t/t3060-ls-files-with-tree.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Carl D. Worth
   4 #
   5
   6 test_description='git ls-files test (--with-tree).
   7
   8 This test runs git ls-files --with-tree and in particular in
   9 a scenario known to trigger a crash with some versions of git.
  10 '
  11 . ./test-lib.sh
  12
  13 test_expect_success setup '
  14
  15         # The bug we are exercising requires a fair number of entries
  16         # in a sub-directory so that add_index_entry will trigger a
  17         # realloc.
  18
  19         echo file >expected &&
  20         mkdir sub &&
  21         bad= &&
  22         for n in 0 1 2 3 4 5
  23         do
  24                 for m in 0 1 2 3 4 5 6 7 8 9
  25                 do
  26                         num=00$n$m &&
  27                         >sub/file-$num &&
  28                         echo file-$num >>expected || {
  29                                 bad=t
  30                                 break
  31                         }
  32                 done && test -z "$bad" || {
  33                         bad=t
  34                         break
  35                 }
  36         done && test -z "$bad" &&
  37         git add . &&
  38         git commit -m "add a bunch of files" &&
  39
  40         # We remove them all so that we will have something to add
  41         # back with --with-tree and so that we will definitely be
  42         # under the realloc size to trigger the bug.
  43         rm -rf sub &&
  44         git commit -a -m "remove them all" &&
  45
  46         # The bug also requires some entry before our directory so that
  47         # prune_path will modify the_index.cache
  48
  49         mkdir a_directory_that_sorts_before_sub &&
  50         >a_directory_that_sorts_before_sub/file &&
  51         mkdir sub &&
  52         >sub/file &&
  53         git add .
  54 '
  55
  56 test_expect_success 'git -ls-files --with-tree should succeed from subdir' '
  57         # We have to run from a sub-directory to trigger prune_path
  58         # Then we finally get to run our --with-tree test
  59         (
  60                 cd sub &&
  61                 git ls-files --with-tree=HEAD~1 >../output
  62         )
  63 '
  64
  65 test_expect_success \
  66     'git -ls-files --with-tree should add entries from named tree.' \
  67     'test_cmp expected output'
  68
  69 test_done