t/t5710-info-alternate.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2006 Martin Waitz <tali@admingilde.org>
   4 #
   5
   6 test_description='test transitive info/alternate entries'
   7 . ./test-lib.sh
   8
   9 # test that a file is not reachable in the current repository
  10 # but that it is after creating a info/alternate entry
  11 reachable_via() {
  12         alternate="$1"
  13         file="$2"
  14         if git cat-file -e "HEAD:$file"; then return 1; fi
  15         echo "$alternate" >> .git/objects/info/alternate
  16         git cat-file -e "HEAD:$file"
  17 }
  18
  19 test_valid_repo() {
  20         git fsck-objects --full > fsck.log &&
  21         test `wc -l < fsck.log` = 0
  22 }
  23
  24 base_dir=`pwd`
  25
  26 test_expect_success 'preparing first repository' \
  27 'test_create_repo A && cd A &&
  28 echo "Hello World" > file1 &&
  29 git add file1 &&
  30 git commit -m "Initial commit" file1 &&
  31 git repack -a -d &&
  32 git prune --grace=off'
  33
  34 cd "$base_dir"
  35
  36 test_expect_success 'preparing second repository' \
  37 'git clone -l -s A B && cd B &&
  38 echo "foo bar" > file2 &&
  39 git add file2 &&
  40 git commit -m "next commit" file2 &&
  41 git repack -a -d -l &&
  42 git prune --grace=off'
  43
  44 cd "$base_dir"
  45
  46 test_expect_success 'preparing third repository' \
  47 'git clone -l -s B C && cd C &&
  48 echo "Goodbye, cruel world" > file3 &&
  49 git add file3 &&
  50 git commit -m "one more" file3 &&
  51 git repack -a -d -l &&
  52 git prune --grace=off'
  53
  54 cd "$base_dir"
  55
  56 test_expect_failure 'creating too deep nesting' \
  57 'git clone -l -s C D &&
  58 git clone -l -s D E &&
  59 git clone -l -s E F &&
  60 git clone -l -s F G &&
  61 git clone -l -s G H &&
  62 cd H &&
  63 test_valid_repo'
  64
  65 cd "$base_dir"
  66
  67 test_expect_success 'validity of third repository' \
  68 'cd C &&
  69 test_valid_repo'
  70
  71 cd "$base_dir"
  72
  73 test_expect_success 'validity of fourth repository' \
  74 'cd D &&
  75 test_valid_repo'
  76
  77 cd "$base_dir"
  78
  79 test_expect_success 'breaking of loops' \
  80 "echo '$base_dir/B/.git/objects' >> '$base_dir'/A/.git/objects/info/alternates&&
  81 cd C &&
  82 test_valid_repo"
  83
  84 cd "$base_dir"
  85
  86 test_expect_failure 'that info/alternates is necessary' \
  87 'cd C &&
  88 rm .git/objects/info/alternates &&
  89 test_valid_repo'
  90
  91 cd "$base_dir"
  92
  93 test_expect_success 'that relative alternate is possible for current dir' \
  94 'cd C &&
  95 echo "../../../B/.git/objects" > .git/objects/info/alternates &&
  96 test_valid_repo'
  97
  98 cd "$base_dir"
  99
 100 test_expect_failure 'that relative alternate is only possible for current dir' \
 101 'cd D &&
 102 test_valid_repo'
 103
 104 cd "$base_dir"
 105
 106 test_done
 107