diff options
Diffstat (limited to 'builtin/cat-file.c')
| -rw-r--r-- | builtin/cat-file.c | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/builtin/cat-file.c b/builtin/cat-file.c index 7d4899348a..0c948f40fb 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -106,7 +106,10 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, struct object_info oi = OBJECT_INFO_INIT; struct strbuf sb = STRBUF_INIT; unsigned flags = OBJECT_INFO_LOOKUP_REPLACE; - unsigned get_oid_flags = GET_OID_RECORD_PATH | GET_OID_ONLY_TO_DIE; + unsigned get_oid_flags = + GET_OID_RECORD_PATH | + GET_OID_ONLY_TO_DIE | + GET_OID_HASH_ANY; const char *path = force_path; const int opt_cw = (opt == 'c' || opt == 'w'); if (!path && opt_cw) @@ -221,8 +224,13 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, &type, &size); const char *target; + + if (!buffer) + die(_("unable to read %s"), oid_to_hex(&oid)); + if (!skip_prefix(buffer, "object ", &target) || - get_oid_hex(target, &blob_oid)) + get_oid_hex_algop(target, &blob_oid, + &hash_algos[oid.algo])) die("%s not a valid tag", oid_to_hex(&oid)); free(buffer); } else @@ -306,8 +314,8 @@ static int is_atom(const char *atom, const char *s, int slen) return alen == slen && !memcmp(atom, s, alen); } -static void expand_atom(struct strbuf *sb, const char *atom, int len, - struct expand_data *data) +static int expand_atom(struct strbuf *sb, const char *atom, int len, + struct expand_data *data) { if (is_atom("objectname", atom, len)) { if (!data->mark_query) @@ -339,7 +347,8 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len, strbuf_addstr(sb, oid_to_hex(&data->delta_base_oid)); } else - die("unknown format element: %.*s", len, atom); + return 0; + return 1; } static void expand_format(struct strbuf *sb, const char *start, @@ -350,12 +359,11 @@ static void expand_format(struct strbuf *sb, const char *start, if (skip_prefix(start, "%", &start) || *start != '(') strbuf_addch(sb, '%'); - else if (!(end = strchr(start + 1, ')'))) - die("format element '%s' does not end in ')'", start); - else { - expand_atom(sb, start + 1, end - start - 1, data); + else if ((end = strchr(start + 1, ')')) && + expand_atom(sb, start + 1, end - start - 1, data)) start = end + 1; - } + else + strbuf_expand_bad_format(start, "cat-file"); } } @@ -416,6 +424,8 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d contents = repo_read_object_file(the_repository, oid, &type, &size); + if (!contents) + die("object %s disappeared", oid_to_hex(oid)); if (use_mailmap) { size_t s = size; @@ -423,8 +433,6 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d size = cast_size_t_to_ulong(s); } - if (!contents) - die("object %s disappeared", oid_to_hex(oid)); if (type != data->type) die("object %s changed type!?", oid_to_hex(oid)); if (data->info.sizep && size != data->size && !use_mailmap) @@ -481,6 +489,8 @@ static void batch_object_write(const char *obj_name, buf = repo_read_object_file(the_repository, &data->oid, &data->type, &data->size); + if (!buf) + die(_("unable to read %s"), oid_to_hex(&data->oid)); buf = replace_idents_using_mailmap(buf, &s); data->size = cast_size_t_to_ulong(s); @@ -511,7 +521,9 @@ static void batch_one_object(const char *obj_name, struct expand_data *data) { struct object_context ctx; - int flags = opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0; + int flags = + GET_OID_HASH_ANY | + (opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0); enum get_oid_result result; result = get_oid_with_context(the_repository, obj_name, |