CheckPush

   1 #!/bin/dash
   2
   3 MASTER=master
   4
   5 for range in $(
   6         {
   7                 git for-each-ref --format='%(refname)' refs/heads/maint-\* |
   8                 perl -e '
   9                         sub compare_dotted_version {
  10                                 my (@ours) = split(/\./, $_[0]);
  11                                 my (@theirs) = split(/\./, $_[1]);
  12                                 my ($i, $diff);
  13
  14                                 for ($i = 0; $i < @ours && $i < @theirs; $i++) {
  15                                         $diff = $ours[$i] - $theirs[$i];
  16                                         return $diff if ($diff);
  17                                 }
  18                                 return 1 if ($i < @ours);
  19                                 return -1 if ($i < @theirs);
  20                                 return 0;
  21                         }
  22                         my @maint = ();
  23                         while (<STDIN>) {
  24                                 next unless s|^refs/heads/||;
  25                                 chomp;
  26                                 my ($v) = ($_ =~ /^maint-(.*)$/);
  27                                 push @maint, [$v, $_];
  28                         }
  29                         for (map { $_->[1] }
  30                              sort { compare_dotted_version($a->[0], $b->[0]) }
  31                              @maint) {
  32                                 print "$_\n";
  33                         }
  34                 ' &&
  35                 cat <<-EOF
  36                 maint
  37                 $MASTER
  38                 next
  39                 EOF
  40         } |
  41         {
  42                 prev_branch=
  43                 while read branch
  44                 do
  45                         if test -n "$prev_branch"
  46                         then
  47                                 echo "$branch..$prev_branch"
  48                         fi
  49                         prev_branch=$branch
  50                 done
  51         }
  52 ) seen..jch
  53 do
  54         lg=$(git log --oneline "$range")
  55         if test -n "$lg"
  56         then
  57                 echo "*** $range ***"
  58                 echo "$lg"
  59         fi
  60 done
  61
  62 if ! next_equiv=$(git rev-parse --verify 'jch^{/^### match next}' 2>/dev/null) ||
  63    ! git diff --stat --exit-code next $next_equiv
  64 then
  65         next_tree=$(git rev-parse next^{tree}) &&
  66         next_equiv=$(git rev-list --first-parent $MASTER^..seen |
  67                         xargs -n1 sh -c '
  68                                 echo $(git rev-parse $1^{tree}) $1
  69                         ' - | sed -n -e "s/^$next_tree //p"
  70                     )
  71 fi
  72
  73 if test -n "$next_equiv"
  74 then
  75         jch=$(git rev-list --first-parent $MASTER..jch | wc -l) &&
  76         seen=$(git rev-list --first-parent $MASTER..seen | wc -l) &&
  77         next=$(git rev-list --first-parent $MASTER..$next_equiv | wc -l) &&
  78         if test $jch -le $next
  79         then
  80                 echo "$MASTER..$jch..jch..$next..next..$seen..seen"
  81         else
  82                 echo "$MASTER..$next..next..$jch..jch..$seen..seen"
  83         fi
  84 fi