Add release build script

build-release.pl

@@ -0,0 +1,37 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+open my $fh, "<", "main.go" || die $!;
+
+my $version;
+while (<$fh>) {
+  $version = $1 if /^const\s+currentVersion.*?"([\d\.]+)"/;
+}
+close $fh;
+
+die "no version?" unless defined $version;
+
+# so lazy
+system "rm", "-rf", "release", "dist";
+system "mkdir", "release";
+system "mkdir", "dist";
+
+my %build = (
+  win   => { env => { GOOS => 'windows', GOARCH => '386' }, filename => 'slicerdicer.exe' },
+  linux => { env => { GOOS => 'linux',   GOARCH => '386' }, filename => 'slicerdicer' },
+  mac   => { env => { GOOS => 'darwin',  GOARCH => '386' }, filename => 'slicerdicer' },
+); 
+
+foreach my $type (keys %build) {
+  mkdir "release/$type";
+}
+
+foreach my $type (keys %build) {
+  local $ENV{GOOS}   = $build{$type}->{env}->{GOOS};
+  local $ENV{GOARCH} = $build{$type}->{env}->{GOARCH};
+  system "go", "build", "-o", "release/$type/" . $build{$type}->{filename};
+  system "zip", "-j", "dist/slicerdicer-$type-$version.zip", ( glob "release/$type/*" );
+}
+