t/t6001-rev-list-graft.sh

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