test_expect_success setup '
for i in a b c d e f g h i j k l m n; do echo $i; done >file1 &&
- tr "[ijk]" '\''[\0\1\2]'\'' <file1 >file2 &&
+ tr "ijk" '\''\000\001\002'\'' <file1 >file2 &&
git add file1 file2 &&
git commit -m initial &&
git tag initial &&
for i in a b c g h i J K L m o n p q; do echo $i; done >file1 &&
- tr "[mon]" '\''[\0\1\2]'\'' <file1 >file2 &&
+ tr "mon" '\''\000\001\002'\'' <file1 >file2 &&
git commit -a -m second &&
git tag second &&