add bump-version utility for author-side work

[p5sagit/Module-Metadata.git] / maint / bump-version

diff --git a/maint/bump-version b/maint/bump-version
new file mode 100755 (executable)
index 0000000..26de88b
--- /dev/null
+++ b/maint/bump-version
@@ -0,0 +1,36 @@
+#!/usr/bin/env perl
+
+use 5.010;
+use strict;
+use warnings FATAL => 'all';
+use autodie;
+
+chomp(my $LATEST = qx(grep '^[0-9]' Changes | head -1 | awk '{print \$1}'));
+
+my @parts = split /\./, $LATEST;
+
+my $OLD_DECIMAL = sprintf('%i.%03i%03i', @parts);
+
+my %bump_part = (major => 0, minor => 1, bugfix => 2);
+
+my $bump_this = 
+  $bump_part{$ARGV[0]||'bugfix'}
+    // die "no idea which part to bump - $ARGV[0] means nothing to me";
+
+my @new_parts = @parts;
+
+$new_parts[$bump_this]++;
+
+my $NEW_DECIMAL = sprintf('%i.%03i%03i', @new_parts);
+
+warn "Bumping $OLD_DECIMAL -> $NEW_DECIMAL\n";
+
+my $PM_FILE = 'lib/Module/Metadata.pm';
+
+my $file = do { local (@ARGV, $/) = ($PM_FILE); <> };
+
+$file =~ s/(?<=\$VERSION = ')${\quotemeta $OLD_DECIMAL}/${NEW_DECIMAL}/;
+
+open my $out, '>', $PM_FILE;
+
+print $out $file;