t/t5325-reverse-index.sh

   1 #!/bin/sh
   2
   3 test_description='on-disk reverse index'
   4 . ./test-lib.sh
   5
   6 # The below tests want control over the 'pack.writeReverseIndex' setting
   7 # themselves to assert various combinations of it with other options.
   8 sane_unset GIT_TEST_WRITE_REV_INDEX
   9
  10 packdir=.git/objects/pack
  11
  12 test_expect_success 'setup' '
  13         test_commit base &&
  14
  15         pack=$(git pack-objects --all $packdir/pack) &&
  16         rev=$packdir/pack-$pack.rev &&
  17
  18         test_path_is_missing $rev
  19 '
  20
  21 test_index_pack () {
  22         rm -f $rev &&
  23         conf=$1 &&
  24         shift &&
  25         # remove the index since Windows won't overwrite an existing file
  26         rm $packdir/pack-$pack.idx &&
  27         git -c pack.writeReverseIndex=$conf index-pack "$@" \
  28                 $packdir/pack-$pack.pack
  29 }
  30
  31 test_expect_success 'index-pack with pack.writeReverseIndex' '
  32         test_index_pack "" &&
  33         test_path_is_missing $rev &&
  34
  35         test_index_pack false &&
  36         test_path_is_missing $rev &&
  37
  38         test_index_pack true &&
  39         test_path_is_file $rev
  40 '
  41
  42 test_expect_success 'index-pack with --[no-]rev-index' '
  43         for conf in "" true false
  44         do
  45                 test_index_pack "$conf" --rev-index &&
  46                 test_path_exists $rev &&
  47
  48                 test_index_pack "$conf" --no-rev-index &&
  49                 test_path_is_missing $rev
  50         done
  51 '
  52
  53 test_expect_success 'index-pack can verify reverse indexes' '
  54         test_when_finished "rm -f $rev" &&
  55         test_index_pack true &&
  56
  57         test_path_is_file $rev &&
  58         git index-pack --rev-index --verify $packdir/pack-$pack.pack &&
  59
  60         # Intentionally corrupt the reverse index.
  61         chmod u+w $rev &&
  62         printf "xxxx" | dd of=$rev bs=1 count=4 conv=notrunc &&
  63
  64         test_must_fail git index-pack --rev-index --verify \
  65                 $packdir/pack-$pack.pack 2>err &&
  66         grep "validation error" err
  67 '
  68
  69 test_expect_success 'index-pack infers reverse index name with -o' '
  70         git index-pack --rev-index -o other.idx $packdir/pack-$pack.pack &&
  71         test_path_is_file other.idx &&
  72         test_path_is_file other.rev
  73 '
  74
  75 test_expect_success 'pack-objects respects pack.writeReverseIndex' '
  76         test_when_finished "rm -fr pack-1-*" &&
  77
  78         git -c pack.writeReverseIndex= pack-objects --all pack-1 &&
  79         test_path_is_missing pack-1-*.rev &&
  80
  81         git -c pack.writeReverseIndex=false pack-objects --all pack-1 &&
  82         test_path_is_missing pack-1-*.rev &&
  83
  84         git -c pack.writeReverseIndex=true pack-objects --all pack-1 &&
  85         test_path_is_file pack-1-*.rev
  86 '
  87
  88 test_expect_success 'reverse index is not generated when available on disk' '
  89         test_index_pack true &&
  90         test_path_is_file $rev &&
  91
  92         git rev-parse HEAD >tip &&
  93         GIT_TEST_REV_INDEX_DIE_IN_MEMORY=1 git cat-file \
  94                 --batch-check="%(objectsize:disk)" <tip
  95 '
  96
  97 test_expect_success 'revindex in-memory vs on-disk' '
  98         git init repo &&
  99         test_when_finished "rm -fr repo" &&
 100         (
 101                 cd repo &&
 102
 103                 test_commit commit &&
 104
 105                 git rev-list --objects --no-object-names --all >objects &&
 106
 107                 git -c pack.writeReverseIndex=false repack -ad &&
 108                 test_path_is_missing $packdir/pack-*.rev &&
 109                 git cat-file --batch-check="%(objectsize:disk) %(objectname)" \
 110                         <objects >in-core &&
 111
 112                 git -c pack.writeReverseIndex=true repack -ad &&
 113                 test_path_is_file $packdir/pack-*.rev &&
 114                 git cat-file --batch-check="%(objectsize:disk) %(objectname)" \
 115                         <objects >on-disk &&
 116
 117                 test_cmp on-disk in-core
 118         )
 119 '
 120 test_done