t / t3060-ls-files-with-tree.shon commit checkout: advice how to get out of detached HEAD mode (af9ded5)
   1#!/bin/sh
   2#
   3# Copyright (c) 2007 Carl D. Worth
   4#
   5
   6test_description='git ls-files test (--with-tree).
   7
   8This test runs git ls-files --with-tree and in particular in
   9a scenario known to trigger a crash with some versions of git.
  10'
  11. ./test-lib.sh
  12
  13test_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
  50test_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
  59test_expect_success \
  60    'git -ls-files --with-tree should add entries from named tree.' \
  61    'test_cmp expected output'
  62
  63test_done