rerere: remove duplicated functions

diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh
index 90ea081db666d707246e37affc5676e6c3502741..1be7446d8d9f8a46b463f2474a8c25bdd33044d2 100755 (executable)
--- a/t/t0020-crlf.sh
+++ b/t/t0020-crlf.sh
@@ -5,7 +5,7 @@ test_description='CRLF conversion'
 . ./test-lib.sh
 
 q_to_nul () {
-       tr Q '\000'
+       perl -pe 'y/Q/\000/'
 }
 
 q_to_cr () {
@@ -52,7 +52,7 @@ test_expect_success 'safecrlf: autocrlf=input, all CRLF' '
        git config core.safecrlf true &&
 
        for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
-       ! git add allcrlf
+       test_must_fail git add allcrlf
 '
 
 test_expect_success 'safecrlf: autocrlf=input, mixed LF/CRLF' '
@@ -61,7 +61,7 @@ test_expect_success 'safecrlf: autocrlf=input, mixed LF/CRLF' '
        git config core.safecrlf true &&
 
        for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
-       ! git add mixed
+       test_must_fail git add mixed
 '
 
 test_expect_success 'safecrlf: autocrlf=true, all LF' '
@@ -70,7 +70,7 @@ test_expect_success 'safecrlf: autocrlf=true, all LF' '
        git config core.safecrlf true &&
 
        for w in I am all LF; do echo $w; done >alllf &&
-       ! git add alllf
+       test_must_fail git add alllf
 '
 
 test_expect_success 'safecrlf: autocrlf=true mixed LF/CRLF' '
@@ -79,7 +79,7 @@ test_expect_success 'safecrlf: autocrlf=true mixed LF/CRLF' '
        git config core.safecrlf true &&
 
        for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
-       ! git add mixed
+       test_must_fail git add mixed
 '
 
 test_expect_success 'safecrlf: print warning only once' '