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