diff options
Diffstat (limited to 'builtin/diff-tree.c')
| -rw-r--r-- | builtin/diff-tree.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c index cb9ea79367..f33d30d57b 100644 --- a/builtin/diff-tree.c +++ b/builtin/diff-tree.c @@ -109,7 +109,9 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) struct object *tree1, *tree2; static struct rev_info *opt = &log_tree_opt; struct setup_revision_opt s_r_opt; + struct userformat_want w; int read_stdin = 0; + int merge_base = 0; if (argc == 2 && !strcmp(argv[1], "-h")) usage(diff_tree_usage); @@ -124,9 +126,17 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) memset(&s_r_opt, 0, sizeof(s_r_opt)); s_r_opt.tweak = diff_tree_tweak_rev; - precompose_argv(argc, argv); + prefix = precompose_argv_prefix(argc, argv, prefix); argc = setup_revisions(argc, argv, opt, &s_r_opt); + memset(&w, 0, sizeof(w)); + userformat_find_requirements(NULL, &w); + + if (!opt->show_notes_given && w.notes) + opt->show_notes = 1; + if (opt->show_notes) + load_display_notes(&opt->notes_opt); + while (--argc > 0) { const char *arg = *++argv; @@ -134,9 +144,20 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) read_stdin = 1; continue; } + if (!strcmp(arg, "--merge-base")) { + merge_base = 1; + continue; + } usage(diff_tree_usage); } + if (read_stdin && merge_base) + die(_("--stdin and --merge-base are mutually exclusive")); + if (merge_base && opt->pending.nr != 2) + die(_("--merge-base only works with two commits")); + + opt->diffopt.rotate_to_strict = 1; + /* * NOTE! We expect "a..b" to expand to "^a b" but it is * perfectly valid for revision range parser to yield "b ^a", @@ -156,7 +177,12 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) case 2: tree1 = opt->pending.objects[0].item; tree2 = opt->pending.objects[1].item; - if (tree2->flags & UNINTERESTING) { + if (merge_base) { + struct object_id oid; + + diff_get_merge_base(opt, &oid); + tree1 = lookup_object(the_repository, &oid); + } else if (tree2->flags & UNINTERESTING) { SWAP(tree2, tree1); } diff_tree_oid(&tree1->oid, &tree2->oid, "", &opt->diffopt); @@ -168,6 +194,7 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) int saved_nrl = 0; int saved_dcctc = 0; + opt->diffopt.rotate_to_strict = 0; if (opt->diffopt.detect_rename) { if (!the_index.cache) repo_read_index(the_repository); |