diff options
Diffstat (limited to 'tree-diff.c')
| -rw-r--r-- | tree-diff.c | 77 |
1 files changed, 35 insertions, 42 deletions
diff --git a/tree-diff.c b/tree-diff.c index ba01563..11c3550 100644 --- a/tree-diff.c +++ b/tree-diff.c @@ -138,7 +138,6 @@ int diff_tree(struct tree_desc *t1, struct tree_desc *t2, /* Enable recursion indefinitely */ opt->pathspec.recursive = DIFF_OPT_TST(opt, RECURSIVE); - opt->pathspec.max_depth = -1; strbuf_init(&base, PATH_MAX); strbuf_add(&base, base_str, baselen); @@ -196,9 +195,27 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co struct diff_options diff_opts; struct diff_queue_struct *q = &diff_queued_diff; struct diff_filepair *choice; - const char *paths[1]; int i; + /* + * follow-rename code is very specific, we need exactly one + * path. Magic that matches more than one path is not + * supported. + */ + GUARD_PATHSPEC(&opt->pathspec, PATHSPEC_FROMTOP | PATHSPEC_LITERAL); +#if 0 + /* + * We should reject wildcards as well. Unfortunately we + * haven't got a reliable way to detect that 'foo\*bar' in + * fact has no wildcards. nowildcard_len is merely a hint for + * optimization. Let it slip for now until wildmatch is taught + * about dry-run mode and returns wildcard info. + */ + if (opt->pathspec.has_wildcard) + die("BUG:%s:%d: wildcards are not supported", + __FILE__, __LINE__); +#endif + /* Remove the file creation entry from the diff queue, and remember it */ choice = q->queue[0]; q->nr = 0; @@ -207,15 +224,13 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co DIFF_OPT_SET(&diff_opts, RECURSIVE); DIFF_OPT_SET(&diff_opts, FIND_COPIES_HARDER); diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; - diff_opts.single_follow = opt->pathspec.raw[0]; + diff_opts.single_follow = opt->pathspec.items[0].match; diff_opts.break_opt = opt->break_opt; diff_opts.rename_score = opt->rename_score; - paths[0] = NULL; - diff_tree_setup_paths(paths, &diff_opts); diff_setup_done(&diff_opts); diff_tree(t1, t2, base, &diff_opts); diffcore_std(&diff_opts); - diff_tree_release_paths(&diff_opts); + free_pathspec(&diff_opts.pathspec); /* Go through the new set of filepairing, and see if we find a more interesting one */ opt->found_follow = 0; @@ -228,15 +243,20 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co * the future! */ if ((p->status == 'R' || p->status == 'C') && - !strcmp(p->two->path, opt->pathspec.raw[0])) { + !strcmp(p->two->path, opt->pathspec.items[0].match)) { + const char *path[2]; + /* Switch the file-pairs around */ q->queue[i] = choice; choice = p; /* Update the path we use from now on.. */ - diff_tree_release_paths(opt); - opt->pathspec.raw[0] = xstrdup(p->one->path); - diff_tree_setup_paths(opt->pathspec.raw, opt); + path[0] = p->one->path; + path[1] = NULL; + free_pathspec(&opt->pathspec); + parse_pathspec(&opt->pathspec, + PATHSPEC_ALL_MAGIC & ~PATHSPEC_LITERAL, + PATHSPEC_LITERAL_PATH, "", path); /* * The caller expects us to return a set of vanilla @@ -274,14 +294,10 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha unsigned long size1, size2; int retval; - tree1 = read_object_with_reference(old, tree_type, &size1, NULL); - if (!tree1) - die("unable to read source tree (%s)", sha1_to_hex(old)); - tree2 = read_object_with_reference(new, tree_type, &size2, NULL); - if (!tree2) - die("unable to read destination tree (%s)", sha1_to_hex(new)); - init_tree_desc(&t1, tree1, size1); - init_tree_desc(&t2, tree2, size2); + tree1 = fill_tree_descriptor(&t1, old); + tree2 = fill_tree_descriptor(&t2, new); + size1 = t1.size; + size2 = t2.size; retval = diff_tree(&t1, &t2, base, opt); if (!*base && DIFF_OPT_TST(opt, FOLLOW_RENAMES) && diff_might_be_rename()) { init_tree_desc(&t1, tree1, size1); @@ -295,28 +311,5 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha int diff_root_tree_sha1(const unsigned char *new, const char *base, struct diff_options *opt) { - int retval; - void *tree; - unsigned long size; - struct tree_desc empty, real; - - tree = read_object_with_reference(new, tree_type, &size, NULL); - if (!tree) - die("unable to read root tree (%s)", sha1_to_hex(new)); - init_tree_desc(&real, tree, size); - - init_tree_desc(&empty, "", 0); - retval = diff_tree(&empty, &real, base, opt); - free(tree); - return retval; -} - -void diff_tree_release_paths(struct diff_options *opt) -{ - free_pathspec(&opt->pathspec); -} - -void diff_tree_setup_paths(const char **p, struct diff_options *opt) -{ - init_pathspec(&opt->pathspec, p); + return diff_tree_sha1(NULL, new, base, opt); } |