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 --full > fsck.log &&
  21         test_line_count = 0 fsck.log
  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'
  33
  34 cd "$base_dir"
  35
  36 test_expect_success 'preparing second repository' \
  37 'git clone -l -s A B && cd B &&
  38 echo "foo bar" > file2 &&
  39 git add file2 &&
  40 git commit -m "next commit" file2 &&
  41 git repack -a -d -l &&
  42 git prune'
  43
  44 cd "$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'
  53
  54 cd "$base_dir"
  55
  56 test_expect_success '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
  63 test_expect_success 'invalidity of deepest repository' \
  64 'cd H && {
  65         test_valid_repo
  66         test $? -ne 0
  67 }'
  68
  69 cd "$base_dir"
  70
  71 test_expect_success 'validity of third repository' \
  72 'cd C &&
  73 test_valid_repo'
  74
  75 cd "$base_dir"
  76
  77 test_expect_success 'validity of fourth repository' \
  78 'cd D &&
  79 test_valid_repo'
  80
  81 cd "$base_dir"
  82
  83 test_expect_success 'breaking of loops' \
  84 'echo "$base_dir"/B/.git/objects >> "$base_dir"/A/.git/objects/info/alternates&&
  85 cd C &&
  86 test_valid_repo'
  87
  88 cd "$base_dir"
  89
  90 test_expect_success 'that info/alternates is necessary' \
  91 'cd C &&
  92 rm -f .git/objects/info/alternates &&
  93 ! (test_valid_repo)'
  94
  95 cd "$base_dir"
  96
  97 test_expect_success 'that relative alternate is possible for current dir' \
  98 'cd C &&
  99 echo "../../../B/.git/objects" > .git/objects/info/alternates &&
 100 test_valid_repo'
 101
 102 cd "$base_dir"
 103
 104 test_expect_success \
 105     'that relative alternate is only possible for current dir' '
 106     cd D &&
 107     ! (test_valid_repo)
 108 '
 109
 110 cd "$base_dir"
 111
 112 test_done