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-lib.sh
   8
   9 test_expect_success setup '
  10
  11         mkdir -p arch/i386/boot arch/x86_64 &&
  12         test_write_lines 1 2 3 4 5 >arch/i386/boot/Makefile &&
  13         test_ln_s_add ../i386/boot arch/x86_64/boot &&
  14         git add . &&
  15         test_tick &&
  16         git commit -m initial &&
  17         git branch test &&
  18
  19         rm arch/x86_64/boot &&
  20         mkdir arch/x86_64/boot &&
  21         test_write_lines 2 3 4 5 6 >arch/x86_64/boot/Makefile &&
  22         git add . &&
  23         test_tick &&
  24         git commit -a -m second &&
  25
  26         git format-patch --binary -1 --stdout >test.patch
  27
  28 '
  29
  30 test_expect_success apply '
  31
  32         git checkout test &&
  33         git diff --exit-code test &&
  34         git diff --exit-code --cached test &&
  35         git apply --index test.patch
  36
  37 '
  38
  39 test_expect_success 'check result' '
  40
  41         git diff --exit-code main &&
  42         git diff --exit-code --cached main &&
  43         test_tick &&
  44         git commit -m replay &&
  45         T1=$(git rev-parse "main^{tree}") &&
  46         T2=$(git rev-parse "HEAD^{tree}") &&
  47         test "z$T1" = "z$T2"
  48
  49 '
  50
  51 test_expect_success SYMLINKS 'do not read from beyond symbolic link' '
  52         git reset --hard &&
  53         mkdir -p arch/x86_64/dir &&
  54         >arch/x86_64/dir/file &&
  55         git add arch/x86_64/dir/file &&
  56         echo line >arch/x86_64/dir/file &&
  57         git diff >patch &&
  58         git reset --hard &&
  59
  60         mkdir arch/i386/dir &&
  61         >arch/i386/dir/file &&
  62         ln -s ../i386/dir arch/x86_64/dir &&
  63
  64         test_must_fail git apply patch &&
  65         test_must_fail git apply --cached patch &&
  66         test_must_fail git apply --index patch
  67
  68 '
  69
  70 test_expect_success SYMLINKS 'do not follow symbolic link (setup)' '
  71
  72         rm -rf arch/i386/dir arch/x86_64/dir &&
  73         git reset --hard &&
  74         ln -s ../i386/dir arch/x86_64/dir &&
  75         git add arch/x86_64/dir &&
  76         git diff HEAD >add_symlink.patch &&
  77         git reset --hard &&
  78
  79         mkdir arch/x86_64/dir &&
  80         >arch/x86_64/dir/file &&
  81         git add arch/x86_64/dir/file &&
  82         git diff HEAD >add_file.patch &&
  83         git diff -R HEAD >del_file.patch &&
  84         git reset --hard &&
  85         rm -fr arch/x86_64/dir &&
  86
  87         cat add_symlink.patch add_file.patch >patch &&
  88         cat add_symlink.patch del_file.patch >tricky_del &&
  89
  90         mkdir arch/i386/dir
  91 '
  92
  93 test_expect_success SYMLINKS 'do not follow symbolic link (same input)' '
  94
  95         # same input creates a confusing symbolic link
  96         test_must_fail git apply patch 2>error-wt &&
  97         test_i18ngrep "beyond a symbolic link" error-wt &&
  98         test_path_is_missing arch/x86_64/dir &&
  99         test_path_is_missing arch/i386/dir/file &&
 100
 101         test_must_fail git apply --index patch 2>error-ix &&
 102         test_i18ngrep "beyond a symbolic link" error-ix &&
 103         test_path_is_missing arch/x86_64/dir &&
 104         test_path_is_missing arch/i386/dir/file &&
 105         test_must_fail git ls-files --error-unmatch arch/x86_64/dir &&
 106         test_must_fail git ls-files --error-unmatch arch/i386/dir &&
 107
 108         test_must_fail git apply --cached patch 2>error-ct &&
 109         test_i18ngrep "beyond a symbolic link" error-ct &&
 110         test_must_fail git ls-files --error-unmatch arch/x86_64/dir &&
 111         test_must_fail git ls-files --error-unmatch arch/i386/dir &&
 112
 113         >arch/i386/dir/file &&
 114         git add arch/i386/dir/file &&
 115
 116         test_must_fail git apply tricky_del &&
 117         test_path_is_file arch/i386/dir/file &&
 118
 119         test_must_fail git apply --index tricky_del &&
 120         test_path_is_file arch/i386/dir/file &&
 121         test_must_fail git ls-files --error-unmatch arch/x86_64/dir &&
 122         git ls-files --error-unmatch arch/i386/dir &&
 123
 124         test_must_fail git apply --cached tricky_del &&
 125         test_must_fail git ls-files --error-unmatch arch/x86_64/dir &&
 126         git ls-files --error-unmatch arch/i386/dir
 127 '
 128
 129 test_expect_success SYMLINKS 'do not follow symbolic link (existing)' '
 130
 131         # existing symbolic link
 132         git reset --hard &&
 133         ln -s ../i386/dir arch/x86_64/dir &&
 134         git add arch/x86_64/dir &&
 135
 136         test_must_fail git apply add_file.patch 2>error-wt-add &&
 137         test_i18ngrep "beyond a symbolic link" error-wt-add &&
 138         test_path_is_missing arch/i386/dir/file &&
 139
 140         mkdir arch/i386/dir &&
 141         >arch/i386/dir/file &&
 142         test_must_fail git apply del_file.patch 2>error-wt-del &&
 143         test_i18ngrep "beyond a symbolic link" error-wt-del &&
 144         test_path_is_file arch/i386/dir/file &&
 145         rm arch/i386/dir/file &&
 146
 147         test_must_fail git apply --index add_file.patch 2>error-ix-add &&
 148         test_i18ngrep "beyond a symbolic link" error-ix-add &&
 149         test_path_is_missing arch/i386/dir/file &&
 150         test_must_fail git ls-files --error-unmatch arch/i386/dir &&
 151
 152         test_must_fail git apply --cached add_file.patch 2>error-ct-file &&
 153         test_i18ngrep "beyond a symbolic link" error-ct-file &&
 154         test_must_fail git ls-files --error-unmatch arch/i386/dir
 155 '
 156
 157 test_done