t/t4103-apply-binary.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 test_description='git apply handling binary patches
   7
   8 '
   9 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
  10 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  11
  12 TEST_PASSES_SANITIZE_LEAK=true
  13 . ./test-lib.sh
  14
  15 test_expect_success 'setup' '
  16         cat >file1 <<-\EOF &&
  17         A quick brown fox jumps over the lazy dog.
  18         A tiny little penguin runs around in circles.
  19         There is a flag with Linux written on it.
  20         A slow black-and-white panda just sits there,
  21         munching on his bamboo.
  22         EOF
  23         cat file1 >file2 &&
  24         cat file1 >file4 &&
  25
  26         git update-index --add --remove file1 file2 file4 &&
  27         git commit -m "Initial Version" 2>/dev/null &&
  28
  29         git checkout -b binary &&
  30         perl -pe "y/x/\000/" <file1 >file3 &&
  31         cat file3 >file4 &&
  32         git add file2 &&
  33         perl -pe "y/\000/v/" <file3 >file1 &&
  34         rm -f file2 &&
  35         git update-index --add --remove file1 file2 file3 file4 &&
  36         git commit -m "Second Version" &&
  37
  38         git diff-tree -p main binary >B.diff &&
  39         git diff-tree -p -C main binary >C.diff &&
  40
  41         git diff-tree -p --binary main binary >BF.diff &&
  42         git diff-tree -p --binary -C main binary >CF.diff &&
  43
  44         git diff-tree -p --full-index main binary >B-index.diff &&
  45         git diff-tree -p -C --full-index main binary >C-index.diff &&
  46
  47         git diff-tree -p --binary --no-prefix main binary -- file3 >B0.diff &&
  48
  49         git init other-repo &&
  50         (
  51                 cd other-repo &&
  52                 git fetch .. main &&
  53                 git reset --hard FETCH_HEAD
  54         )
  55 '
  56
  57 test_expect_success 'stat binary diff -- should not fail.' \
  58         'git checkout main &&
  59          git apply --stat --summary B.diff'
  60
  61 test_expect_success 'stat binary -p0 diff -- should not fail.' '
  62          git checkout main &&
  63          git apply --stat -p0 B0.diff
  64 '
  65
  66 test_expect_success 'stat binary diff (copy) -- should not fail.' \
  67         'git checkout main &&
  68          git apply --stat --summary C.diff'
  69
  70 test_expect_success 'check binary diff -- should fail.' \
  71         'git checkout main &&
  72          test_must_fail git apply --check B.diff'
  73
  74 test_expect_success 'check binary diff (copy) -- should fail.' \
  75         'git checkout main &&
  76          test_must_fail git apply --check C.diff'
  77
  78 test_expect_success \
  79         'check incomplete binary diff with replacement -- should fail.' '
  80         git checkout main &&
  81         test_must_fail git apply --check --allow-binary-replacement B.diff
  82 '
  83
  84 test_expect_success \
  85     'check incomplete binary diff with replacement (copy) -- should fail.' '
  86          git checkout main &&
  87          test_must_fail git apply --check --allow-binary-replacement C.diff
  88 '
  89
  90 test_expect_success 'check binary diff with replacement.' \
  91         'git checkout main &&
  92          git apply --check --allow-binary-replacement BF.diff'
  93
  94 test_expect_success 'check binary diff with replacement (copy).' \
  95         'git checkout main &&
  96          git apply --check --allow-binary-replacement CF.diff'
  97
  98 # Now we start applying them.
  99
 100 do_reset () {
 101         rm -f file? &&
 102         git reset --hard &&
 103         git checkout -f main
 104 }
 105
 106 test_expect_success 'apply binary diff -- should fail.' \
 107         'do_reset &&
 108          test_must_fail git apply B.diff'
 109
 110 test_expect_success 'apply binary diff -- should fail.' \
 111         'do_reset &&
 112          test_must_fail git apply --index B.diff'
 113
 114 test_expect_success 'apply binary diff (copy) -- should fail.' \
 115         'do_reset &&
 116          test_must_fail git apply C.diff'
 117
 118 test_expect_success 'apply binary diff (copy) -- should fail.' \
 119         'do_reset &&
 120          test_must_fail git apply --index C.diff'
 121
 122 test_expect_success 'apply binary diff with full-index' '
 123         do_reset &&
 124         git apply B-index.diff
 125 '
 126
 127 test_expect_success 'apply binary diff with full-index (copy)' '
 128         do_reset &&
 129         git apply C-index.diff
 130 '
 131
 132 test_expect_success 'apply full-index binary diff in new repo' '
 133         (cd other-repo &&
 134          do_reset &&
 135          test_must_fail git apply ../B-index.diff)
 136 '
 137
 138 test_expect_success 'apply binary diff without replacement.' \
 139         'do_reset &&
 140          git apply BF.diff'
 141
 142 test_expect_success 'apply binary diff without replacement (copy).' \
 143         'do_reset &&
 144          git apply CF.diff'
 145
 146 test_expect_success 'apply binary diff.' \
 147         'do_reset &&
 148          git apply --allow-binary-replacement --index BF.diff &&
 149          test -z "$(git diff --name-status binary)"'
 150
 151 test_expect_success 'apply binary diff (copy).' \
 152         'do_reset &&
 153          git apply --allow-binary-replacement --index CF.diff &&
 154          test -z "$(git diff --name-status binary)"'
 155
 156 test_expect_success 'apply binary -p0 diff' '
 157         do_reset &&
 158         git apply -p0 --index B0.diff &&
 159         test -z "$(git diff --name-status binary -- file3)"
 160 '
 161
 162 test_expect_success 'reject truncated binary diff' '
 163         do_reset &&
 164
 165         # this length is calculated to get us very close to
 166         # the 8192-byte strbuf we will use to read in the patch.
 167         test-tool genrandom foo 6205 >file1 &&
 168         git diff --binary >patch &&
 169
 170         # truncate the patch at the second "literal" line,
 171         # but exclude the trailing newline. We must use perl
 172         # for this, since tools like "sed" cannot reliably
 173         # produce output without the trailing newline.
 174         perl -pe "
 175                 if (/^literal/ && \$count++ >= 1) {
 176                         chomp;
 177                         print;
 178                         exit 0;
 179                 }
 180         " <patch >patch.trunc &&
 181
 182         do_reset &&
 183         test_must_fail git apply patch.trunc
 184 '
 185 test_done