From: Michael Haggerty <mhagger@alum.mit.edu>
Date: Wed, 3 Jun 2015 13:51:58 +0000 (+0200)
Subject: read_loose_refs(): simplify function logic
X-Git-Tag: v2.4.8~5^2~1
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/f5517074f8f5cecc773b2ff927be4a059f2c9db0?ds=inline;hp=--cc

read_loose_refs(): simplify function logic

Make it clearer that there are two possible ways to read the
reference, but that we handle read errors uniformly regardless of
which way it was read.

This refactoring also makes the following change easier to implement.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

f5517074f8f5cecc773b2ff927be4a059f2c9db0
diff --git a/refs.c b/refs.c
index 3a26ad4e65..3c311d44c1 100644
--- a/refs.c
+++ b/refs.c
@@ -1281,19 +1281,24 @@ static void read_loose_refs(const char *dirname, struct ref_dir *dir)
 					 create_dir_entry(refs, refname.buf,
 							  refname.len, 1));
 		} else {
+			int read_ok;
+
 			if (*refs->name) {
 				hashclr(sha1);
 				flag = 0;
-				if (resolve_gitlink_ref(refs->name, refname.buf, sha1) < 0) {
-					hashclr(sha1);
-					flag |= REF_ISBROKEN;
-				}
-			} else if (read_ref_full(refname.buf,
-						 RESOLVE_REF_READING,
-						 sha1, &flag)) {
+				read_ok = !resolve_gitlink_ref(refs->name,
+							       refname.buf, sha1);
+			} else {
+				read_ok = !read_ref_full(refname.buf,
+							 RESOLVE_REF_READING,
+							 sha1, &flag);
+			}
+
+			if (!read_ok) {
 				hashclr(sha1);
 				flag |= REF_ISBROKEN;
 			}
+
 			if (check_refname_format(refname.buf,
 						 REFNAME_ALLOW_ONELEVEL)) {
 				hashclr(sha1);