diff options
| -rw-r--r-- | builtin-log.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/builtin-log.c b/builtin-log.c index 44d2d136f5..4ee5891dfd 100644 --- a/builtin-log.c +++ b/builtin-log.c @@ -160,6 +160,71 @@ static void reopen_stdout(struct commit *commit, int nr, int keep_subject) freopen(filename, "w", stdout); } +static void reset_all_objects_flags() +{ + int i; + + for (i = 0; i < obj_allocs; i++) + if (objs[i]) + objs[i]->flags = 0; +} + +static int get_patch_id(struct commit *commit, struct diff_options *options, + unsigned char *sha1) +{ + diff_tree_sha1(commit->parents->item->object.sha1, commit->object.sha1, + "", options); + diffcore_std(options); + return diff_flush_patch_id(options, sha1); +} + +static void get_patch_ids(struct rev_info *rev, struct diff_options *options) +{ + struct rev_info check_rev; + struct commit *commit; + struct object *o1, *o2; + unsigned flags1, flags2; + unsigned char sha1[20]; + + if (rev->pending.nr != 2) + die("Need exactly one range."); + + o1 = rev->pending.objects[0].item; + flags1 = o1->flags; + o2 = rev->pending.objects[1].item; + flags2 = o2->flags; + + if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING)) + die("Not a range."); + + diff_setup(options); + options->recursive = 1; + if (diff_setup_done(options) < 0) + die("diff_setup_done failed"); + + /* given a range a..b get all patch ids for b..a */ + init_revisions(&check_rev); + o1->flags ^= UNINTERESTING; + o2->flags ^= UNINTERESTING; + add_pending_object(&check_rev, o1, "o1"); + add_pending_object(&check_rev, o2, "o2"); + prepare_revision_walk(&check_rev); + + while ((commit = get_revision(&check_rev)) != NULL) { + /* ignore merges */ + if (commit->parents && commit->parents->next) + continue; + + if (!get_patch_id(commit, options, sha1)) + created_object(sha1, xcalloc(1, sizeof(struct object))); + } + + /* reset for next revision walk */ + reset_all_objects_flags(); + o1->flags = flags1; + o2->flags = flags2; +} + int cmd_format_patch(int argc, const char **argv, char **envp) { struct commit *commit; @@ -170,6 +235,8 @@ int cmd_format_patch(int argc, const char **argv, char **envp) int numbered = 0; int start_number = -1; int keep_subject = 0; + int ignore_if_in_upstream = 0; + struct diff_options patch_id_opts; char *add_signoff = NULL; init_revisions(&rev); @@ -235,6 +302,8 @@ int cmd_format_patch(int argc, const char **argv, char **envp) rev.mime_boundary = git_version_string; else if (!strncmp(argv[i], "--attach=", 9)) rev.mime_boundary = argv[i] + 9; + else if (!strcmp(argv[i], "--ignore-if-in-upstream")) + ignore_if_in_upstream = 1; else argv[j++] = argv[i]; } @@ -262,14 +331,25 @@ int cmd_format_patch(int argc, const char **argv, char **envp) add_head(&rev); } + if (ignore_if_in_upstream) + get_patch_ids(&rev, &patch_id_opts); + if (!use_stdout) realstdout = fdopen(dup(1), "w"); prepare_revision_walk(&rev); while ((commit = get_revision(&rev)) != NULL) { + unsigned char sha1[20]; + /* ignore merges */ if (commit->parents && commit->parents->next) continue; + + if (ignore_if_in_upstream && + !get_patch_id(commit, &patch_id_opts, sha1) && + lookup_object(sha1)) + continue; + nr++; list = realloc(list, nr * sizeof(list[0])); list[nr - 1] = commit; |