for-each-ref: introduce %(HEAD) asterisk marker

diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh
index 675c2a2cfe2b20050ad68e58e1befd414cdd4866..1d998f8550719afaff0c817ff61eff1a588ec222 100755 (executable)
--- a/t/t6300-for-each-ref.sh
+++ b/t/t6300-for-each-ref.sh
@@ -77,6 +77,7 @@ test_atom head contents:body ''
 test_atom head contents:signature ''
 test_atom head contents 'Initial
 '
+test_atom head HEAD '*'
 
 test_atom tag refname refs/tags/testtag
 test_atom tag upstream ''
@@ -110,6 +111,7 @@ test_atom tag contents:body ''
 test_atom tag contents:signature ''
 test_atom tag contents 'Tagging at 1151939927
 '
+test_atom tag HEAD ' '
 
 test_expect_success 'Check invalid atoms names are errors' '
        test_must_fail git for-each-ref --format="%(INVALID)" refs/heads