#include "progress.h"
#include "commit-slab.h"
#include "repository.h"
+#include "commit-reach.h"
+#include "interdiff.h"
+#include "range-diff.h"
#define MAIL_DEFAULT_WRAP 72
tip_oid = &rev->cmdline.rev[positive].item->oid;
if (dwim_ref(ref, strlen(ref), &branch_oid, &full_ref) &&
skip_prefix(full_ref, "refs/heads/", &v) &&
- !oidcmp(tip_oid, &branch_oid))
+ oideq(tip_oid, &branch_oid))
branch = xstrdup(v);
free(full_ref);
return branch;
}
+static void show_diffstat(struct rev_info *rev,
+ struct commit *origin, struct commit *head)
+{
+ struct diff_options opts;
+
+ memcpy(&opts, &rev->diffopt, sizeof(opts));
+ opts.output_format = DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
+ opts.stat_width = MAIL_DEFAULT_WRAP;
+
+ diff_setup_done(&opts);
+
+ diff_tree_oid(get_commit_tree_oid(origin),
+ get_commit_tree_oid(head),
+ "", &opts);
+ diffcore_std(&opts);
+ diff_flush(&opts);
+
+ fprintf(rev->diffopt.file, "\n");
+}
+
static void make_cover_letter(struct rev_info *rev, int use_stdout,
struct commit *origin,
int nr, struct commit **list,
struct strbuf sb = STRBUF_INIT;
int i;
const char *encoding = "UTF-8";
- struct diff_options opts;
int need_8bit_cte = 0;
struct pretty_print_context pp = {0};
struct commit *head = list[0];
shortlog_output(&log);
- /*
- * We can only do diffstat with a unique reference point
- */
- if (!origin)
- return;
-
- memcpy(&opts, &rev->diffopt, sizeof(opts));
- opts.output_format = DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
- opts.stat_width = MAIL_DEFAULT_WRAP;
+ /* We can only do diffstat with a unique reference point */
+ if (origin)
+ show_diffstat(rev, origin, head);
- diff_setup_done(&opts);
-
- diff_tree_oid(get_commit_tree_oid(origin),
- get_commit_tree_oid(head),
- "", &opts);
- diffcore_std(&opts);
- diff_flush(&opts);
+ if (rev->idiff_oid1) {
+ fprintf_ln(rev->diffopt.file, "%s", rev->idiff_title);
+ show_interdiff(rev, 0);
+ }
- fprintf(rev->diffopt.file, "\n");
+ if (rev->rdiff1) {
+ fprintf_ln(rev->diffopt.file, "%s", rev->rdiff_title);
+ 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 *origin,
+ struct commit *head)
+{
+ const char *head_oid = oid_to_hex(&head->object.oid);
+
+ if (!strstr(prev, "..")) {
+ strbuf_addf(r1, "%s..%s", head_oid, prev);
+ strbuf_addf(r2, "%s..%s", prev, head_oid);
+ } else if (!origin) {
+ die(_("failed to infer range-diff ranges"));
+ } else {
+ strbuf_addstr(r1, prev);
+ strbuf_addf(r2, "%s..%s",
+ oid_to_hex(&origin->object.oid), 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;
+ struct strbuf rdiff_title = STRBUF_INIT;
+ int creation_factor = -1;
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 or single patch")),
+ OPT_INTEGER(0, "creation-factor", &creation_factor,
+ N_("percentage by which creation is weighted")),
OPT_END()
};
/* Don't say anything if head and upstream are the same. */
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;
+ if (oideq(&o[0].item->oid, &o[1].item->oid))
+ 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 (creation_factor < 0)
+ creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT;
+ else if (!rdiff_prev)
+ die(_("--creation-factor requires --range-diff"));
+
+ if (rdiff_prev) {
+ if (!cover_letter && total != 1)
+ die(_("--range-diff requires --cover-letter or single patch"));
+
+ infer_range_diff_ranges(&rdiff1, &rdiff2, rdiff_prev,
+ origin, list[0]);
+ rev.rdiff1 = rdiff1.buf;
+ rev.rdiff2 = rdiff2.buf;
+ rev.creation_factor = creation_factor;
+ rev.rdiff_title = diff_title(&rdiff_title, reroll_count,
+ _("Range-diff:"),
+ _("Range-diff against v%d:"));
+ }
+
if (!signature) {
; /* --no-signature inhibits all signatures */
} else if (signature && signature != git_version_string) {
print_signature(rev.diffopt.file);
total++;
start_number--;
+ /* interdiff/range-diff in cover-letter; omit from patches */
+ rev.idiff_oid1 = NULL;
+ rev.rdiff1 = 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);
+ strbuf_release(&rdiff_title);
return 0;
}
/* Don't say anything if head and upstream are the same. */
if (revs.pending.nr == 2) {
struct object_array_entry *o = revs.pending.objects;
- if (oidcmp(&o[0].item->oid, &o[1].item->oid) == 0)
+ if (oideq(&o[0].item->oid, &o[1].item->oid))
return 0;
}