diff options
Diffstat (limited to 'sha1_name.c')
-rw-r--r-- | sha1_name.c | 86 |
1 files changed, 37 insertions, 49 deletions
diff --git a/sha1_name.c b/sha1_name.c index 502d107a5e..a1e0f804dc 100644 --- a/sha1_name.c +++ b/sha1_name.c @@ -615,7 +615,7 @@ struct object *peel_to_type(const char *name, int namelen, while (1) { if (!o || (!o->parsed && !parse_object(o->sha1))) return NULL; - if (o->type == expected_type) + if (expected_type == OBJ_ANY || o->type == expected_type) return o; if (o->type == OBJ_TAG) o = ((struct tag*) o)->tagged; @@ -666,6 +666,8 @@ static int peel_onion(const char *name, int len, unsigned char *sha1) expected_type = OBJ_TREE; else if (!strncmp(blob_type, sp, 4) && sp[4] == '}') expected_type = OBJ_BLOB; + else if (!prefixcmp(sp, "object}")) + expected_type = OBJ_ANY; else if (sp[0] == '}') expected_type = OBJ_NONE; else if (sp[0] == '/') @@ -675,6 +677,8 @@ static int peel_onion(const char *name, int len, unsigned char *sha1) if (expected_type == OBJ_COMMIT) lookup_flags = GET_SHA1_COMMITTISH; + else if (expected_type == OBJ_TREE) + lookup_flags = GET_SHA1_TREEISH; if (get_sha1_1(name, sp - name - 2, outer, lookup_flags)) return -1; @@ -877,8 +881,8 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1, } struct grab_nth_branch_switch_cbdata { - long cnt, alloc; - struct strbuf *buf; + int remaining; + struct strbuf buf; }; static int grab_nth_branch_switch(unsigned char *osha1, unsigned char *nsha1, @@ -888,7 +892,6 @@ static int grab_nth_branch_switch(unsigned char *osha1, unsigned char *nsha1, struct grab_nth_branch_switch_cbdata *cb = cb_data; const char *match = NULL, *target = NULL; size_t len; - int nth; if (!prefixcmp(message, "checkout: moving from ")) { match = message + strlen("checkout: moving from "); @@ -897,11 +900,12 @@ static int grab_nth_branch_switch(unsigned char *osha1, unsigned char *nsha1, if (!match || !target) return 0; - - len = target - match; - nth = cb->cnt++ % cb->alloc; - strbuf_reset(&cb->buf[nth]); - strbuf_add(&cb->buf[nth], match, len); + if (--(cb->remaining) == 0) { + len = target - match; + strbuf_reset(&cb->buf); + strbuf_add(&cb->buf, match, len); + return 1; /* we are done */ + } return 0; } @@ -912,7 +916,7 @@ static int grab_nth_branch_switch(unsigned char *osha1, unsigned char *nsha1, static int interpret_nth_prior_checkout(const char *name, struct strbuf *buf) { long nth; - int i, retval; + int retval; struct grab_nth_branch_switch_cbdata cb; const char *brace; char *num_end; @@ -922,34 +926,22 @@ static int interpret_nth_prior_checkout(const char *name, struct strbuf *buf) brace = strchr(name, '}'); if (!brace) return -1; - nth = strtol(name+3, &num_end, 10); + nth = strtol(name + 3, &num_end, 10); if (num_end != brace) return -1; if (nth <= 0) return -1; - cb.alloc = nth; - cb.buf = xmalloc(nth * sizeof(struct strbuf)); - for (i = 0; i < nth; i++) - strbuf_init(&cb.buf[i], 20); - cb.cnt = 0; + cb.remaining = nth; + strbuf_init(&cb.buf, 20); + retval = 0; - for_each_recent_reflog_ent("HEAD", grab_nth_branch_switch, 40960, &cb); - if (cb.cnt < nth) { - cb.cnt = 0; - for_each_reflog_ent("HEAD", grab_nth_branch_switch, &cb); + if (0 < for_each_reflog_ent_reverse("HEAD", grab_nth_branch_switch, &cb)) { + strbuf_reset(buf); + strbuf_add(buf, cb.buf.buf, cb.buf.len); + retval = brace - name + 1; } - if (cb.cnt < nth) - goto release_return; - i = cb.cnt % nth; - strbuf_reset(buf); - strbuf_add(buf, cb.buf[i].buf, cb.buf[i].len); - retval = brace-name+1; - -release_return: - for (i = 0; i < nth; i++) - strbuf_release(&cb.buf[i]); - free(cb.buf); + strbuf_release(&cb.buf); return retval; } @@ -1158,7 +1150,8 @@ int get_sha1_blob(const char *name, unsigned char *sha1) static void diagnose_invalid_sha1_path(const char *prefix, const char *filename, const unsigned char *tree_sha1, - const char *object_name) + const char *object_name, + int object_name_len) { struct stat st; unsigned char sha1[20]; @@ -1168,8 +1161,8 @@ static void diagnose_invalid_sha1_path(const char *prefix, prefix = ""; if (!lstat(filename, &st)) - die("Path '%s' exists on disk, but not in '%s'.", - filename, object_name); + die("Path '%s' exists on disk, but not in '%.*s'.", + filename, object_name_len, object_name); if (errno == ENOENT || errno == ENOTDIR) { char *fullname = xmalloc(strlen(filename) + strlen(prefix) + 1); @@ -1179,16 +1172,16 @@ static void diagnose_invalid_sha1_path(const char *prefix, if (!get_tree_entry(tree_sha1, fullname, sha1, &mode)) { die("Path '%s' exists, but not '%s'.\n" - "Did you mean '%s:%s' aka '%s:./%s'?", + "Did you mean '%.*s:%s' aka '%.*s:./%s'?", fullname, filename, - object_name, + object_name_len, object_name, fullname, - object_name, + object_name_len, object_name, filename); } - die("Path '%s' does not exist in '%s'", - filename, object_name); + die("Path '%s' does not exist in '%.*s'", + filename, object_name_len, object_name); } } @@ -1353,13 +1346,8 @@ static int get_sha1_with_context_1(const char *name, } if (*cp == ':') { unsigned char tree_sha1[20]; - char *object_name = NULL; - if (only_to_die) { - object_name = xmalloc(cp-name+1); - strncpy(object_name, name, cp-name); - object_name[cp-name] = '\0'; - } - if (!get_sha1_1(name, cp-name, tree_sha1, GET_SHA1_TREEISH)) { + int len = cp - name; + if (!get_sha1_1(name, len, tree_sha1, GET_SHA1_TREEISH)) { const char *filename = cp+1; char *new_filename = NULL; @@ -1369,8 +1357,8 @@ static int get_sha1_with_context_1(const char *name, ret = get_tree_entry(tree_sha1, filename, sha1, &oc->mode); if (ret && only_to_die) { diagnose_invalid_sha1_path(prefix, filename, - tree_sha1, object_name); - free(object_name); + tree_sha1, + name, len); } hashcpy(oc->tree, tree_sha1); strncpy(oc->path, filename, @@ -1381,7 +1369,7 @@ static int get_sha1_with_context_1(const char *name, return ret; } else { if (only_to_die) - die("Invalid object name '%s'.", object_name); + die("Invalid object name '%.*s'.", len, name); } } return ret; |