From bca06a9fdfc8f3793bbe4f9dcfc3bcbc905b64e2 Mon Sep 17 00:00:00 2001
From: Nicolas Vigier <boklm@mageia.org>
Date: Tue, 21 May 2013 18:03:44 +0000
Subject: Add scripts to branch new release and generate diffs

---
 MgaRelease/Common.pm       | 99 ++++++++++++++++++++++++++++++++++++++++++++++
 config                     | 12 ++++++
 diff-release-current       | 10 +++++
 prepare-new-release-branch | 12 ++++++
 4 files changed, 133 insertions(+)
 create mode 100644 MgaRelease/Common.pm
 create mode 100644 config
 create mode 100755 diff-release-current
 create mode 100755 prepare-new-release-branch

diff --git a/MgaRelease/Common.pm b/MgaRelease/Common.pm
new file mode 100644
index 0000000..bd84df8
--- /dev/null
+++ b/MgaRelease/Common.pm
@@ -0,0 +1,99 @@
+package MgaRelease::Common;
+
+use FindBin;
+use YAML qw/LoadFile DumpFile/;
+use URPM;
+use SVN::Core;
+use SVN::Ra;
+
+my $c;
+my $srpms_list;
+
+sub config {
+    $c ? $c : $c = LoadFile($FindBin::Bin. '/config');
+}
+
+sub config_path {
+    my $file = config()->{$_[0]};
+    $file =~ m|^/| ? $file : config()->{datadir} . '/' . $file;
+}
+
+sub make_srpms_list_from_synthesis {
+    my $urpm = URPM->new;
+    $srpms_list = {};
+    foreach my $srpms_synthesis (@{config()->{srpms_synthesis}}) {
+        $urpm->parse_synthesis($srpms_synthesis) 
+            or die "Error reading $srpms_synthesis\n";
+    }
+    $urpm->traverse(sub { 
+            $srpms_list->{$_[0]->name}->{version} = $_[0]->version;
+            $srpms_list->{$_[0]->name}->{release} = $_[0]->release;
+        });
+}
+
+sub save_srpms_list {
+    DumpFile(config_path('srpms_list_file'), $srpms_list);
+}
+
+sub load_srpms_list {
+    $srpms_list = LoadFile(config_path('srpms_list_file'), $srpms_list);
+}
+
+sub path_rev
+{
+    my ($ra, $path) = @_;
+    if ($ra->check_path($path, $SVN::Core::INVALID_REVNUM)
+        == $SVN::Node::none) {
+        return undef;
+    } else {
+        return ($ra->get_dir($path,
+                $SVN::Core::INVALID_REVNUM))[2]{'svn:entry:committed-rev'};
+    }
+}
+
+sub get_srpms_rev {
+    my $ra = SVN::Ra->new(config()->{svn_repourl});
+    foreach my $pkg (keys %$srpms_list) {
+        my ($ver, $rel) = @{$srpms_list->{$pkg}}{qw/version release/};
+        $svnrev = path_rev($ra, "cauldron/$pkg/releases/$ver/$rel");
+        $srpms_list->{$pkg}->{svnrev} = $svnrev if $svnrev;
+    }
+}
+
+sub get_svn_branch_cmds {
+    my $ci_msg = config()->{svn_branch_commit_msg};
+    my $repo_url = config()->{svn_repourl};
+    my $branch_path = config()->{svn_branch_path};
+    open(my $branch, '>', config_path('branch_cmds_file')) 
+        or die "Error opening " . config_path('branch_cmds_file') . "\n";
+    open(my $nobranch, '>', config_path('nobranch_file'))
+        or die "Error opening " . config_path('nobranch_file') . "\n";
+    print $branch "#!/bin/sh\n";
+    foreach my $pkg (keys %$srpms_list) {
+        if ($srpms_list->{$pkg}->{svnrev}) {
+            print $branch "svn cp -m '$ci_msg' $repo_url/cauldron/$pkg\@$srpms_list->{$pkg}->{svnrev} $repo_url/$branch_path/$pkg\n";
+        } else {
+            print $nobranch "$pkg\n";
+        }
+    }
+}
+
+sub get_current_diff {
+    my $ra = SVN::Ra->new(config()->{svn_repourl});
+    my $ctx = SVN::Client->new();
+    my $diffdir = config_path('diffdir');
+    my $repo_url = config()->{svn_repourl};
+    foreach my $pkg (keys %$srpms_list) {
+        next unless $srpms_list->{$pkg}->{svnrev}
+                && $srpms_list->{$pkg}->{svnrev} != path_rev($ra, "cauldron/$pkg");
+
+        my $difffile = config_path('diffdir') . '/' . $pkg;
+        open(my $diffout, '>', $difffile) or die "Error opening file $difffile\n";
+        $ctx->diff([], "$repo_url/cauldron/$pkg/current", $srpms_list->{$pkg}->{svnrev},
+            "$repo_url/cauldron/$pkg/current", 'HEAD', 1, 0, 0,
+            $diffout, $diffout);
+        close $diffout;
+    }
+}
+
+1;
diff --git a/config b/config
new file mode 100644
index 0000000..8d567bd
--- /dev/null
+++ b/config
@@ -0,0 +1,12 @@
+datadir: data/mga3
+srpms_list_file: srpms_list
+srpms_synthesis:
+ - /distrib/bootstrap/distrib/3/SRPMS/core/release/media_info/synthesis.hdlist.cz
+ - /distrib/bootstrap/distrib/3/SRPMS/nonfree/release/media_info/synthesis.hdlist.cz
+ - /distrib/bootstrap/distrib/3/SRPMS/tainted/release/media_info/synthesis.hdlist.cz
+svn_repourl: file:///svn/packages
+svn_branch_path: updates/3
+svn_branch_commit_msg: SILENT Branching for Mageia 3
+branch_cmds_file: branch_cmds
+nobranch_file: not_branched
+diffdir: diff
diff --git a/diff-release-current b/diff-release-current
new file mode 100755
index 0000000..c0d7cf2
--- /dev/null
+++ b/diff-release-current
@@ -0,0 +1,10 @@
+#!/usr/bin/perl -w
+
+use strict;
+use FindBin;
+use lib $FindBin::Bin;
+use MgaRelease::Common;
+
+MgaRelease::Common::load_srpms_list;
+MgaRelease::Common::get_current_diff;
+
diff --git a/prepare-new-release-branch b/prepare-new-release-branch
new file mode 100755
index 0000000..4cbdda1
--- /dev/null
+++ b/prepare-new-release-branch
@@ -0,0 +1,12 @@
+#!/usr/bin/perl -w
+
+use strict;
+use FindBin;
+use lib $FindBin::Bin;
+use MgaRelease::Common;
+
+MgaRelease::Common::make_srpms_list_from_synthesis;
+MgaRelease::Common::get_srpms_rev;
+MgaRelease::Common::save_srpms_list;
+MgaRelease::Common::get_svn_branch_cmds;
+
-- 
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