t/t5319-multi-pack-index.sh

   1 #!/bin/sh
   2
   3 test_description='multi-pack-indexes'
   4 . ./test-lib.sh
   5
   6 midx_read_expect () {
   7         NUM_PACKS=$1
   8         NUM_OBJECTS=$2
   9         {
  10                 cat <<-EOF &&
  11                 header: 4d494458 1 3 $NUM_PACKS
  12                 chunks: pack-names oid-fanout oid-lookup
  13                 num_objects: $NUM_OBJECTS
  14                 packs:
  15                 EOF
  16                 if test $NUM_PACKS -ge 1
  17                 then
  18                         ls pack/ | grep idx | sort
  19                 fi &&
  20                 printf "object-dir: .\n"
  21         } >expect &&
  22         test-tool read-midx . >actual &&
  23         test_cmp expect actual
  24 }
  25
  26 test_expect_success 'write midx with no packs' '
  27         test_when_finished rm -f pack/multi-pack-index &&
  28         git multi-pack-index --object-dir=. write &&
  29         midx_read_expect 0 0
  30 '
  31
  32 generate_objects () {
  33         i=$1
  34         iii=$(printf '%03i' $i)
  35         {
  36                 test-tool genrandom "bar" 200 &&
  37                 test-tool genrandom "baz $iii" 50
  38         } >wide_delta_$iii &&
  39         {
  40                 test-tool genrandom "foo"$i 100 &&
  41                 test-tool genrandom "foo"$(( $i + 1 )) 100 &&
  42                 test-tool genrandom "foo"$(( $i + 2 )) 100
  43         } >deep_delta_$iii &&
  44         {
  45                 echo $iii &&
  46                 test-tool genrandom "$iii" 8192
  47         } >file_$iii &&
  48         git update-index --add file_$iii deep_delta_$iii wide_delta_$iii
  49 }
  50
  51 commit_and_list_objects () {
  52         {
  53                 echo 101 &&
  54                 test-tool genrandom 100 8192;
  55         } >file_101 &&
  56         git update-index --add file_101 &&
  57         tree=$(git write-tree) &&
  58         commit=$(git commit-tree $tree -p HEAD</dev/null) &&
  59         {
  60                 echo $tree &&
  61                 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\)        .*/\\1/"
  62         } >obj-list &&
  63         git reset --hard $commit
  64 }
  65
  66 test_expect_success 'create objects' '
  67         test_commit initial &&
  68         for i in $(test_seq 1 5)
  69         do
  70                 generate_objects $i
  71         done &&
  72         commit_and_list_objects
  73 '
  74
  75 test_expect_success 'write midx with one v1 pack' '
  76         pack=$(git pack-objects --index-version=1 pack/test <obj-list) &&
  77         test_when_finished rm pack/test-$pack.pack pack/test-$pack.idx pack/multi-pack-index &&
  78         git multi-pack-index --object-dir=. write &&
  79         midx_read_expect 1 18
  80 '
  81
  82 test_expect_success 'write midx with one v2 pack' '
  83         git pack-objects --index-version=2,0x40 pack/test <obj-list &&
  84         git multi-pack-index --object-dir=. write &&
  85         midx_read_expect 1 18
  86 '
  87
  88 test_expect_success 'add more objects' '
  89         for i in $(test_seq 6 10)
  90         do
  91                 generate_objects $i
  92         done &&
  93         commit_and_list_objects
  94 '
  95
  96 test_expect_success 'write midx with two packs' '
  97         git pack-objects --index-version=1 pack/test-2 <obj-list &&
  98         git multi-pack-index --object-dir=. write &&
  99         midx_read_expect 2 34
 100 '
 101
 102 test_expect_success 'add more packs' '
 103         for j in $(test_seq 11 20)
 104         do
 105                 generate_objects $j &&
 106                 commit_and_list_objects &&
 107                 git pack-objects --index-version=2 pack/test-pack <obj-list
 108         done
 109 '
 110
 111 test_expect_success 'write midx with twelve packs' '
 112         git multi-pack-index --object-dir=. write &&
 113         midx_read_expect 12 74
 114 '
 115
 116 test_done