t/t2108-update-index-refresh-racy.sh

   1 #!/bin/sh
   2
   3 test_description='update-index refresh tests related to racy timestamps'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 reset_files () {
   9         echo content >file &&
  10         echo content >other &&
  11         test_set_magic_mtime file &&
  12         test_set_magic_mtime other
  13 }
  14
  15 update_assert_changed () {
  16         test_set_magic_mtime .git/index &&
  17         test_might_fail git update-index "$1" &&
  18         ! test_is_magic_mtime .git/index
  19 }
  20
  21 test_expect_success 'setup' '
  22         reset_files &&
  23         # we are calling reset_files() a couple of times during tests;
  24         # test-tool chmtime does not change the ctime; to not weaken
  25         # or even break our tests, disable ctime-checks entirely
  26         git config core.trustctime false &&
  27         git add file other &&
  28         git commit -m "initial import"
  29 '
  30
  31 test_expect_success '--refresh has no racy timestamps to fix' '
  32         reset_files &&
  33         # set the index time far enough to the future;
  34         # it must be at least 3 seconds for VFAT
  35         test_set_magic_mtime .git/index +60 &&
  36         git update-index --refresh &&
  37         test_is_magic_mtime .git/index +60
  38 '
  39
  40 test_expect_success '--refresh should fix racy timestamp' '
  41         reset_files &&
  42         update_assert_changed --refresh
  43 '
  44
  45 test_expect_success '--really-refresh should fix racy timestamp' '
  46         reset_files &&
  47         update_assert_changed --really-refresh
  48 '
  49
  50 test_expect_success '--refresh should fix racy timestamp if other file needs update' '
  51         reset_files &&
  52         echo content2 >other &&
  53         test_set_magic_mtime other &&
  54         update_assert_changed --refresh
  55 '
  56
  57 test_expect_success '--refresh should fix racy timestamp if racy file needs update' '
  58         reset_files &&
  59         echo content2 >file &&
  60         test_set_magic_mtime file &&
  61         update_assert_changed --refresh
  62 '
  63
  64 test_done