builtin/cat-file: convert some static functions to struct object_id

Convert all of the static functions that are not callbacks to use struct
object_id.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2016-09-05 20:07:57 +00:00 committed by Junio C Hamano
parent cd4f77beb7
commit 63ecb99e0d

View file

@ -23,7 +23,7 @@ struct batch_options {
static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
int unknown_type)
{
unsigned char sha1[20];
struct object_id oid;
enum object_type type;
char *buf;
unsigned long size;
@ -35,14 +35,14 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
if (unknown_type)
flags |= LOOKUP_UNKNOWN_OBJECT;
if (get_sha1_with_context(obj_name, 0, sha1, &obj_context))
if (get_sha1_with_context(obj_name, 0, oid.hash, &obj_context))
die("Not a valid object name %s", obj_name);
buf = NULL;
switch (opt) {
case 't':
oi.typename = &sb;
if (sha1_object_info_extended(sha1, &oi, flags) < 0)
if (sha1_object_info_extended(oid.hash, &oi, flags) < 0)
die("git cat-file: could not get object info");
if (sb.len) {
printf("%s\n", sb.buf);
@ -53,24 +53,24 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
case 's':
oi.sizep = &size;
if (sha1_object_info_extended(sha1, &oi, flags) < 0)
if (sha1_object_info_extended(oid.hash, &oi, flags) < 0)
die("git cat-file: could not get object info");
printf("%lu\n", size);
return 0;
case 'e':
return !has_sha1_file(sha1);
return !has_object_file(&oid);
case 'c':
if (!obj_context.path[0])
die("git cat-file --textconv %s: <object> must be <sha1:path>",
obj_name);
if (textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size))
if (textconv_object(obj_context.path, obj_context.mode, oid.hash, 1, &buf, &size))
break;
case 'p':
type = sha1_object_info(sha1, NULL);
type = sha1_object_info(oid.hash, NULL);
if (type < 0)
die("Not a valid object name %s", obj_name);
@ -83,8 +83,8 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
}
if (type == OBJ_BLOB)
return stream_blob_to_fd(1, sha1, NULL, 0);
buf = read_sha1_file(sha1, &type, &size);
return stream_blob_to_fd(1, oid.hash, NULL, 0);
buf = read_sha1_file(oid.hash, &type, &size);
if (!buf)
die("Cannot read object %s", obj_name);
@ -93,19 +93,19 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
case 0:
if (type_from_string(exp_type) == OBJ_BLOB) {
unsigned char blob_sha1[20];
if (sha1_object_info(sha1, NULL) == OBJ_TAG) {
char *buffer = read_sha1_file(sha1, &type, &size);
struct object_id blob_oid;
if (sha1_object_info(oid.hash, NULL) == OBJ_TAG) {
char *buffer = read_sha1_file(oid.hash, &type, &size);
const char *target;
if (!skip_prefix(buffer, "object ", &target) ||
get_sha1_hex(target, blob_sha1))
die("%s not a valid tag", sha1_to_hex(sha1));
get_oid_hex(target, &blob_oid))
die("%s not a valid tag", oid_to_hex(&oid));
free(buffer);
} else
hashcpy(blob_sha1, sha1);
oidcpy(&blob_oid, &oid);
if (sha1_object_info(blob_sha1, NULL) == OBJ_BLOB)
return stream_blob_to_fd(1, blob_sha1, NULL, 0);
if (sha1_object_info(blob_oid.hash, NULL) == OBJ_BLOB)
return stream_blob_to_fd(1, blob_oid.hash, NULL, 0);
/*
* we attempted to dereference a tag to a blob
* and failed; there may be new dereference
@ -113,7 +113,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
* fall-back to the usual case.
*/
}
buf = read_object_with_reference(sha1, exp_type, &size, NULL);
buf = read_object_with_reference(oid.hash, exp_type, &size, NULL);
break;
default:
@ -233,28 +233,28 @@ static void batch_write(struct batch_options *opt, const void *data, int len)
static void print_object_or_die(struct batch_options *opt, struct expand_data *data)
{
const unsigned char *sha1 = data->oid.hash;
const struct object_id *oid = &data->oid;
assert(data->info.typep);
if (data->type == OBJ_BLOB) {
if (opt->buffer_output)
fflush(stdout);
if (stream_blob_to_fd(1, sha1, NULL, 0) < 0)
die("unable to stream %s to stdout", sha1_to_hex(sha1));
if (stream_blob_to_fd(1, oid->hash, NULL, 0) < 0)
die("unable to stream %s to stdout", oid_to_hex(oid));
}
else {
enum object_type type;
unsigned long size;
void *contents;
contents = read_sha1_file(sha1, &type, &size);
contents = read_sha1_file(oid->hash, &type, &size);
if (!contents)
die("object %s disappeared", sha1_to_hex(sha1));
die("object %s disappeared", oid_to_hex(oid));
if (type != data->type)
die("object %s changed type!?", sha1_to_hex(sha1));
die("object %s changed type!?", oid_to_hex(oid));
if (data->info.sizep && size != data->size)
die("object %s changed size!?", sha1_to_hex(sha1));
die("object %s changed size!?", oid_to_hex(oid));
batch_write(opt, contents, size);
free(contents);