t/t4254-am-corrupt.sh

   1 #!/bin/sh
   2
   3 test_description='git am with corrupt input'
   4 . ./test-lib.sh
   5
   6 # Note the missing "+++" line:
   7 cat > bad-patch.diff <<'EOF'
   8 From: A U Thor <au.thor@example.com>
   9 diff --git a/f b/f
  10 index 7898192..6178079 100644
  11 --- a/f
  12 @@ -1 +1 @@
  13 -a
  14 +b
  15 EOF
  16
  17 test_expect_success setup '
  18         test $? = 0 &&
  19         echo a > f &&
  20         git add f &&
  21         test_tick &&
  22         git commit -m initial
  23 '
  24
  25 # This used to fail before, too, but with a different diagnostic.
  26 #   fatal: unable to write file '(null)' mode 100644: Bad address
  27 # Also, it had the unwanted side-effect of deleting f.
  28 test_expect_success 'try to apply corrupted patch' '
  29         git am bad-patch.diff 2> actual
  30         test $? = 1
  31 '
  32
  33 cat > expected <<EOF
  34 fatal: git diff header lacks filename information (line 4)
  35 EOF
  36
  37 test_expect_success 'compare diagnostic; ensure file is still here' '
  38         test $? = 0 &&
  39         test -f f &&
  40         test_cmp expected actual
  41 '
  42
  43 test_done