t/t5306-pack-nobase.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2008 Google Inc.
   4 #
   5
   6 test_description='git-pack-object with missing base
   7
   8 '
   9
  10 TEST_PASSES_SANITIZE_LEAK=true
  11 . ./test-lib.sh
  12
  13 # Create A-B chain
  14 #
  15 test_expect_success \
  16     'setup base' \
  17     'test_write_lines a b c d e f g h i >text &&
  18      echo side >side &&
  19      git update-index --add text side &&
  20      A=$(echo A | git commit-tree $(git write-tree)) &&
  21
  22      echo m >>text &&
  23      git update-index text &&
  24      B=$(echo B | git commit-tree $(git write-tree) -p $A) &&
  25      git update-ref HEAD $B
  26     '
  27
  28 # Create repository with C whose parent is B.
  29 # Repository contains C, C^{tree}, C:text, B, B^{tree}.
  30 # Repository is missing B:text (best delta base for C:text).
  31 # Repository is missing A (parent of B).
  32 # Repository is missing A:side.
  33 #
  34 test_expect_success \
  35     'setup patch_clone' \
  36     'base_objects=$(pwd)/.git/objects &&
  37      (mkdir patch_clone &&
  38       cd patch_clone &&
  39       git init &&
  40       echo "$base_objects" >.git/objects/info/alternates &&
  41       echo q >>text &&
  42       git read-tree $B &&
  43       git update-index text &&
  44       git update-ref HEAD $(echo C | git commit-tree $(git write-tree) -p $B) &&
  45       rm .git/objects/info/alternates &&
  46
  47       git --git-dir=../.git cat-file commit $B |
  48       git hash-object -t commit -w --stdin &&
  49
  50       git --git-dir=../.git cat-file tree "$B^{tree}" |
  51       git hash-object -t tree -w --stdin
  52      ) &&
  53      C=$(git --git-dir=patch_clone/.git rev-parse HEAD)
  54     '
  55
  56 # Clone patch_clone indirectly by cloning base and fetching.
  57 #
  58 test_expect_success \
  59     'indirectly clone patch_clone' \
  60     '(mkdir user_clone &&
  61       cd user_clone &&
  62       git init &&
  63       git pull ../.git &&
  64       test $(git rev-parse HEAD) = $B &&
  65
  66       git pull ../patch_clone/.git &&
  67       test $(git rev-parse HEAD) = $C
  68      )
  69     '
  70
  71 # Cloning the patch_clone directly should fail.
  72 #
  73 test_expect_success \
  74     'clone of patch_clone is incomplete' \
  75     '(mkdir user_direct &&
  76       cd user_direct &&
  77       git init &&
  78       test_must_fail git fetch ../patch_clone/.git
  79      )
  80     '
  81
  82 test_done