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-rw-r--r--refs/files-backend.c82
1 files changed, 3 insertions, 79 deletions
diff --git a/refs/files-backend.c b/refs/files-backend.c
index a15986ccc2..71848ab9d6 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -1269,8 +1269,6 @@ static struct ref_dir *get_loose_refs(struct ref_cache *refs)
return get_ref_dir(refs->loose);
}
-/* We allow "recursive" symbolic refs. Only within reason, though */
-#define MAXDEPTH 5
#define MAXREFLEN (1024)
/*
@@ -1300,7 +1298,7 @@ static int resolve_gitlink_ref_recursive(struct ref_cache *refs,
char buffer[128], *p;
char *path;
- if (recursion > MAXDEPTH || strlen(refname) > MAXREFLEN)
+ if (recursion > SYMREF_MAXDEPTH || strlen(refname) > MAXREFLEN)
return -1;
path = *refs->name
? git_pathdup_submodule(refs->name, "%s", refname)
@@ -1420,8 +1418,8 @@ static int resolve_missing_loose_ref(const char *refname,
* - in all other cases, symref will be untouched, and therefore
* refname will still be valid and unchanged.
*/
-static int read_raw_ref(const char *refname, unsigned char *sha1,
- struct strbuf *symref, unsigned int *flags)
+int read_raw_ref(const char *refname, unsigned char *sha1,
+ struct strbuf *symref, unsigned int *flags)
{
struct strbuf sb_contents = STRBUF_INIT;
struct strbuf sb_path = STRBUF_INIT;
@@ -1538,80 +1536,6 @@ out:
return ret;
}
-/* This function needs to return a meaningful errno on failure */
-const char *resolve_ref_unsafe(const char *refname, int resolve_flags,
- unsigned char *sha1, int *flags)
-{
- static struct strbuf sb_refname = STRBUF_INIT;
- int unused_flags;
- int symref_count;
-
- if (!flags)
- flags = &unused_flags;
-
- *flags = 0;
-
- if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) {
- if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) ||
- !refname_is_safe(refname)) {
- errno = EINVAL;
- return NULL;
- }
-
- /*
- * dwim_ref() uses REF_ISBROKEN to distinguish between
- * missing refs and refs that were present but invalid,
- * to complain about the latter to stderr.
- *
- * We don't know whether the ref exists, so don't set
- * REF_ISBROKEN yet.
- */
- *flags |= REF_BAD_NAME;
- }
-
- for (symref_count = 0; symref_count < MAXDEPTH; symref_count++) {
- unsigned int read_flags = 0;
-
- if (read_raw_ref(refname, sha1, &sb_refname, &read_flags)) {
- *flags |= read_flags;
- if (errno != ENOENT || (resolve_flags & RESOLVE_REF_READING))
- return NULL;
- hashclr(sha1);
- if (*flags & REF_BAD_NAME)
- *flags |= REF_ISBROKEN;
- return refname;
- }
-
- *flags |= read_flags;
-
- if (!(read_flags & REF_ISSYMREF)) {
- if (*flags & REF_BAD_NAME) {
- hashclr(sha1);
- *flags |= REF_ISBROKEN;
- }
- return refname;
- }
-
- refname = sb_refname.buf;
- if (resolve_flags & RESOLVE_REF_NO_RECURSE) {
- hashclr(sha1);
- return refname;
- }
- if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) {
- if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) ||
- !refname_is_safe(refname)) {
- errno = EINVAL;
- return NULL;
- }
-
- *flags |= REF_ISBROKEN | REF_BAD_NAME;
- }
- }
-
- errno = ELOOP;
- return NULL;
-}
-
/*
* Peel the entry (if possible) and return its new peel_status. If
* repeel is true, re-peel the entry even if there is an old peeled