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verify-tag: prepare verify_tag for libification

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The current interface of verify_tag() resolves reference names to SHA1,
however, the plan is to make this functionality public and the current
interface is cumbersome for callers: they are expected to supply the
textual representation of a sha1/refname. In many cases, this requires
them to turn the sha1 to hex representation, just to be converted back
inside verify_tag.

Add a SHA1 parameter to use instead of the name parameter, and rename
the name parameter to "name_to_report" for reporting purposes only.

Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Santiago Torres <santiago@nyu.edu>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Santiago Torres 2016-04-19 13:47:19 -04:00 committed by Junio C Hamano
parent 20972f54d3
commit 78ccd44195
1 changed files with 17 additions and 9 deletions
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26
builtin/verify-tag.c
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@ -42,25 +42,28 @@ static int run_gpg_verify(const char *buf, unsigned long size, unsigned flags)
return ret;
}
static int verify_tag(const char *name, unsigned flags)
static int verify_tag(const unsigned char *sha1, const char *name_to_report,
unsigned flags)
{
enum object_type type;
unsigned char sha1[20];
char *buf;
unsigned long size;
int ret;
if (get_sha1(name, sha1))
return error("tag '%s' not found.", name);
type = sha1_object_info(sha1, NULL);
if (type != OBJ_TAG)
return error("%s: cannot verify a non-tag object of type %s.",
name, typename(type));
name_to_report ?
name_to_report :
find_unique_abbrev(sha1, DEFAULT_ABBREV),
typename(type));
buf = read_sha1_file(sha1, &type, &size);
if (!buf)
return error("%s: unable to read file.", name);
return error("%s: unable to read file.",
name_to_report ?
name_to_report :
find_unique_abbrev(sha1, DEFAULT_ABBREV));
ret = run_gpg_verify(buf, size, flags);
@ -96,8 +99,13 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix)
if (verbose)
flags |= GPG_VERIFY_VERBOSE;
while (i < argc)
if (verify_tag(argv[i++], flags))
while (i < argc) {
unsigned char sha1[20];
const char *name = argv[i++];
if (get_sha1(name, sha1))
had_error = !!error("tag '%s' not found.", name);
else if (verify_tag(sha1, name, flags))
had_error = 1;
}
return had_error;
}