reflog expire: cover reflog from all worktrees

diff --git a/builtin/log.c b/builtin/log.c
index df4201131284317948de938242c22d9862c0ffbb..1dbb9d829bffcb25739737783c4fd4fd734f5940 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -33,6 +33,7 @@
 #include "repository.h"
 #include "commit-reach.h"
 #include "interdiff.h"
+#include "range-diff.h"
 
 #define MAIL_DEFAULT_WRAP 72
 
@@ -994,7 +995,7 @@ static char *find_branch_name(struct rev_info *rev)
        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;
@@ -1090,6 +1091,12 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
                fprintf_ln(rev->diffopt.file, "%s", rev->idiff_title);
                show_interdiff(rev, 0);
        }
+
+       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)
@@ -1439,6 +1446,26 @@ static const char *diff_title(struct strbuf *sb, int reroll_count,
        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;
@@ -1468,6 +1495,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        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,
@@ -1544,6 +1576,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                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()
        };
 
@@ -1728,7 +1764,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                /* 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)
+                       if (oideq(&o[0].item->oid, &o[1].item->oid))
                                goto done;
                }
                get_patch_ids(&rev, &ids);
@@ -1776,6 +1812,25 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                                             _("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) {
@@ -1813,8 +1868,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                print_signature(rev.diffopt.file);
                total++;
                start_number--;
-               /* interdiff in cover-letter; omit from patches */
+               /* interdiff/range-diff in cover-letter; omit from patches */
                rev.idiff_oid1 = NULL;
+               rev.rdiff1 = NULL;
        }
        rev.add_signoff = do_signoff;
 
@@ -1899,6 +1955,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 done:
        oid_array_clear(&idiff_prev);
        strbuf_release(&idiff_title);
+       strbuf_release(&rdiff1);
+       strbuf_release(&rdiff2);
+       strbuf_release(&rdiff_title);
        return 0;
 }
 
@@ -1990,7 +2049,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
        /* 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;
        }