diff options
Diffstat (limited to 'tree.c')
| -rw-r--r-- | tree.c | 207 |
1 files changed, 87 insertions, 120 deletions
@@ -22,16 +22,20 @@ static int read_one_entry_opt(const unsigned char *sha1, const char *base, int b ce = xcalloc(1, size); ce->ce_mode = create_ce_mode(mode); - ce->ce_flags = create_ce_flags(baselen + len, stage); + ce->ce_flags = create_ce_flags(stage); + ce->ce_namelen = baselen + len; memcpy(ce->name, base, baselen); memcpy(ce->name + baselen, pathname, len+1); hashcpy(ce->sha1, sha1); return add_cache_entry(ce, opt); } -static int read_one_entry(const unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode, int stage, void *context) +static int read_one_entry(const unsigned char *sha1, struct strbuf *base, + const char *pathname, unsigned mode, int stage, + void *context) { - return read_one_entry_opt(sha1, base, baselen, pathname, mode, stage, + return read_one_entry_opt(sha1, base->buf, base->len, pathname, + mode, stage, ADD_CACHE_OK_TO_ADD|ADD_CACHE_SKIP_DFCHECK); } @@ -39,68 +43,24 @@ static int read_one_entry(const unsigned char *sha1, const char *base, int basel * This is used when the caller knows there is no existing entries at * the stage that will conflict with the entry being added. */ -static int read_one_entry_quick(const unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode, int stage, void *context) +static int read_one_entry_quick(const unsigned char *sha1, struct strbuf *base, + const char *pathname, unsigned mode, int stage, + void *context) { - return read_one_entry_opt(sha1, base, baselen, pathname, mode, stage, + return read_one_entry_opt(sha1, base->buf, base->len, pathname, + mode, stage, ADD_CACHE_JUST_APPEND); } -static int match_tree_entry(const char *base, int baselen, const char *path, unsigned int mode, const char **paths) -{ - const char *match; - int pathlen; - - if (!paths) - return 1; - pathlen = strlen(path); - while ((match = *paths++) != NULL) { - int matchlen = strlen(match); - - if (baselen >= matchlen) { - /* If it doesn't match, move along... */ - if (strncmp(base, match, matchlen)) - continue; - /* pathspecs match only at the directory boundaries */ - if (!matchlen || - baselen == matchlen || - base[matchlen] == '/' || - match[matchlen - 1] == '/') - return 1; - continue; - } - - /* Does the base match? */ - if (strncmp(base, match, baselen)) - continue; - - match += baselen; - matchlen -= baselen; - - if (pathlen > matchlen) - continue; - - if (matchlen > pathlen) { - if (match[pathlen] != '/') - continue; - if (!S_ISDIR(mode)) - continue; - } - - if (strncmp(path, match, pathlen)) - continue; - - return 1; - } - return 0; -} - -int read_tree_recursive(struct tree *tree, - const char *base, int baselen, - int stage, const char **match, - read_tree_fn_t fn, void *context) +static int read_tree_1(struct tree *tree, struct strbuf *base, + int stage, const struct pathspec *pathspec, + read_tree_fn_t fn, void *context) { struct tree_desc desc; struct name_entry entry; + unsigned char sha1[20]; + int len, oldlen = base->len; + enum interesting retval = entry_not_interesting; if (parse_tree(tree)) return -1; @@ -108,10 +68,16 @@ int read_tree_recursive(struct tree *tree, init_tree_desc(&desc, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { - if (!match_tree_entry(base, baselen, entry.path, entry.mode, match)) - continue; + if (retval != all_entries_interesting) { + retval = tree_entry_interesting(&entry, base, 0, pathspec); + if (retval == all_entries_not_interesting) + break; + if (retval == entry_not_interesting) + continue; + } - switch (fn(entry.sha1, base, baselen, entry.path, entry.mode, stage, context)) { + switch (fn(entry.oid->hash, base, + entry.path, entry.mode, stage, context)) { case 0: continue; case READ_TREE_RECURSIVE: @@ -119,67 +85,66 @@ int read_tree_recursive(struct tree *tree, default: return -1; } - if (S_ISDIR(entry.mode)) { - int retval; - char *newbase; - unsigned int pathlen = tree_entry_len(entry.path, entry.sha1); - - newbase = xmalloc(baselen + 1 + pathlen); - memcpy(newbase, base, baselen); - memcpy(newbase + baselen, entry.path, pathlen); - newbase[baselen + pathlen] = '/'; - retval = read_tree_recursive(lookup_tree(entry.sha1), - newbase, - baselen + pathlen + 1, - stage, match, fn, context); - free(newbase); - if (retval) - return -1; - continue; - } else if (S_ISGITLINK(entry.mode)) { - int retval; - struct