t/t6001-rev-list-graft.sh

   1 #!/bin/sh
   2
   3 test_description='Revision traversal vs grafts and path limiter'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 TEST_PASSES_SANITIZE_LEAK=true
   9 . ./test-lib.sh
  10
  11 test_expect_success setup '
  12         mkdir subdir &&
  13         echo >fileA fileA &&
  14         echo >subdir/fileB fileB &&
  15         git add fileA subdir/fileB &&
  16         git commit -a -m "Initial in one history." &&
  17         A0=$(git rev-parse --verify HEAD) &&
  18
  19         echo >fileA fileA modified &&
  20         git commit -a -m "Second in one history." &&
  21         A1=$(git rev-parse --verify HEAD) &&
  22
  23         echo >subdir/fileB fileB modified &&
  24         git commit -a -m "Third in one history." &&
  25         A2=$(git rev-parse --verify HEAD) &&
  26
  27         git update-ref -d refs/heads/main &&
  28         rm -f .git/index &&
  29
  30         echo >fileA fileA again &&
  31         echo >subdir/fileB fileB again &&
  32         git add fileA subdir/fileB &&
  33         git commit -a -m "Initial in alternate history." &&
  34         B0=$(git rev-parse --verify HEAD) &&
  35
  36         echo >fileA fileA modified in alternate history &&
  37         git commit -a -m "Second in alternate history." &&
  38         B1=$(git rev-parse --verify HEAD) &&
  39
  40         echo >subdir/fileB fileB modified in alternate history &&
  41         git commit -a -m "Third in alternate history." &&
  42         B2=$(git rev-parse --verify HEAD) &&
  43         : done
  44 '
  45
  46 check () {
  47         type=$1
  48         shift
  49
  50         arg=
  51         which=arg
  52         rm -f test.expect
  53         for a
  54         do
  55                 if test "z$a" = z--
  56                 then
  57                         which=expect
  58                         child=
  59                         continue
  60                 fi
  61                 if test "$which" = arg
  62                 then
  63                         arg="$arg$a "
  64                         continue
  65                 fi
  66                 if test "$type" = basic
  67                 then
  68                         echo "$a"
  69                 else
  70                         if test "z$child" != z
  71                         then
  72                                 echo "$child $a"
  73                         fi
  74                         child="$a"
  75                 fi
  76         done >test.expect
  77         if test "$type" != basic && test "z$child" != z
  78         then
  79                 echo >>test.expect $child
  80         fi
  81         if test $type = basic
  82         then
  83                 git rev-list $arg >test.actual
  84         elif test $type = parents
  85         then
  86                 git rev-list --parents $arg >test.actual
  87         elif test $type = parents-raw
  88         then
  89                 git rev-list --parents --pretty=raw $arg |
  90                 sed -n -e 's/^commit //p' >test.actual
  91         fi
  92         test_cmp test.expect test.actual
  93 }
  94
  95 for type in basic parents parents-raw
  96 do
  97         test_expect_success 'without grafts' "
  98                 rm -f .git/info/grafts &&
  99                 check $type $B2 -- $B2 $B1 $B0
 100         "
 101
 102         test_expect_success 'with grafts' "
 103                 mkdir -p .git/info &&
 104                 echo '$B0 $A2' >.git/info/grafts &&
 105                 check $type $B2 -- $B2 $B1 $B0 $A2 $A1 $A0
 106         "
 107
 108         test_expect_success 'without grafts, with pathlimit' "
 109                 rm -f .git/info/grafts &&
 110                 check $type $B2 subdir -- $B2 $B0
 111         "
 112
 113         test_expect_success 'with grafts, with pathlimit' "
 114                 echo '$B0 $A2' >.git/info/grafts &&
 115                 check $type $B2 subdir -- $B2 $B0 $A2 $A0
 116         "
 117
 118 done
 119
 120 test_expect_success 'show advice that grafts are deprecated' '
 121         git show HEAD 2>err &&
 122         test_grep "git replace" err &&
 123         test_config advice.graftFileDeprecated false &&
 124         git show HEAD 2>err &&
 125         test_grep ! "git replace" err
 126 '
 127
 128 test_done