t/t5100-mailinfo.sh: use the $( ... ) construct for command substitution

diff --git a/t/t1401-symbolic-ref.sh b/t/t1401-symbolic-ref.sh
index 36378b0e3f5b271388fd0935149eea406caea0d0..e6c5830d70e9de7ea61c91d2ddc157dfd5fc9734 100755 (executable)
--- a/t/t1401-symbolic-ref.sh
+++ b/t/t1401-symbolic-ref.sh
@@ -29,7 +29,7 @@ reset_to_sane
 
 test_expect_success 'symbolic-ref refuses bare sha1' '
        echo content >file && git add file && git commit -m one &&
-       test_must_fail git symbolic-ref HEAD `git rev-parse HEAD`
+       test_must_fail git symbolic-ref HEAD $(git rev-parse HEAD)
 '
 reset_to_sane
 
@@ -63,4 +63,33 @@ test_expect_success 'symbolic-ref fails to delete real ref' '
 '
 reset_to_sane
 
+test_expect_success 'create large ref name' '
+       # make 256+ character ref; some systems may not handle that,
+       # so be gentle
+       long=0123456789abcdef &&
+       long=$long/$long/$long/$long &&
+       long=$long/$long/$long/$long &&
+       long_ref=refs/heads/$long &&
+       tree=$(git write-tree) &&
+       commit=$(echo foo | git commit-tree $tree) &&
+       if git update-ref $long_ref $commit; then
+               test_set_prereq LONG_REF
+       else
+               echo >&2 "long refs not supported"
+       fi
+'
+
+test_expect_success LONG_REF 'symbolic-ref can point to large ref name' '
+       git symbolic-ref HEAD $long_ref &&
+       echo $long_ref >expect &&
+       git symbolic-ref HEAD >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success LONG_REF 'we can parse long symbolic ref' '
+       echo $commit >expect &&
+       git rev-parse --verify HEAD >actual &&
+       test_cmp expect actual
+'
+
 test_done