t/t6022-rev-list-missing.sh

   1 #!/bin/sh
   2
   3 test_description='handling of missing objects in rev-list'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 # We setup the repository with two commits, this way HEAD is always
   9 # available and we can hide commit 1.
  10 test_expect_success 'create repository and alternate directory' '
  11         test_commit 1 &&
  12         test_commit 2 &&
  13         test_commit 3
  14 '
  15
  16 # We manually corrupt the repository, which means that the commit-graph may
  17 # contain references to already-deleted objects. We thus need to enable
  18 # commit-graph paranoia to not returned these deleted commits from the graph.
  19 GIT_COMMIT_GRAPH_PARANOIA=true
  20 export GIT_COMMIT_GRAPH_PARANOIA
  21
  22 for obj in "HEAD~1" "HEAD~1^{tree}" "HEAD:1.t"
  23 do
  24         test_expect_success "rev-list --missing=error fails with missing object $obj" '
  25                 oid="$(git rev-parse $obj)" &&
  26                 path=".git/objects/$(test_oid_to_path $oid)" &&
  27
  28                 mv "$path" "$path.hidden" &&
  29                 test_when_finished "mv $path.hidden $path" &&
  30
  31                 test_must_fail git rev-list --missing=error --objects \
  32                         --no-object-names HEAD
  33         '
  34 done
  35
  36 for obj in "HEAD~1" "HEAD~1^{tree}" "HEAD:1.t"
  37 do
  38         for action in "allow-any" "print"
  39         do
  40                 test_expect_success "rev-list --missing=$action with missing $obj" '
  41                         oid="$(git rev-parse $obj)" &&
  42                         path=".git/objects/$(test_oid_to_path $oid)" &&
  43
  44                         # Before the object is made missing, we use rev-list to
  45                         # get the expected oids.
  46                         git rev-list --objects --no-object-names \
  47                                 HEAD ^$obj >expect.raw &&
  48
  49                         # Blobs are shared by all commits, so evethough a commit/tree
  50                         # might be skipped, its blob must be accounted for.
  51                         if [ $obj != "HEAD:1.t" ]; then
  52                                 echo $(git rev-parse HEAD:1.t) >>expect.raw &&
  53                                 echo $(git rev-parse HEAD:2.t) >>expect.raw
  54                         fi &&
  55
  56                         mv "$path" "$path.hidden" &&
  57                         test_when_finished "mv $path.hidden $path" &&
  58
  59                         git rev-list --missing=$action --objects --no-object-names \
  60                                 HEAD >actual.raw &&
  61
  62                         # When the action is to print, we should also add the missing
  63                         # oid to the expect list.
  64                         case $action in
  65                         allow-any)
  66                                 ;;
  67                         print)
  68                                 grep ?$oid actual.raw &&
  69                                 echo ?$oid >>expect.raw
  70                                 ;;
  71                         esac &&
  72
  73                         sort actual.raw >actual &&
  74                         sort expect.raw >expect &&
  75                         test_cmp expect actual
  76                 '
  77         done
  78 done
  79
  80 test_done