diff options
Diffstat (limited to 'builtin-diff.c')
| -rw-r--r-- | builtin-diff.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/builtin-diff.c b/builtin-diff.c index 059eb6de4..82afce782 100644 --- a/builtin-diff.c +++ b/builtin-diff.c @@ -23,7 +23,7 @@ struct blobinfo { }; static const char builtin_diff_usage[] = -"diff <options> <rev>{0,2} -- <path>*"; +"git-diff <options> <rev>{0,2} -- <path>*"; static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv) @@ -118,9 +118,6 @@ static int builtin_diff_blobs(struct rev_info *revs, int argc, const char **argv, struct blobinfo *blob) { - /* Blobs: the arguments are reversed when setup_revisions() - * picked them up. - */ unsigned mode = canon_mode(S_IFREG | 0644); if (argc > 1) @@ -128,8 +125,8 @@ static int builtin_diff_blobs(struct rev_info *revs, stuff_change(&revs->diffopt, mode, mode, - blob[1].sha1, blob[0].sha1, - blob[0].name, blob[0].name); + blob[0].sha1, blob[1].sha1, + blob[0].name, blob[1].name); diffcore_std(&revs->diffopt); diff_flush(&revs->diffopt); return 0; @@ -169,7 +166,7 @@ static int builtin_diff_tree(struct rev_info *revs, usage(builtin_diff_usage); /* We saw two trees, ent[0] and ent[1]. - * if ent[1] is unintesting, they are swapped + * if ent[1] is uninteresting, they are swapped */ if (ent[1].item->flags & UNINTERESTING) swap = 1; @@ -214,7 +211,7 @@ void add_head(struct rev_info *revs) add_pending_object(revs, obj, "HEAD"); } -int cmd_diff(int argc, const char **argv, char **envp) +int cmd_diff(int argc, const char **argv, const char *prefix) { int i; struct rev_info rev; @@ -243,13 +240,14 @@ int cmd_diff(int argc, const char **argv, char **envp) * Other cases are errors. */ - git_config(git_diff_config); - init_revisions(&rev); + git_config(git_diff_ui_config); + init_revisions(&rev, prefix); argc = setup_revisions(argc, argv, &rev, NULL); if (!rev.diffopt.output_format) { rev.diffopt.output_format = DIFF_FORMAT_PATCH; - diff_setup_done(&rev.diffopt); + if (diff_setup_done(&rev.diffopt) < 0) + die("diff_setup_done failed"); } /* Do we have --cached and not have a pending object, then @@ -278,9 +276,9 @@ int cmd_diff(int argc, const char **argv, char **envp) obj = deref_tag(obj, NULL, 0); if (!obj) die("invalid object '%s' given.", name); - if (obj->type == TYPE_COMMIT) + if (obj->type == OBJ_COMMIT) obj = &((struct commit *)obj)->tree->object; - if (obj->type == TYPE_TREE) { + if (obj->type == OBJ_TREE) { if (ARRAY_SIZE(ent) <= ents) die("more than %d trees given: '%s'", (int) ARRAY_SIZE(ent), name); @@ -290,7 +288,7 @@ int cmd_diff(int argc, const char **argv, char **envp) ents++; continue; } - if (obj->type == TYPE_BLOB) { + if (obj->type == OBJ_BLOB) { if (2 <= blobs) die("more than two blobs given: '%s'", name); memcpy(blob[blobs].sha1, obj->sha1, 20); @@ -339,7 +337,16 @@ int cmd_diff(int argc, const char **argv, char **envp) return builtin_diff_index(&rev, argc, argv); else if (ents == 2) return builtin_diff_tree(&rev, argc, argv, ent); + else if ((ents == 3) && (ent[0].item->flags & UNINTERESTING)) { + /* diff A...B where there is one sane merge base between + * A and B. We have ent[0] == merge-base, ent[1] == A, + * and ent[2] == B. Show diff between the base and B. + */ + ent[1] = ent[2]; + return builtin_diff_tree(&rev, argc, argv, ent); + } else - return builtin_diff_combined(&rev, argc, argv, ent, ents); + return builtin_diff_combined(&rev, argc, argv, + ent, ents); usage(builtin_diff_usage); } |