t5510: prepare test refs more straightforwardly

diff --git a/t/t5510-fetch.sh b/t/t5510-fetch.sh
index c5e5dfc818cea574b1508c1fb3bb1e1ce23adad8..08d8dbb9172ed82b9f351bf68d529791ddecba12 100755 (executable)
--- a/t/t5510-fetch.sh
+++ b/t/t5510-fetch.sh
@@ -88,7 +88,7 @@ test_expect_success 'fetch --prune on its own works as expected' '
        cd "$D" &&
        git clone . prune &&
        cd prune &&
-       git fetch origin refs/heads/master:refs/remotes/origin/extrabranch &&
+       git update-ref refs/remotes/origin/extrabranch master &&
 
        git fetch --prune origin &&
        test_must_fail git rev-parse origin/extrabranch
@@ -98,7 +98,7 @@ test_expect_success 'fetch --prune with a branch name keeps branches' '
        cd "$D" &&
        git clone . prune-branch &&
        cd prune-branch &&
-       git fetch origin refs/heads/master:refs/remotes/origin/extrabranch &&
+       git update-ref refs/remotes/origin/extrabranch master &&
 
        git fetch --prune origin master &&
        git rev-parse origin/extrabranch
@@ -117,7 +117,7 @@ test_expect_success 'fetch --prune --tags does not delete the remote-tracking br
        cd "$D" &&
        git clone . prune-tags &&
        cd prune-tags &&
-       git fetch origin refs/heads/master:refs/tags/sometag &&
+       git tag sometag master &&
 
        git fetch --prune --tags origin &&
        git rev-parse origin/master &&
@@ -128,7 +128,7 @@ test_expect_success 'fetch --prune --tags with branch does not delete other remo
        cd "$D" &&
        git clone . prune-tags-branch &&
        cd prune-tags-branch &&
-       git fetch origin refs/heads/master:refs/remotes/origin/extrabranch &&
+       git update-ref refs/remotes/origin/extrabranch master &&
 
        git fetch --prune --tags origin master &&
        git rev-parse origin/extrabranch