strbuf path; - unsigned int entrylen; - struct commit *commit; - entrylen = tree_entry_len(entry.path, entry.sha1); - strbuf_init(&path, baselen + entrylen + 1); - strbuf_add(&path, base, baselen); - strbuf_add(&path, entry.path, entrylen); - strbuf_addch(&path, '/'); + if (S_ISDIR(entry.mode)) + hashcpy(sha1, entry.oid->hash); + else if (S_ISGITLINK(entry.mode)) { + struct commit *commit; - commit = lookup_commit(entry.sha1); + commit = lookup_commit(entry.oid->hash); if (!commit) - die("Commit %s in submodule path %s not found", - sha1_to_hex(entry.sha1), path.buf); + die("Commit %s in submodule path %s%s not found", + oid_to_hex(entry.oid), + base->buf, entry.path); if (parse_commit(commit)) - die("Invalid commit %s in submodule path %s", - sha1_to_hex(entry.sha1), path.buf); - - retval = read_tree_recursive(commit->tree, - path.buf, path.len, - stage, match, fn, context); - strbuf_release(&path); - if (retval) - return -1; - continue; + die("Invalid commit %s in submodule path %s%s", + oid_to_hex(entry.oid), + base->buf, entry.path); + + hashcpy(sha1, commit->tree->object.oid.hash); } + else + continue; + + len = tree_entry_len(&entry); + strbuf_add(base, entry.path, len); + strbuf_addch(base, '/'); + retval = read_tree_1(lookup_tree(sha1), + base, stage, pathspec, + fn, context); + strbuf_setlen(base, oldlen); + if (retval) + return -1; } return 0; } +int read_tree_recursive(struct tree *tree, + const char *base, int baselen, + int stage, const struct pathspec *pathspec, + read_tree_fn_t fn, void *context) +{ + struct strbuf sb = STRBUF_INIT; + int ret; + + strbuf_add(&sb, base, baselen); + ret = read_tree_1(tree, &sb, stage, pathspec, fn, context); + strbuf_release(&sb); + return ret; +} + static int cmp_cache_name_compare(const void *a_, const void *b_) { const struct cache_entry *ce1, *ce2; ce1 = *((const struct cache_entry **)a_); ce2 = *((const struct cache_entry **)b_); - return cache_name_compare(ce1->name, ce1->ce_flags, - ce2->name, ce2->ce_flags); + return cache_name_stage_compare(ce1->name, ce1->ce_namelen, ce_stage(ce1), + ce2->name, ce2->ce_namelen, ce_stage(ce2)); } -int read_tree(struct tree *tree, int stage, const char **match) +int read_tree(struct tree *tree, int stage, struct pathspec *match) { read_tree_fn_t fn = NULL; int i, err; @@ -200,7 +165,7 @@ int read_tree(struct tree *tree, int stage, const char **match) * sort at the end. */ for (i = 0; !fn && i < active_nr; i++) { - struct cache_entry *ce = active_cache[i]; + const struct cache_entry *ce = active_cache[i]; if (ce_stage(ce) == stage) fn = read_one_entry; } @@ -224,15 +189,8 @@ struct tree *lookup_tree(const unsigned char *sha1) { struct object *obj = lookup_object(sha1); if (!obj) - return create_object(sha1, OBJ_TREE, alloc_tree_node()); - if (!obj->type) - obj->type = OBJ_TREE; - if (obj->type != OBJ_TREE) { - error("Object %s is a %s, not a tree", - sha1_to_hex(sha1), typename(obj->type)); - return NULL; - } - return (struct tree *) obj; + return create_object(sha1, alloc_tree_node()); + return object_as_type(obj, OBJ_TREE, 0); } int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size) @@ -246,7 +204,7 @@ int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size) return 0; } -int parse_tree(struct tree *item) +int parse_tree_gently(struct tree *item, int quiet_on_missing) { enum object_type type; void *buffer; @@ -254,18 +212,27 @@ int parse_tree(struct tree *item) if (item->object.parsed) return 0; - buffer = read_sha1_file(item->object.sha1, &type, &size); + buffer = read_sha1_file(item->object.oid.hash, &type, &size); if (!buffer) - return error("Could not read %s", - sha1_to_hex(item->object.sha1)); + return quiet_on_missing ? -1 : + error("Could not read %s", + oid_to_hex(&item->object.oid)); if (type != OBJ_TREE) { free(buffer); return error("Object %s not a tree", - sha1_to_hex(item->object.sha1)); + oid_to_hex(&item->object.oid)); } return parse_tree_buffer(item, buffer, size); } +void free_tree_buffer(struct tree *tree) +{ + free(tree->buffer); + tree->buffer = NULL; + tree->size = 0; + tree->object.parsed = 0; +} + struct tree *parse_tree_indirect(const unsigned char *sha1) { struct object *obj = parse_object(sha1); @@ -281,6 +248,6 @@ struct tree *parse_tree_indirect(const unsigned char *sha1) else return NULL; if (!obj->parsed) - parse_object(obj->sha1); + parse_object(obj->oid.hash); } while (1); } |