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-rw-r--r--refs.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/refs.c b/refs.c
index 046b695bb2..627b7f8698 100644
--- a/refs.c
+++ b/refs.c
@@ -320,6 +320,49 @@ int check_refname_format(const char *refname, int flags)
return check_or_sanitize_refname(refname, flags, NULL);
}
+int refs_fsck_ref(struct ref_store *refs UNUSED, struct fsck_options *o,
+ struct fsck_ref_report *report,
+ const char *refname UNUSED, const struct object_id *oid)
+{
+ if (is_null_oid(oid))
+ return fsck_report_ref(o, report, FSCK_MSG_BAD_REF_OID,
+ "points to invalid object ID '%s'",
+ oid_to_hex(oid));
+
+ return 0;
+}
+
+int refs_fsck_symref(struct ref_store *refs UNUSED, struct fsck_options *o,
+ struct fsck_ref_report *report,
+ const char *refname, const char *target)
+{
+ const char *stripped_refname;
+
+ parse_worktree_ref(refname, NULL, NULL, &stripped_refname);
+
+ if (!strcmp(stripped_refname, "HEAD") &&
+ !starts_with(target, "refs/heads/") &&
+ fsck_report_ref(o, report, FSCK_MSG_BAD_HEAD_TARGET,
+ "HEAD points to non-branch '%s'", target))
+ return -1;
+
+ if (is_root_ref(target))
+ return 0;
+
+ if (check_refname_format(target, 0) &&
+ fsck_report_ref(o, report, FSCK_MSG_BAD_REFERENT_NAME,
+ "points to invalid refname '%s'", target))
+ return -1;
+
+ if (!starts_with(target, "refs/") &&
+ !starts_with(target, "worktrees/") &&
+ fsck_report_ref(o, report, FSCK_MSG_SYMREF_TARGET_IS_NOT_A_REF,
+ "points to non-ref target '%s'", target))
+ return -1;
+
+ return 0;
+}
+
int refs_fsck(struct ref_store *refs, struct fsck_options *o,
struct worktree *wt)
{