ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t2100-update-cache-badpath.sh b/t/t2100-update-cache-badpath.sh
index 6ef2dcfd8afece86aaf6345630179af179eb2ed9..2df3fdde8bf665a2b531dd367b70a7a767ee3dbc 100755 (executable)
--- a/t/t2100-update-cache-badpath.sh
+++ b/t/t2100-update-cache-badpath.sh
@@ -26,7 +26,12 @@ All of the attempts should fail.
 
 mkdir path2 path3
 date >path0
-ln -s xyzzy path1
+if test_have_prereq SYMLINKS
+then
+       ln -s xyzzy path1
+else
+       date > path1
+fi
 date >path2/file2
 date >path3/file3
 
@@ -38,7 +43,12 @@ rm -fr path?
 
 mkdir path0 path1
 date >path2
-ln -s frotz path3
+if test_have_prereq SYMLINKS
+then
+       ln -s frotz path3
+else
+       date > path3
+fi
 date >path0/file0
 date >path1/file1