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cat-file: pass expand_data to print_object_or_die 

We currently individually pass the sha1, type, and size
fields calculated by sha1_object_info. However, if we pass
the whole struct, the called function can make more
intelligent decisions about which fields were actually
filled by sha1_object_info.

This patch takes that first refactoring step, passing the
whole struct, so further patches can make those decisions
with less noise in their diffs. There should be no
functional change to this patch (aside from a minor typo fix
in the error message).

As a side effect, we can rename the local variables in the
function to "type" and "size", since the names are no longer
taken.

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2013-12-12 07:01:42 +08:00 committed by Junio C Hamano
parent d2446dfd7f
commit 370c9268d1
1 changed files with 11 additions and 10 deletions
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21
builtin/cat-file.c
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@ -193,25 +193,26 @@ static size_t expand_format(struct strbuf *sb, const char *start, void *data)
return end - start + 1;
}
static void print_object_or_die(int fd, const unsigned char *sha1,
enum object_type type, unsigned long size)
static void print_object_or_die(int fd, struct expand_data *data)
{
if (type == OBJ_BLOB) {
const unsigned char *sha1 = data->sha1;
if (data->type == OBJ_BLOB) {
if (stream_blob_to_fd(fd, sha1, NULL, 0) < 0)
die("unable to stream %s to stdout", sha1_to_hex(sha1));
}
else {
enum object_type rtype;
unsigned long rsize;
enum object_type type;
unsigned long size;
void *contents;
contents = read_sha1_file(sha1, &rtype, &rsize);
contents = read_sha1_file(sha1, &type, &size);
if (!contents)
die("object %s disappeared", sha1_to_hex(sha1));
if (rtype != type)
if (type != data->type)
die("object %s changed type!?", sha1_to_hex(sha1));
if (rsize != size)
die("object %s change size!?", sha1_to_hex(sha1));
if (size != data->size)
die("object %s changed size!?", sha1_to_hex(sha1));
write_or_die(fd, contents, size);
free(contents);
@ -250,7 +251,7 @@ static int batch_one_object(const char *obj_name, struct batch_options *opt,
strbuf_release(&buf);
if (opt->print_contents) {
print_object_or_die(1, data->sha1, data->type, data->size);
print_object_or_die(1, data);
write_or_die(1, "\n", 1);
}
return 0;