t/t7510-signed-commit.sh

   1 #!/bin/sh
   2
   3 test_description='signed commit tests'
   4 . ./test-lib.sh
   5 . "$TEST_DIRECTORY/lib-gpg.sh"
   6
   7 test_expect_success GPG 'create signed commits' '
   8         echo 1 >file && git add file &&
   9         test_tick && git commit -S -m initial &&
  10         git tag initial &&
  11         git branch side &&
  12
  13         echo 2 >file && test_tick && git commit -a -S -m second &&
  14         git tag second &&
  15
  16         git checkout side &&
  17         echo 3 >elif && git add elif &&
  18         test_tick && git commit -m "third on side" &&
  19
  20         git checkout master &&
  21         test_tick && git merge -S side &&
  22         git tag merge &&
  23
  24         echo 4 >file && test_tick && git commit -a -m "fourth unsigned" &&
  25         git tag fourth-unsigned &&
  26
  27         test_tick && git commit --amend -S -m "fourth signed" &&
  28         git tag fourth-signed
  29 '
  30
  31 test_expect_success GPG 'show signatures' '
  32         (
  33                 for commit in initial second merge master
  34                 do
  35                         git show --pretty=short --show-signature $commit >actual &&
  36                         grep "Good signature from" actual || exit 1
  37                         ! grep "BAD signature from" actual || exit 1
  38                         echo $commit OK
  39                 done
  40         ) &&
  41         (
  42                 for commit in merge^2 fourth-unsigned
  43                 do
  44                         git show --pretty=short --show-signature $commit >actual &&
  45                         grep "Good signature from" actual && exit 1
  46                         ! grep "BAD signature from" actual || exit 1
  47                         echo $commit OK
  48                 done
  49         )
  50 '
  51
  52 test_expect_success GPG 'detect fudged signature' '
  53         git cat-file commit master >raw &&
  54
  55         sed -e "s/fourth signed/4th forged/" raw >forged1 &&
  56         git hash-object -w -t commit forged1 >forged1.commit &&
  57         git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
  58         grep "BAD signature from" actual1 &&
  59         ! grep "Good signature from" actual1
  60 '
  61
  62 test_expect_success GPG 'detect fudged signature with NUL' '
  63         git cat-file commit master >raw &&
  64         cat raw >forged2 &&
  65         echo Qwik | tr "Q" "\000" >>forged2 &&
  66         git hash-object -w -t commit forged2 >forged2.commit &&
  67         git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
  68         grep "BAD signature from" actual2 &&
  69         ! grep "Good signature from" actual2
  70 '
  71
  72 test_expect_success GPG 'amending already signed commit' '
  73         git checkout fourth-signed^0 &&
  74         git commit --amend -S --no-edit &&
  75         git show -s --show-signature HEAD >actual &&
  76         grep "Good signature from" actual &&
  77         ! grep "BAD signature from" actual
  78 '
  79
  80 test_done