t/t5700-clone-reference.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2006 Martin Waitz <tali@admingilde.org>
   4 #
   5
   6 test_description='test clone --reference'
   7 . ./test-lib.sh
   8
   9 base_dir=`pwd`
  10
  11 U=$base_dir/UPLOAD_LOG
  12
  13 test_expect_success 'preparing first repository' \
  14 'test_create_repo A && cd A &&
  15 echo first > file1 &&
  16 git add file1 &&
  17 git commit -m initial'
  18
  19 cd "$base_dir"
  20
  21 test_expect_success 'preparing second repository' \
  22 'git clone A B && cd B &&
  23 echo second > file2 &&
  24 git add file2 &&
  25 git commit -m addition &&
  26 git repack -a -d &&
  27 git prune'
  28
  29 cd "$base_dir"
  30
  31 test_expect_success 'cloning with reference (-l -s)' \
  32 'git clone -l -s --reference B A C'
  33
  34 cd "$base_dir"
  35
  36 test_expect_success 'existence of info/alternates' \
  37 'test_line_count = 2 C/.git/objects/info/alternates'
  38
  39 cd "$base_dir"
  40
  41 test_expect_success 'pulling from reference' \
  42 'cd C &&
  43 git pull ../B master'
  44
  45 cd "$base_dir"
  46
  47 test_expect_success 'that reference gets used' \
  48 'cd C &&
  49 echo "0 objects, 0 kilobytes" > expected &&
  50 git count-objects > current &&
  51 test_cmp expected current'
  52
  53 cd "$base_dir"
  54
  55 rm -f "$U.D"
  56
  57 test_expect_success 'cloning with reference (no -l -s)' \
  58 'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U.D"'
  59
  60 test_expect_success 'fetched no objects' \
  61 '! grep "^want" "$U.D"'
  62
  63 cd "$base_dir"
  64
  65 test_expect_success 'existence of info/alternates' \
  66 'test_line_count = 1 D/.git/objects/info/alternates'
  67
  68 cd "$base_dir"
  69
  70 test_expect_success 'pulling from reference' \
  71 'cd D && git pull ../B master'
  72
  73 cd "$base_dir"
  74
  75 test_expect_success 'that reference gets used' \
  76 'cd D && echo "0 objects, 0 kilobytes" > expected &&
  77 git count-objects > current &&
  78 test_cmp expected current'
  79
  80 cd "$base_dir"
  81
  82 test_expect_success 'updating origin' \
  83 'cd A &&
  84 echo third > file3 &&
  85 git add file3 &&
  86 git commit -m update &&
  87 git repack -a -d &&
  88 git prune'
  89
  90 cd "$base_dir"
  91
  92 test_expect_success 'pulling changes from origin' \
  93 'cd C &&
  94 git pull origin'
  95
  96 cd "$base_dir"
  97
  98 # the 2 local objects are commit and tree from the merge
  99 test_expect_success 'that alternate to origin gets used' \
 100 'cd C &&
 101 echo "2 objects" > expected &&
 102 git count-objects | cut -d, -f1 > current &&
 103 test_cmp expected current'
 104
 105 cd "$base_dir"
 106
 107 test_expect_success 'pulling changes from origin' \
 108 'cd D &&
 109 git pull origin'
 110
 111 cd "$base_dir"
 112
 113 # the 5 local objects are expected; file3 blob, commit in A to add it
 114 # and its tree, and 2 are our tree and the merge commit.
 115 test_expect_success 'check objects expected to exist locally' \
 116 'cd D &&
 117 echo "5 objects" > expected &&
 118 git count-objects | cut -d, -f1 > current &&
 119 test_cmp expected current'
 120
 121 cd "$base_dir"
 122
 123 test_expect_success 'preparing alternate repository #1' \
 124 'test_create_repo F && cd F &&
 125 echo first > file1 &&
 126 git add file1 &&
 127 git commit -m initial'
 128
 129 cd "$base_dir"
 130
 131 test_expect_success 'cloning alternate repo #2 and adding changes to repo #1' \
 132 'git clone F G && cd F &&
 133 echo second > file2 &&
 134 git add file2 &&
 135 git commit -m addition'
 136
 137 cd "$base_dir"
 138
 139 test_expect_success 'cloning alternate repo #1, using #2 as reference' \
 140 'git clone --reference G F H'
 141
 142 cd "$base_dir"
 143
 144 test_expect_success 'cloning with reference being subset of source (-l -s)' \
 145 'git clone -l -s --reference A B E'
 146
 147 cd "$base_dir"
 148
 149 test_expect_success 'clone with reference from a tagged repository' '
 150         (
 151                 cd A && git tag -a -m 'tagged' HEAD
 152         ) &&
 153         git clone --reference=A A I
 154 '
 155
 156 test_expect_success 'prepare branched repository' '
 157         git clone A J &&
 158         (
 159                 cd J &&
 160                 git checkout -b other master^ &&
 161                 echo other >otherfile &&
 162                 git add otherfile &&
 163                 git commit -m other &&
 164                 git checkout master
 165         )
 166 '
 167
 168 rm -f "$U.K"
 169
 170 test_expect_success 'fetch with incomplete alternates' '
 171         git init K &&
 172         echo "$base_dir/A/.git/objects" >K/.git/objects/info/alternates &&
 173         (
 174                 cd K &&
 175                 git remote add J "file://$base_dir/J" &&
 176                 GIT_DEBUG_SEND_PACK=3 git fetch J 3>"$U.K"
 177         ) &&
 178         master_object=$(cd A && git for-each-ref --format="%(objectname)" refs/heads/master) &&
 179         ! grep "^want $master_object" "$U.K" &&
 180         tag_object=$(cd A && git for-each-ref --format="%(objectname)" refs/tags/HEAD) &&
 181         ! grep "^want $tag_object" "$U.K"
 182 '
 183
 184 test_done