[pkg-haskell-tools] 04/06: New script: what-to-upgrade

[Joachim Breitner]

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nomeata pushed a commit to branch master
in repository pkg-haskell-tools.

commit 2f9c25d319c694c9182a50f158ff8f3bc58e8640
Author: Joachim Breitner <mail at joachim-breitner.de>
Date:   Thu Aug 13 13:33:26 2015 +0200

    New script: what-to-upgrade
---
 debian/changelog        |  3 +-
 scripts/what-to-upgrade | 83 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 85 insertions(+), 1 deletion(-)

diff --git a/debian/changelog b/debian/changelog
index ad04bd2..d2a5829 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,7 +1,8 @@
 pkg-haskell-tools (0.2) UNRELEASED; urgency=medium
 
-  * Use pandoc instead of help2man 
+  * Use pandoc instead of help2man
   * New script: what-to-build
+  * New script: what-to-upgrade
 
  -- Joachim Breitner <nomeata at debian.org>  Thu, 13 Aug 2015 13:20:44 +0200
 
diff --git a/scripts/what-to-upgrade b/scripts/what-to-upgrade
new file mode 100755
index 0000000..c034d49
--- /dev/null
+++ b/scripts/what-to-upgrade
@@ -0,0 +1,83 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use File::Slurp;
+
+use DHT;
+
+usage <<__END__;
+what-to-upgrade - Find packages to be upgraded
+
+Usage: dht what-to-upgrade [directory..]
+
+For all given directories (defaults to p/*/), check if they are to be upgraded,
+i.e. that the package plan lists a newer version than the changelog.
+__END__
+
+manpage <<__END__;
+
+Usage: dht what-to-upgrade [directory..]
+
+For all given directories (defaults to `p/*/`), check if they are to be upgraded,
+i.e. that the package plan lists a newer version than the changelog.
+__END__
+
+my @dirs = @ARGV;
+
+unless (@dirs) {
+	@dirs = glob 'p/*/';
+}
+
+my %plan;
+open PLAN, '<', '../package-plan/packages.txt' or die @!;
+while (<PLAN>) {
+        chomp;
+        next if /^#/;
+        next if /^\s*$/;
+        unless (m/^(.*?) (.*?)(?: ([^#]*))?(?:#.*)?$/) {
+                print "Ignoring unparseable line $.: $_\n";
+        }
+        my ($pkg,$version,$attribs) = ($1,$2,$3);
+	$plan{$pkg} = $version;
+}
+close PLAN or die @!;
+
+for my $dir (@dirs) {
+	my $changelog = "$dir/debian/changelog";
+	my $watchfile = "$dir/debian/watch";
+	next unless -r $changelog;
+	next unless -r $watchfile;
+
+	open CHANGELOG, '<', $changelog or die @!;
+	my $firstline = <CHANGELOG>;
+	if ($firstline =~ m/([\w-]+) \(([\w:~.+-]+)\) (\w+);/) {
+		my ($source, $version, $suite) = ($1, $2, $3);
+		my ($cabal_version) = ($version =~ m/^(?:.*:)?(.*?)(?:\+dfsg\d*)?-.*?$/);
+
+		my $watch = read_file($watchfile) or die @!;
+		unless ($watch =~ m!http://hackage.haskell.org/package/(.*)/distro-monitor!) {
+			#printf STDERR "Cannot parse watchfile %s\n", $watchfile;
+			# ignore packages with non-standard watch files
+			next
+		}
+		my $cabal_package = $1;
+
+		unless (exists $plan{$cabal_package}) {
+			printf STDERR "W: package %s not in the package plan\n",
+				$dir, $cabal_package;
+			next
+		}
+
+		if ($cabal_version ne $plan{$cabal_package}) {
+			printf "%s\n", $dir;
+		}
+	} else {
+		printf STDERR "Cannot parse %s:\n%s", $changelog, $firstline;
+		next
+	}
+}
+
+
+

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