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