refactor userdiff textconv code

diff --git a/t/t5510-fetch.sh b/t/t5510-fetch.sh
index de26c203270522983f9ffae4e0bde64a61898567..9e679b402dc826185377c431d353decd8a8a2bed 100755 (executable)
--- a/t/t5510-fetch.sh
+++ b/t/t5510-fetch.sh
@@ -303,4 +303,36 @@ test_expect_success 'pushing nonexistent branch by mistake should not segv' '
 
 '
 
+test_expect_success 'auto tag following fetches minimum' '
+
+       cd "$D" &&
+       git clone .git follow &&
+       git checkout HEAD^0 &&
+       (
+               for i in 1 2 3 4 5 6 7
+               do
+                       echo $i >>file &&
+                       git commit -m $i -a &&
+                       git tag -a -m $i excess-$i || exit 1
+               done
+       ) &&
+       git checkout master &&
+       (
+               cd follow &&
+               git fetch
+       )
+'
+
+test_expect_success 'refuse to fetch into the current branch' '
+
+       test_must_fail git fetch . side:master
+
+'
+
+test_expect_success 'fetch into the current branch with --update-head-ok' '
+
+       git fetch --update-head-ok . side:master
+
+'
+
 test_done