test-lib: use subshell instead of cd $new && .. && cd $old

diff --git a/t/t5520-pull.sh b/t/t5520-pull.sh
index c5a2e66a09b9a871fb97142a58de51097a685ae0..319e389ed0dbb9c920d8d619cdf94ab52145e9f4 100755 (executable)
--- a/t/t5520-pull.sh
+++ b/t/t5520-pull.sh
@@ -26,7 +26,7 @@ cd "$D"
 test_expect_success 'checking the results' '
        test -f file &&
        test -f cloned/file &&
-       diff file cloned/file
+       test_cmp file cloned/file
 '
 
 test_expect_success 'pulling into void using master:master' '
@@ -117,6 +117,19 @@ test_expect_success '--rebase with rebased default upstream' '
 
 '
 
+test_expect_success 'rebased upstream + fetch + pull --rebase' '
+
+       git update-ref refs/remotes/me/copy copy-orig &&
+       git reset --hard to-rebase-orig &&
+       git checkout --track -b to-rebase3 me/copy &&
+       git reset --hard to-rebase-orig &&
+       git fetch &&
+       git pull --rebase &&
+       test "conflicting modification" = "$(cat file)" &&
+       test file = "$(cat file2)"
+
+'
+
 test_expect_success 'pull --rebase dies early with dirty working directory' '
 
        git checkout to-rebase &&
@@ -136,4 +149,15 @@ test_expect_success 'pull --rebase dies early with dirty working directory' '
 
 '
 
+test_expect_success 'pull --rebase works on branch yet to be born' '
+       git rev-parse master >expect &&
+       mkdir empty_repo &&
+       (cd empty_repo &&
+        git init &&
+        git pull --rebase .. master &&
+        git rev-parse HEAD >../actual
+       ) &&
+       test_cmp expect actual
+'
+
 test_done