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Pass a (ref_cache *) to the resolve_gitlink_*() helper functions

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And remove some redundant arguments from resolve_gitlink_packed_ref().

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2011-12-12 06:38:19 +01:00 committed by Junio C Hamano
parent 7f820bd920
commit b0626608ea
1 changed files with 20 additions and 20 deletions
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40
refs.c
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@ -413,30 +413,25 @@ static struct ref_array *get_loose_refs(struct ref_cache *refs)
/*
* Called by resolve_gitlink_ref_recursive() after it failed to read
* from "name", which is "module/.git/<refname>". Find <refname> in
* the packed-refs file for the submodule.
* from the loose refs in ref_cache refs. Find <refname> in the
* packed-refs file for the submodule.
*/
static int resolve_gitlink_packed_ref(char *name, int pathlen,
static int resolve_gitlink_packed_ref(struct ref_cache *refs,
const char *refname, unsigned char *sha1)
{
int retval = -1;
struct ref_entry *ref;
struct ref_array *array;
struct ref_array *array = get_packed_refs(refs);
/* being defensive: resolve_gitlink_ref() did this for us */
if (pathlen < 6 || memcmp(name + pathlen - 6, "/.git/", 6))
die("Oops");
name[pathlen - 6] = '\0'; /* make it path to the submodule */
array = get_packed_refs(get_ref_cache(name));
ref = search_ref_array(array, refname);
if (ref != NULL) {
memcpy(sha1, ref->sha1, 20);
retval = 0;
}
return retval;
if (ref == NULL)
return -1;
memcpy(sha1, ref->sha1, 20);
return 0;
}
static int resolve_gitlink_ref_recursive(char *name, int pathlen,
static int resolve_gitlink_ref_recursive(struct ref_cache *refs,
char *name, int pathlen,
const char *refname, unsigned char *sha1,
int recursion)
{
@ -448,7 +443,7 @@ static int resolve_gitlink_ref_recursive(char *name, int pathlen,
memcpy(name + pathlen, refname, len+1);
fd = open(name, O_RDONLY);
if (fd < 0)
return resolve_gitlink_packed_ref(name, pathlen, refname, sha1);
return resolve_gitlink_packed_ref(refs, refname, sha1);
len = read(fd, buffer, sizeof(buffer)-1);
close(fd);
@ -469,19 +464,24 @@ static int resolve_gitlink_ref_recursive(char *name, int pathlen,
while (isspace(*p))
p++;
return resolve_gitlink_ref_recursive(name, pathlen, p, sha1, recursion+1);
return resolve_gitlink_ref_recursive(refs, name, pathlen, p, sha1, recursion+1);
}
int resolve_gitlink_ref(const char *path, const char *refname, unsigned char *sha1)
{
int len = strlen(path), retval;
char *gitdir;
char *submodule, *gitdir;
struct ref_cache *refs;
const char *tmp;
while (len && path[len-1] == '/')
len--;
if (!len)
return -1;
submodule = xstrndup(path, len);
refs = get_ref_cache(submodule);
free(submodule);
gitdir = xmalloc(len + MAXREFLEN + 8);
memcpy(gitdir, path, len);
memcpy(gitdir + len, "/.git", 6);
@ -496,7 +496,7 @@ int resolve_gitlink_ref(const char *path, const char *refname, unsigned char *sh
}
gitdir[len] = '/';
gitdir[++len] = '\0';
retval = resolve_gitlink_ref_recursive(gitdir, len, refname, sha1, 0);
retval = resolve_gitlink_ref_recursive(refs, gitdir, len, refname, sha1, 0);
free(gitdir);
return retval;
}