[PATCH] annotate: Use qx{} for pipes on activestate.

[Ryan Anderson <ryan@michonline.com>]

Note: This needs someone to tell me what the value of $^O is on ActiveState.

Signed-off-by: Ryan Anderson <ryan@michonline.com>

---

As always, available in
	http://h4x0r5.com/~ryan/git/ryan.git/ annotate-upstream

Randal, does this look basically the right approach here?
(I would like to make that glob I use not a global, but I can't
seem to figure out how at the moment.)

 git-annotate.perl |   43 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 42 insertions(+), 1 deletions(-)

a927bb08b9b319cc3832fcf354a75e3760af593c
diff --git a/git-annotate.perl b/git-annotate.perl
index ee8ff15..f9c2c6c 100755
--- a/git-annotate.perl
+++ b/git-annotate.perl
@@ -431,8 +431,20 @@ sub gitvar_name {
     return join(' ', @field[0...(@field-4)]);
 }
 
-
 sub open_pipe {
+	if ($^O eq '##INSERT_ACTIVESTATE_STRING_HERE##') {
+		return open_pipe_activestate(@_);
+	} else {
+		return open_pipe_normal(@_);
+	}
+}
+
+sub open_pipe_activestate {
+	tie *fh, "Git::ActiveStatePipe", @_;
+	return *fh;
+}
+
+sub open_pipe_normal {
 	my (@execlist) = @_;
 
 	my $pid = open my $kid, "-|";
@@ -445,3 +457,32 @@ sub open_pipe {
 
 	return $kid;
 }
+
+package Git::ActiveStatePipe;
+use strict;
+
+sub TIEHANDLE {
+	my ($class, @params) = @_;
+	my $cmdline = join " ", @params;
+	my  @data = qx{$cmdline};
+	bless { i => 0, data => \@data }, $class;
+}
+
+sub READLINE {
+	my $self = shift;
+	if ($self->{i} >= scalar @{$self->{data}}) {
+		return undef;
+	}
+	return $self->{'data'}->[ $self->{i}++ ];
+}
+
+sub CLOSE {
+	my $self = shift;
+	delete $self->{data};
+	delete $self->{i};
+}
+
+sub EOF {
+	my $self = shift;
+	return ($self->{i} >= scalar @{$self->{data}});
+}
-- 
1.2.3.g9ca3