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authorMichael Haggerty <mhagger@alum.mit.edu>2011-12-12 05:38:19 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-12-12 17:08:53 (GMT)
commitb0626608ea80e636faaa030a35200d8e47be5564 (patch)
tree15f74ff7df5b4ede2c40bc82687b5c6811852bfa /refs.c
parent7f820bd92008a366f391e243fbd51e076d75e3a6 (diff)
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Pass a (ref_cache *) to the resolve_gitlink_*() helper functions
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>
Diffstat (limited to 'refs.c')
-rw-r--r--refs.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/refs.c b/refs.c
index 91ec395..bf1f164 100644
--- a/refs.c
+++ b/refs.c
@@ -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;
}