t/t4122-apply-symlink-inside.sh

   1 #!/bin/sh
   2
   3 test_description='apply to deeper directory without getting fooled with symlink'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 TEST_PASSES_SANITIZE_LEAK=true
   8 . ./test-lib.sh
   9
  10 test_expect_success setup '
  11
  12         mkdir -p arch/i386/boot arch/x86_64 &&
  13         test_write_lines 1 2 3 4 5 >arch/i386/boot/Makefile &&
  14         test_ln_s_add ../i386/boot arch/x86_64/boot &&
  15         git add . &&
  16         test_tick &&
  17         git commit -m initial &&
  18         git branch test &&
  19
  20         rm arch/x86_64/boot &&
  21         mkdir arch/x86_64/boot &&
  22         test_write_lines 2 3 4 5 6 >arch/x86_64/boot/Makefile &&
  23         git add . &&
  24         test_tick &&
  25         git commit -a -m second &&
  26
  27         git format-patch --binary -1 --stdout >test.patch
  28
  29 '
  30
  31 test_expect_success apply '
  32
  33         git checkout test &&
  34         git diff --exit-code test &&
  35         git diff --exit-code --cached test &&
  36         git apply --index test.patch
  37
  38 '
  39
  40 test_expect_success 'check result' '
  41
  42         git diff --exit-code main &&
  43         git diff --exit-code --cached main &&
  44         test_tick &&
  45         git commit -m replay &&
  46         T1=$(git rev-parse "main^{tree}") &&
  47         T2=$(git rev-parse "HEAD^{tree}") &&
  48         test "z$T1" = "z$T2"
  49
  50 '
  51
  52 test_expect_success SYMLINKS 'do not read from beyond symbolic link' '
  53         git reset --hard &&
  54         mkdir -p arch/x86_64/dir &&
  55         >arch/x86_64/dir/file &&
  56         git add arch/x86_64/dir/file &&
  57         echo line >arch/x86_64/dir/file &&
  58         git diff >patch &&
  59         git reset --hard &&
  60
  61         mkdir arch/i386/dir &&
  62         >arch/i386/dir/file &&
  63         ln -s ../i386/dir arch/x86_64/dir &&
  64
  65         test_must_fail git apply patch &&
  66         test_must_fail git apply --cached patch &&
  67         test_must_fail git apply --index patch
  68
  69 '
  70
  71 test_expect_success SYMLINKS 'do not follow symbolic link (setup)' '
  72
  73         rm -rf arch/i386/dir arch/x86_64/dir &&
  74         git reset --hard &&
  75         ln -s ../i386/dir arch/x86_64/dir &&
  76         git add arch/x86_64/dir &&
  77         git diff HEAD >add_symlink.patch &&
  78         git reset --hard &&
  79
  80         mkdir arch/x86_64/dir &&
  81         >arch/x86_64/dir/file &&
  82         git add arch/x86_64/dir/file &&
  83         git diff HEAD >add_file.patch &&
  84         git diff -R HEAD >del_file.patch &&
  85         git reset --hard &&
  86         rm -fr arch/x86_64/dir &&
  87
  88         cat add_symlink.patch add_file.patch >patch &&
  89         cat add_symlink.patch del_file.patch >tricky_del &&
  90
  91         mkdir arch/i386/dir
  92 '
  93
  94 test_expect_success SYMLINKS 'do not follow symbolic link (same input)' '
  95
  96         # same input creates a confusing symbolic link
  97         test_must_fail git apply patch 2>error-wt &&
  98         test_grep "beyond a symbolic link" error-wt &&
  99         test_path_is_missing arch/x86_64/dir &&
 100         test_path_is_missing arch/i386/dir/file &&
 101
 102         test_must_fail git apply --index patch 2>error-ix &&
 103         test_grep "beyond a symbolic link" error-ix &&
 104         test_path_is_missing arch/x86_64/dir &&
 105         test_path_is_missing arch/i386/dir/file &&
 106         test_must_fail git ls-files --error-unmatch arch/x86_64/dir &&
 107         test_must_fail git ls-files --error-unmatch arch/i386/dir &&
 108
 109         test_must_fail git apply --cached patch 2>error-ct &&
 110         test_grep "beyond a symbolic link" error-ct &&
 111         test_must_fail git ls-files --error-unmatch arch/x86_64/dir &&
 112         test_must_fail git ls-files --error-unmatch arch/i386/dir &&
 113
 114         >arch/i386/dir/file &&
 115         git add arch/i386/dir/file &&
 116
 117         test_must_fail git apply tricky_del &&
 118         test_path_is_file arch/i386/dir/file &&
 119
 120         test_must_fail git apply --index tricky_del &&
 121         test_path_is_file arch/i386/dir/file &&
 122         test_must_fail git ls-files --error-unmatch arch/x86_64/dir &&
 123         git ls-files --error-unmatch arch/i386/dir &&
 124
 125         test_must_fail git apply --cached tricky_del &&
 126         test_must_fail git ls-files --error-unmatch arch/x86_64/dir &&
 127         git ls-files --error-unmatch arch/i386/dir
 128 '
 129
 130 test_expect_success SYMLINKS 'do not follow symbolic link (existing)' '
 131
 132         # existing symbolic link
 133         git reset --hard &&
 134         ln -s ../i386/dir arch/x86_64/dir &&
 135         git add arch/x86_64/dir &&
 136
 137         test_must_fail git apply add_file.patch 2>error-wt-add &&
 138         test_grep "beyond a symbolic link" error-wt-add &&
 139         test_path_is_missing arch/i386/dir/file &&
 140
 141         mkdir arch/i386/dir &&
 142         >arch/i386/dir/file &&
 143         test_must_fail git apply del_file.patch 2>error-wt-del &&
 144         test_grep "beyond a symbolic link" error-wt-del &&
 145         test_path_is_file arch/i386/dir/file &&
 146         rm arch/i386/dir/file &&
 147
 148         test_must_fail git apply --index add_file.patch 2>error-ix-add &&
 149         test_grep "beyond a symbolic link" error-ix-add &&
 150         test_path_is_missing arch/i386/dir/file &&
 151         test_must_fail git ls-files --error-unmatch arch/i386/dir &&
 152
 153         test_must_fail git apply --cached add_file.patch 2>error-ct-file &&
 154         test_grep "beyond a symbolic link" error-ct-file &&
 155         test_must_fail git ls-files --error-unmatch arch/i386/dir
 156 '
 157
 158 test_done