t/t4254-am-corrupt.sh

   1 #!/bin/sh
   2
   3 test_description='git am with corrupt input'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 make_mbox_with_nul () {
   9         space=' '
  10         q_nul_in_subject=
  11         q_nul_in_body=
  12         while test $# -ne 0
  13         do
  14                 case "$1" in
  15                 subject) q_nul_in_subject='=00' ;;
  16                 body)    q_nul_in_body='=00' ;;
  17                 esac &&
  18                 shift
  19         done &&
  20         cat <<-EOF
  21         From ec7364544f690c560304f5a5de9428ea3b978b26 Mon Sep 17 00:00:00 2001
  22         From: A U Thor <author@example.com>
  23         Date: Sun, 19 Apr 2020 13:42:07 +0700
  24         Subject: [PATCH] =?ISO-8859-1?q?=C4=CB${q_nul_in_subject}=D1=CF=D6?=
  25         MIME-Version: 1.0
  26         Content-Type: text/plain; charset=ISO-8859-1
  27         Content-Transfer-Encoding: quoted-printable
  28
  29         abc${q_nul_in_body}def
  30         ---
  31         diff --git a/afile b/afile
  32         new file mode 100644
  33         index 0000000000..e69de29bb2
  34         --$space
  35         2.26.1
  36         EOF
  37 }
  38
  39 test_expect_success setup '
  40         # Note the missing "+++" line:
  41         cat >bad-patch.diff <<-\EOF &&
  42         From: A U Thor <au.thor@example.com>
  43         diff --git a/f b/f
  44         index 7898192..6178079 100644
  45         --- a/f
  46         @@ -1 +1 @@
  47         -a
  48         +b
  49         EOF
  50
  51         echo a >f &&
  52         git add f &&
  53         test_tick &&
  54         git commit -m initial
  55 '
  56
  57 # This used to fail before, too, but with a different diagnostic.
  58 #   fatal: unable to write file '(null)' mode 100644: Bad address
  59 # Also, it had the unwanted side-effect of deleting f.
  60 test_expect_success 'try to apply corrupted patch' '
  61         test_when_finished "git am --abort" &&
  62         test_must_fail git -c advice.amWorkDir=false -c advice.mergeConflict=false am bad-patch.diff 2>actual &&
  63         echo "error: git diff header lacks filename information (line 4)" >expected &&
  64         test_path_is_file f &&
  65         test_cmp expected actual
  66 '
  67
  68 test_expect_success "NUL in commit message's body" '
  69         test_when_finished "git am --abort" &&
  70         make_mbox_with_nul body >body.patch &&
  71         test_must_fail git am body.patch 2>err &&
  72         grep "a NUL byte in commit log message not allowed" err
  73 '
  74
  75 test_expect_success "NUL in commit message's header" "
  76         test_when_finished 'git am --abort' &&
  77         make_mbox_with_nul subject >subject.patch &&
  78         test_must_fail git mailinfo msg patch <subject.patch 2>err &&
  79         grep \"a NUL byte in 'Subject' is not allowed\" err &&
  80         test_must_fail git am subject.patch 2>err &&
  81         grep \"a NUL byte in 'Subject' is not allowed\" err
  82 "
  83
  84 test_done