merge script: --squash, --ff from unborn branch are errors

diff --git a/t/t4016-diff-quote.sh b/t/t4016-diff-quote.sh
index edde8f556867c248c84bba35a0d7df6346096487..34e5144eed8958a3f3341574ff8ecbcc6a4157a9 100755 (executable)
--- a/t/t4016-diff-quote.sh
+++ b/t/t4016-diff-quote.sh
@@ -13,6 +13,10 @@ P1='pathname with HT'
 P2='pathname with SP'
 P3='pathname
 with LF'
+: 2>/dev/null >"$P1" && test -f "$P1" && rm -f "$P1" || {
+       skip_all='Your filesystem does not allow tabs in filenames, test skipped.'
+       test_done
+}
 
 test_expect_success setup '
        echo P0.0 >"$P0.0" &&
@@ -45,22 +49,22 @@ cat >expect <<\EOF
 EOF
 test_expect_success 'git diff --summary -M HEAD' '
        git diff --summary -M HEAD >actual &&
-       diff -u expect actual
+       test_cmp expect actual
 '
 
 cat >expect <<\EOF
- pathname.1 => "Rpathname\twith HT.0"            |    0 
- pathname.3 => "Rpathname\nwith LF.0"            |    0 
- "pathname\twith HT.3" => "Rpathname\nwith LF.1" |    0 
- pathname.2 => Rpathname with SP.0               |    0 
- "pathname\twith HT.2" => Rpathname with SP.1    |    0 
- pathname.0 => Rpathname.0                       |    0 
- "pathname\twith HT.0" => Rpathname.1            |    0 
+ pathname.1 => "Rpathname\twith HT.0"            |    0
+ pathname.3 => "Rpathname\nwith LF.0"            |    0
+ "pathname\twith HT.3" => "Rpathname\nwith LF.1" |    0
+ pathname.2 => Rpathname with SP.0               |    0
+ "pathname\twith HT.2" => Rpathname with SP.1    |    0
+ pathname.0 => Rpathname.0                       |    0
+ "pathname\twith HT.0" => Rpathname.1            |    0
  7 files changed, 0 insertions(+), 0 deletions(-)
 EOF
 test_expect_success 'git diff --stat -M HEAD' '
        git diff --stat -M HEAD >actual &&
-       diff -u expect actual
+       test_cmp expect actual
 '
 
 test_done