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         for n in 0 1 2 3 4 5
  22         do
  23                 for m in 0 1 2 3 4 5 6 7 8 9
  24                 do
  25                         num=00$n$m &&
  26                         >sub/file-$num &&
  27                         echo file-$num >>expected ||
  28                         return 1
  29                 done
  30         done &&
  31         git add . &&
  32         git commit -m "add a bunch of files" &&
  33
  34         # We remove them all so that we will have something to add
  35         # back with --with-tree and so that we will definitely be
  36         # under the realloc size to trigger the bug.
  37         rm -rf sub &&
  38         git commit -a -m "remove them all" &&
  39
  40         # The bug also requires some entry before our directory so that
  41         # prune_path will modify the_index.cache
  42
  43         mkdir a_directory_that_sorts_before_sub &&
  44         >a_directory_that_sorts_before_sub/file &&
  45         mkdir sub &&
  46         >sub/file &&
  47         git add .
  48 '
  49
  50 test_expect_success 'git -ls-files --with-tree should succeed from subdir' '
  51         # We have to run from a sub-directory to trigger prune_path
  52         # Then we finally get to run our --with-tree test
  53         (
  54                 cd sub &&
  55                 git ls-files --with-tree=HEAD~1 >../output
  56         )
  57 '
  58
  59 test_expect_success \
  60     'git -ls-files --with-tree should add entries from named tree.' \
  61     'test_cmp expected output'
  62
  63 test_done