("Could not read object %s"),
oid_to_hex(&t->tagged->oid));
o2 = rev->pending.objects[1].item;
flags1 = o1->flags;
flags2 = o2->flags;
- c1 = lookup_commit_reference(&o1->oid);
- c2 = lookup_commit_reference(&o2->oid);
+ c1 = lookup_commit_reference(the_repository, &o1->oid);
+ c2 = lookup_commit_reference(the_repository, &o2->oid);
if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
die(_("Not a range."));
/* We can only do diffstat with a unique reference point */
if (origin)
show_diffstat(rev, origin, head);
+
+ if (rev->idiff_oid1) {
+ fprintf_ln(rev->diffopt.file, "%s", rev->idiff_title);
+ show_interdiff(rev, 0);
+ }
+
+ if (rev->rdiff1) {
+ fprintf_ln(rev->diffopt.file, "%s", _("Range-diff:"));
+ show_range_diff(rev->rdiff1, rev->rdiff2,
+ rev->creation_factor, 1, &rev->diffopt);
+ }
}
static const char *clean_message_id(const char *msg_id)
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;
+}
+
+static void infer_range_diff_ranges(struct strbuf *r1,
+ struct strbuf *r2,
+ const char *prev,
+ struct commit *head)
+{
+ const char *head_oid = oid_to_hex(&head->object.oid);
+
+ strbuf_addf(r1, "%s..%s", head_oid, prev);
+ strbuf_addf(r2, "%s..%s", prev, head_oid);
+}
+
int cmd_format_patch(int argc, const char **argv, const char *prefix)
{
struct commit *commit;
struct base_tree_info bases;
int show_progress = 0;
struct progress *progress = NULL;
+ struct oid_array idiff_prev = OID_ARRAY_INIT;
+ struct strbuf idiff_title = STRBUF_INIT;
+ const char *rdiff_prev = NULL;
+ struct strbuf rdiff1 = STRBUF_INIT;
+ struct strbuf rdiff2 = STRBUF_INIT;
const struct option builtin_format_patch_options[] = {
{ OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
OPT__QUIET(&quiet, N_("don't print the patch filenames")),
OPT_BOOL(0, "progress", &show_progress,
N_("show progress while generating patches")),
+ OPT_CALLBACK(0, "interdiff", &idiff_prev, N_("rev"),
+ N_("show changes against <rev> in cover letter or single patch"),
+ parse_opt_object_name),
+ OPT_STRING(0, "range-diff", &rdiff_prev, N_("refspec"),
+ N_("show changes against <refspec> in cover letter")),
OPT_END()
};
if (rev.pending.nr == 2) {
struct object_array_entry *o = rev.pending.objects;
if (oidcmp(&o[0].item->oid, &o[1].item->oid) == 0)
- return 0;
+ goto done;
}
get_patch_ids(&rev, &ids);
}
}
if (nr == 0)
/* nothing to do */
- return 0;
+ goto done;
total = nr;
if (cover_letter == -1) {
if (config_cover_letter == COVER_AUTO)
if (numbered)
rev.total = total + start_number - 1;
+ if (idiff_prev.nr) {
+ if (!cover_letter && total != 1)
+ die(_("--interdiff requires --cover-letter or single patch"));
+ 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 (rdiff_prev) {
+ if (!cover_letter)
+ die(_("--range-diff requires --cover-letter"));
+
+ infer_range_diff_ranges(&rdiff1, &rdiff2, rdiff_prev, list[0]);
+ rev.rdiff1 = rdiff1.buf;
+ rev.rdiff2 = rdiff2.buf;
+ rev.creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT;
+ }
+
if (!signature) {
; /* --no-signature inhibits all signatures */
} else if (signature && signature != git_version_string) {
print_signature(rev.diffopt.file);
total++;
start_number--;
+ /* interdiff in cover-letter; omit from patches */
+ rev.idiff_oid1 = NULL;
}
rev.add_signoff = do_signoff;
string_list_clear(&extra_hdr, 0);
if (ignore_if_in_upstream)
free_patch_ids(&ids);
+
+done:
+ oid_array_clear(&idiff_prev);
+ strbuf_release(&idiff_title);
+ strbuf_release(&rdiff1);
+ strbuf_release(&rdiff2);
return 0;
}
{
struct object_id oid;
if (get_oid(arg, &oid) == 0) {
- struct commit *commit = lookup_commit_reference(&oid);
+ struct commit *commit = lookup_commit_reference(the_repository,
+ &oid);
if (commit) {
commit->object.flags |= flags;
add_pending_object(revs, &commit->object, arg);