t/t5325-reverse-index.sh

   1 #!/bin/sh
   2
   3 test_description='on-disk reverse index'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 # The below tests want control over the 'pack.writeReverseIndex' setting
   9 # themselves to assert various combinations of it with other options.
  10 sane_unset GIT_TEST_WRITE_REV_INDEX
  11
  12 packdir=.git/objects/pack
  13
  14 test_expect_success 'setup' '
  15         test_commit base &&
  16
  17         pack=$(git pack-objects --all $packdir/pack) &&
  18         rev=$packdir/pack-$pack.rev &&
  19
  20         test_path_is_missing $rev
  21 '
  22
  23 test_index_pack () {
  24         rm -f $rev &&
  25         conf=$1 &&
  26         shift &&
  27         # remove the index since Windows won't overwrite an existing file
  28         rm $packdir/pack-$pack.idx &&
  29         git -c pack.writeReverseIndex=$conf index-pack "$@" \
  30                 $packdir/pack-$pack.pack
  31 }
  32
  33 test_expect_success 'index-pack with pack.writeReverseIndex' '
  34         test_index_pack "" &&
  35         test_path_is_missing $rev &&
  36
  37         test_index_pack false &&
  38         test_path_is_missing $rev &&
  39
  40         test_index_pack true &&
  41         test_path_is_file $rev
  42 '
  43
  44 test_expect_success 'index-pack with --[no-]rev-index' '
  45         for conf in "" true false
  46         do
  47                 test_index_pack "$conf" --rev-index &&
  48                 test_path_exists $rev &&
  49
  50                 test_index_pack "$conf" --no-rev-index &&
  51                 test_path_is_missing $rev || return 1
  52         done
  53 '
  54
  55 test_expect_success 'index-pack can verify reverse indexes' '
  56         test_when_finished "rm -f $rev" &&
  57         test_index_pack true &&
  58
  59         test_path_is_file $rev &&
  60         git index-pack --rev-index --verify $packdir/pack-$pack.pack &&
  61
  62         # Intentionally corrupt the reverse index.
  63         chmod u+w $rev &&
  64         printf "xxxx" | dd of=$rev bs=1 count=4 conv=notrunc &&
  65
  66         test_must_fail git index-pack --rev-index --verify \
  67                 $packdir/pack-$pack.pack 2>err &&
  68         grep "validation error" err
  69 '
  70
  71 test_expect_success 'index-pack infers reverse index name with -o' '
  72         git index-pack --rev-index -o other.idx $packdir/pack-$pack.pack &&
  73         test_path_is_file other.idx &&
  74         test_path_is_file other.rev
  75 '
  76
  77 test_expect_success 'pack-objects respects pack.writeReverseIndex' '
  78         test_when_finished "rm -fr pack-1-*" &&
  79
  80         git -c pack.writeReverseIndex= pack-objects --all pack-1 &&
  81         test_path_is_missing pack-1-*.rev &&
  82
  83         git -c pack.writeReverseIndex=false pack-objects --all pack-1 &&
  84         test_path_is_missing pack-1-*.rev &&
  85
  86         git -c pack.writeReverseIndex=true pack-objects --all pack-1 &&
  87         test_path_is_file pack-1-*.rev
  88 '
  89
  90 test_expect_success 'reverse index is not generated when available on disk' '
  91         test_index_pack true &&
  92         test_path_is_file $rev &&
  93
  94         git rev-parse HEAD >tip &&
  95         GIT_TEST_REV_INDEX_DIE_IN_MEMORY=1 git cat-file \
  96                 --batch-check="%(objectsize:disk)" <tip
  97 '
  98
  99 test_expect_success 'revindex in-memory vs on-disk' '
 100         git init repo &&
 101         test_when_finished "rm -fr repo" &&
 102         (
 103                 cd repo &&
 104
 105                 test_commit commit &&
 106
 107                 git rev-list --objects --no-object-names --all >objects &&
 108
 109                 git -c pack.writeReverseIndex=false repack -ad &&
 110                 test_path_is_missing $packdir/pack-*.rev &&
 111                 git cat-file --batch-check="%(objectsize:disk) %(objectname)" \
 112                         <objects >in-core &&
 113
 114                 git -c pack.writeReverseIndex=true repack -ad &&
 115                 test_path_is_file $packdir/pack-*.rev &&
 116                 git cat-file --batch-check="%(objectsize:disk) %(objectname)" \
 117                         <objects >on-disk &&
 118
 119                 test_cmp on-disk in-core
 120         )
 121 '
 122 test_done