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Make "cat-file" use "read_object_with_reference()"

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This means that you can take a tag object, and do

	git-cat-file commit tagname

and it will cat the commit that the tag points to. Or you can
cat the tree that a commit (or tag) points to.

It still gives the old behaviour if you just give it the
original type, ie if you want to see the tag object itself,
you'd do

	git-cat-file -t tagname

and you'd get the expected tag output.
This commit is contained in:
Linus Torvalds 2005-05-01 19:28:18 -07:00
parent ca4c7db9ef
commit 11e7d5c594
1 changed files with 12 additions and 9 deletions
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21
cat-file.c
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@ -14,17 +14,20 @@ int main(int argc, char **argv)
if (argc != 3 || get_sha1(argv[2], sha1))
usage("cat-file [-t | tagname] <sha1>");
buf = read_sha1_file(sha1, type, &size);
if (!strcmp("-t", argv[1])) {
buf = read_sha1_file(sha1, type, &size);
if (buf) {
buf = type;
size = strlen(type);
type[size] = '\n';
}
} else {
buf = read_object_with_reference(sha1, argv[1], &size, NULL);
}
if (!buf)
die("cat-file %s: bad file", argv[2]);
if (!strcmp("-t", argv[1])) {
buf = type;
size = strlen(type);
type[size] = '\n';
size++;
} else if (strcmp(type, argv[1])) {
die("cat-file %s: bad tag", argv[2]);
}
while (size > 0) {
long ret = write(1, buf, size);