git-show: do not segfault when showing a bad tag

diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index 1fc06c5a23b50d54c33755a9fce4ddd9ed3b9c79..dba3a1b48f70c47b405d85f140684b181e62002a 100755 (executable)
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -983,7 +983,7 @@ test_expect_success \
         git checkout subuse1 &&
         rm -rf sub && mkdir sub && cd sub &&
         git init &&
-        git fetch .. refs/heads/sub:refs/heads/master &&
+        git fetch --update-head-ok .. refs/heads/sub:refs/heads/master &&
         git checkout master &&
         cd .. &&
         git submodule init &&
@@ -1045,7 +1045,7 @@ DATA
 INPUT_END
 
 test_expect_success 'P: fail on inline gitlink' '
-    ! git-fast-import <input'
+    test_must_fail git-fast-import <input'
 
 test_tick
 cat >input <<INPUT_END
@@ -1068,6 +1068,6 @@ M 160000 :1 sub
 INPUT_END
 
 test_expect_success 'P: fail on blob mark in gitlink' '
-    ! git-fast-import <input'
+    test_must_fail git-fast-import <input'
 
 test_done