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   1#!/bin/sh
   2#
   3# Copyright (C) 2006 Martin Waitz <tali@admingilde.org>
   4#
   5
   6test_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
  11reachable_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
  19test_valid_repo() {
  20        git fsck --full > fsck.log &&
  21        test_line_count = 0 fsck.log
  22}
  23
  24base_dir=`pwd`
  25
  26test_expect_success 'preparing first repository' \
  27'test_create_repo A && cd A &&
  28echo "Hello World" > file1 &&
  29git add file1 &&
  30git commit -m "Initial commit" file1 &&
  31git repack -a -d &&
  32git prune'
  33
  34cd "$base_dir"
  35
  36test_expect_success 'preparing second repository' \
  37'git clone -l -s A B && cd B &&
  38echo "foo bar" > file2 &&
  39git add file2 &&
  40git commit -m "next commit" file2 &&
  41git repack -a -d -l &&
  42git prune'
  43
  44cd "$base_dir"
  45
  46test_expect_success 'preparing third repository' \
  47'git clone -l -s B C && cd C &&
  48echo "Goodbye, cruel world" > file3 &&
  49git add file3 &&
  50git commit -m "one more" file3 &&
  51git repack -a -d -l &&
  52git prune'
  53
  54cd "$base_dir"
  55
  56test_expect_success 'creating too deep nesting' \
  57'git clone -l -s C D &&
  58git clone -l -s D E &&
  59git clone -l -s E F &&
  60git clone -l -s F G &&
  61test_must_fail git clone --bare -l -s G H'
  62
  63cd "$base_dir"
  64
  65test_expect_success 'validity of third repository' \
  66'cd C &&
  67test_valid_repo'
  68
  69cd "$base_dir"
  70
  71test_expect_success 'validity of fourth repository' \
  72'cd D &&
  73test_valid_repo'
  74
  75cd "$base_dir"
  76
  77test_expect_success 'breaking of loops' \
  78'echo "$base_dir"/B/.git/objects >> "$base_dir"/A/.git/objects/info/alternates&&
  79cd C &&
  80test_valid_repo'
  81
  82cd "$base_dir"
  83
  84test_expect_success 'that info/alternates is necessary' \
  85'cd C &&
  86rm -f .git/objects/info/alternates &&
  87! (test_valid_repo)'
  88
  89cd "$base_dir"
  90
  91test_expect_success 'that relative alternate is possible for current dir' \
  92'cd C &&
  93echo "../../../B/.git/objects" > .git/objects/info/alternates &&
  94test_valid_repo'
  95
  96cd "$base_dir"
  97
  98test_expect_success \
  99    'that relative alternate is only possible for current dir' '
 100    cd D &&
 101    ! (test_valid_repo)
 102'
 103
 104cd "$base_dir"
 105
 106test_done