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