Merge branch 'as/maint-expire' into maint

* as/maint-expire:
  reflog: honor gc.reflogexpire=never
  prune: honor --expire=never

builtin-prune.c

@@ -18,13 +18,11 @@ static unsigned long expire;
 static int prune_tmp_object(const char *path, const char *filename)
 {
 	const char *fullpath = mkpath("%s/%s", path, filename);
-	if (expire) {
-		struct stat st;
-		if (lstat(fullpath, &st))
-			return error("Could not stat '%s'", fullpath);
-		if (st.st_mtime > expire)
-			return 0;
-	}
+	struct stat st;
+	if (lstat(fullpath, &st))
+		return error("Could not stat '%s'", fullpath);
+	if (st.st_mtime > expire)
+		return 0;
 	printf("Removing stale temporary file %s\n", fullpath);
 	if (!show_only)
 		unlink_or_warn(fullpath);
@@ -34,13 +32,11 @@ static int prune_tmp_object(const char *path, const char *filename)
 static int prune_object(char *path, const char *filename, const unsigned char *sha1)
 {
 	const char *fullpath = mkpath("%s/%s", path, filename);
-	if (expire) {
-		struct stat st;
-		if (lstat(fullpath, &st))
-			return error("Could not stat '%s'", fullpath);
-		if (st.st_mtime > expire)
-			return 0;
-	}
+	struct stat st;
+	if (lstat(fullpath, &st))
+		return error("Could not stat '%s'", fullpath);
+	if (st.st_mtime > expire)
+		return 0;
 	if (show_only || verbose) {
 		enum object_type type = sha1_object_info(sha1, NULL);
 		printf("%s %s\n", sha1_to_hex(sha1),
@@ -139,6 +135,7 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
 	};
 	char *s;
 
+	expire = ULONG_MAX;
 	save_commit_buffer = 0;
 	read_replace_refs = 0;
 	init_revisions(&revs, prefix);

builtin-reflog.c

@@ -530,16 +530,14 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
 	int i, status, do_all;
 	int explicit_expiry = 0;
 
+	default_reflog_expire_unreachable = now - 30 * 24 * 3600;
+	default_reflog_expire = now - 90 * 24 * 3600;
 	git_config(reflog_expire_config, NULL);
 
 	save_commit_buffer = 0;
 	do_all = status = 0;
 	memset(&cb, 0, sizeof(cb));
 
-	if (!default_reflog_expire_unreachable)
-		default_reflog_expire_unreachable = now - 30 * 24 * 3600;
-	if (!default_reflog_expire)
-		default_reflog_expire = now - 90 * 24 * 3600;
 	cb.expire_total = default_reflog_expire;
 	cb.expire_unreachable = default_reflog_expire_unreachable;
 

t/t1410-reflog.sh

@@ -214,4 +214,45 @@ test_expect_success 'delete' '
 
 '
 
+test_expect_success 'rewind2' '
+
+	test_tick && git reset --hard HEAD~2 &&
+	loglen=$(wc -l <.git/logs/refs/heads/master) &&
+	test $loglen = 4
+
+'
+
+test_expect_success '--expire=never' '
+
+	git reflog expire --verbose \
+		--expire=never \
+		--expire-unreachable=never \
+		--all &&
+	loglen=$(wc -l <.git/logs/refs/heads/master) &&
+	test $loglen = 4
+
+'
+
+test_expect_success 'gc.reflogexpire=never' '
+
+	git config gc.reflogexpire never &&
+	git config gc.reflogexpireunreachable never &&
+	git reflog expire --verbose --all &&
+	loglen=$(wc -l <.git/logs/refs/heads/master) &&
+	test $loglen = 4
+'
+
+test_expect_success 'gc.reflogexpire=false' '
+
+	git config gc.reflogexpire false &&
+	git config gc.reflogexpireunreachable false &&
+	git reflog expire --verbose --all &&
+	loglen=$(wc -l <.git/logs/refs/heads/master) &&
+	test $loglen = 4 &&
+
+	git config --unset gc.reflogexpire &&
+	git config --unset gc.reflogexpireunreachable
+
+'
+
 test_done

t/t5304-prune.sh

@@ -148,6 +148,38 @@ test_expect_success 'gc --prune=<date>' '
 
 '
 
+test_expect_success 'gc --prune=never' '
+
+	add_blob &&
+	git gc --prune=never &&
+	test -f $BLOB_FILE &&
+	git gc --prune=now &&
+	test ! -f $BLOB_FILE
+
+'
+
+test_expect_success 'gc respects gc.pruneExpire=never' '
+
+	git config gc.pruneExpire never &&
+	add_blob &&
+	git gc &&
+	test -f $BLOB_FILE &&
+	git config gc.pruneExpire now &&
+	git gc &&
+	test ! -f $BLOB_FILE
+
+'
+
+test_expect_success 'prune --expire=never' '
+
+	add_blob &&
+	git prune --expire=never &&
+	test -f $BLOB_FILE &&
+	git prune &&
+	test ! -f $BLOB_FILE
+
+'
+
 test_expect_success 'gc: prune old objects after local clone' '
 	add_blob &&
 	test-chmtime =-$((2*$week+1)) $BLOB_FILE &&