Andrew's git - gitweb.git/blob - t/t5300-pack-object.sh

   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Junio C Hamano
   4#
   5
   6test_description='git-pack-object
   7
   8'
   9. ./test-lib.sh
  10
  11TRASH=`pwd`
  12
  13test_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 $object || return 1
  33         done <obj-list
  34     } >expect'
  35
  36test_expect_success \
  37    'pack without delta' \
  38    'packname_1=$(git-pack-objects --window=0 test-1 <obj-list)'
  39
  40rm -fr .git2
  41mkdir .git2
  42
  43test_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
  51unset GIT_OBJECT_DIRECTORY
  52cd "$TRASH/.git2"
  53
  54test_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 $path differs.
  61             return 1
  62         }
  63     done'
  64cd "$TRASH"
  65
  66test_expect_success \
  67    'pack with delta' \
  68    'pwd &&
  69     packname_2=$(git-pack-objects test-2 <obj-list)'
  70
  71rm -fr .git2
  72mkdir .git2
  73
  74test_expect_success \
  75    'unpack with delta' \
  76    'GIT_OBJECT_DIRECTORY=.git2/objects &&
  77     export GIT_OBJECT_DIRECTORY &&
  78     git-init-db &&
  79     git-unpack-objects -n <test-2-${packname_2}.pack &&
  80     git-unpack-objects <test-2-${packname_2}.pack'
  81
  82unset GIT_OBJECT_DIRECTORY
  83cd "$TRASH/.git2"
  84test_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 $path differs.
  91             return 1
  92         }
  93     done'
  94cd "$TRASH"
  95
  96rm -fr .git2
  97mkdir .git2
  98
  99test_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 $object || return 1
 110         done <obj-list
 111    } >current &&
 112    diff expect current'
 113
 114
 115test_expect_success \
 116    'use packed deltified objects' \
 117    'GIT_OBJECT_DIRECTORY=.git2/objects &&
 118     export GIT_OBJECT_DIRECTORY &&
 119     rm -f .git2/objects/pack/test-?.idx &&
 120     cp test-2-${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 $object || return 1
 126         done <obj-list
 127    } >current &&
 128    diff expect current'
 129
 130unset GIT_OBJECT_DIRECTORY
 131
 132test_expect_success \
 133    'verify pack' \
 134    'git-verify-pack test-1-${packname_1}.idx test-2-${packname_2}.idx'
 135
 136test_expect_success \
 137    'corrupt a pack and see if verify catches' \
 138    'cp test-1-${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=$l &&
 174     if git-verify-pack test-3.pack
 175     then false
 176     else :;
 177     fi &&
 178
 179     :'
 180
 181test_expect_success \
 182    'build pack index for an existing pack' \
 183    'cp test-1-${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
 199test_done