t/t5300-pack-object.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 test_description='git-pack-object
   7
   8 '
   9 . ./test-lib.sh
  10
  11 TRASH=`pwd`
  12
  13 test_expect_success \
  14     'setup' \
  15     'rm -f .git/index*
  16      for i in a b c
  17      do
  18              dd if=/dev/zero bs=4k count=1 | tr "\\0" $i >$i &&
  19              git-update-index --add $i || return 1
  20      done &&
  21      cat c >d && echo foo >>d && git-update-index --add d &&
  22      tree=`git-write-tree` &&
  23      commit=`git-commit-tree $tree </dev/null` && {
  24          echo $tree &&
  25          echo $commit &&
  26          git-ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\)       .*/\\1/"
  27      } >obj-list && {
  28          git-diff-tree --root -p $commit &&
  29          while read object
  30          do
  31             t=`git-cat-file -t $object` &&
  32             git-cat-file $t $object || return 1
  33          done <obj-list
  34      } >expect'
  35
  36 test_expect_success \
  37     'pack without delta' \
  38     'packname_1=$(git-pack-objects --window=0 test-1 <obj-list)'
  39
  40 rm -fr .git2
  41 mkdir .git2
  42
  43 test_expect_success \
  44     'unpack without delta' \
  45     "GIT_OBJECT_DIRECTORY=.git2/objects &&
  46      export GIT_OBJECT_DIRECTORY &&
  47      git-init-db &&
  48      git-unpack-objects -n <test-1-${packname_1}.pack &&
  49      git-unpack-objects <test-1-${packname_1}.pack"
  50
  51 unset GIT_OBJECT_DIRECTORY
  52 cd "$TRASH/.git2"
  53
  54 test_expect_success \
  55     'check unpack without delta' \
  56     '(cd ../.git && find objects -type f -print) |
  57      while read path
  58      do
  59          cmp $path ../.git/$path || {
  60              echo $path differs.
  61              return 1
  62          }
  63      done'
  64 cd "$TRASH"
  65
  66 test_expect_success \
  67     'pack with delta' \
  68     'pwd &&
  69      packname_2=$(git-pack-objects test-2 <obj-list)'
  70
  71 rm -fr .git2
  72 mkdir .git2
  73
  74 test_expect_success \
  75     'unpack with delta' \
  76     'GIT_OBJECT_DIRECTORY=.git2/objects &&
  77      export GIT_OBJECT_DIRECTORY &&
  78      git-init-db &&
  79      git-unpack-objects -n <test-2-${packname_2}.pack &&
  80      git-unpack-objects <test-2-${packname_2}.pack'
  81
  82 unset GIT_OBJECT_DIRECTORY
  83 cd "$TRASH/.git2"
  84 test_expect_success \
  85     'check unpack with delta' \
  86     '(cd ../.git && find objects -type f -print) |
  87      while read path
  88      do
  89          cmp $path ../.git/$path || {
  90              echo $path differs.
  91              return 1
  92          }
  93      done'
  94 cd "$TRASH"
  95
  96 rm -fr .git2
  97 mkdir .git2
  98
  99 test_expect_success \
 100     'use packed objects' \
 101     'GIT_OBJECT_DIRECTORY=.git2/objects &&
 102      export GIT_OBJECT_DIRECTORY &&
 103      git-init-db &&
 104      cp test-1-${packname_1}.pack test-1-${packname_1}.idx .git2/objects/pack && {
 105          git-diff-tree --root -p $commit &&
 106          while read object
 107          do
 108             t=`git-cat-file -t $object` &&
 109             git-cat-file $t $object || return 1
 110          done <obj-list
 111     } >current &&
 112     diff expect current'
 113
 114
 115 test_expect_success \
 116     'use packed deltified objects' \
 117     'GIT_OBJECT_DIRECTORY=.git2/objects &&
 118      export GIT_OBJECT_DIRECTORY &&
 119      rm -f .git2/objects/pack/test-?.idx &&
 120      cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && {
 121          git-diff-tree --root -p $commit &&
 122          while read object
 123          do
 124             t=`git-cat-file -t $object` &&
 125             git-cat-file $t $object || return 1
 126          done <obj-list
 127     } >current &&
 128     diff expect current'
 129
 130 unset GIT_OBJECT_DIRECTORY
 131
 132 test_expect_success \
 133     'verify pack' \
 134     'git-verify-pack test-1-${packname_1}.idx test-2-${packname_2}.idx'
 135
 136 test_expect_success \
 137     'corrupt a pack and see if verify catches' \
 138     'cp test-1-${packname_1}.idx test-3.idx &&
 139      cp test-2-${packname_2}.pack test-3.pack &&
 140      if git-verify-pack test-3.idx
 141      then false
 142      else :;
 143      fi &&
 144
 145      : PACK_SIGNATURE &&
 146      cp test-1-${packname_1}.pack test-3.pack &&
 147      dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
 148      if git-verify-pack test-3.idx
 149      then false
 150      else :;
 151      fi &&
 152
 153      : PACK_VERSION &&
 154      cp test-1-${packname_1}.pack test-3.pack &&
 155      dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
 156      if git-verify-pack test-3.idx
 157      then false
 158      else :;
 159      fi &&
 160
 161      : TYPE/SIZE byte of the first packed object data &&
 162      cp test-1-${packname_1}.pack test-3.pack &&
 163      dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
 164      if git-verify-pack test-3.idx
 165      then false
 166      else :;
 167      fi &&
 168
 169      : sum of the index file itself &&
 170      l=`wc -c <test-3.idx` &&
 171      l=`expr "$l" - 20` &&
 172      cp test-1-${packname_1}.pack test-3.pack &&
 173      dd if=/dev/zero of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
 174      if git-verify-pack test-3.pack
 175      then false
 176      else :;
 177      fi &&
 178
 179      :'
 180
 181 test_expect_success \
 182     'build pack index for an existing pack' \
 183     'cp test-1-${packname_1}.pack test-3.pack &&
 184      git-index-pack -o tmp.idx test-3.pack &&
 185      cmp tmp.idx test-1-${packname_1}.idx &&
 186
 187      git-index-pack test-3.pack &&
 188      cmp test-3.idx test-1-${packname_1}.idx &&
 189
 190      cp test-2-${packname_2}.pack test-3.pack &&
 191      git-index-pack -o tmp.idx test-2-${packname_2}.pack &&
 192      cmp tmp.idx test-2-${packname_2}.idx &&
 193
 194      git-index-pack test-3.pack &&
 195      cmp test-3.idx test-2-${packname_2}.idx &&
 196
 197      :'
 198
 199 test_done