From 8acd532bb3d9542d66df81aa287d26bf24813a72 Mon Sep 17 00:00:00 2001
From: "y0169.zhang" <y0169.zhang@samsung.com>
Date: Wed, 10 Jan 2018 10:34:00 +0800
Subject: [PATCH] Add the function to output each package's reverse dependency

Change-Id: I0f06ed6c8ab1d60985989e24a7f999d1eee5be45
---
 depanneur | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)

diff --git a/depanneur b/depanneur
index c7a66fd..fe49fe1 100755
--- a/depanneur
+++ b/depanneur
@@ -115,6 +115,7 @@ my $localrepo = "$build_root/local/repos"; # generated local repo dir
 my $order_dir = "$build_root/local/order"; # intermediate repo data file, which
                                            # contains all information, including
                                            # dependency,provides,filepath
+my $depends_dir = "$build_root/local/depends"; # package's reverse dependency dir
 
 my $cache_dir = "$build_root/local/cache"; # cache binary rpms downloaded from remote repos
 my $groupfile="$build_root/meta/group.xml";# group information for yum
@@ -183,6 +184,7 @@ my $vminitrd = "";
 my $vmkernel = "";
 my $vmswapsize = "";
 my $disable_debuginfo = 0;#disable debuginfo when using build cmd
+my $depends = 0; #depends subcommand to put reverse dependency
 
 GetOptions (
     "repository=s" => \@repos,
@@ -238,6 +240,7 @@ GetOptions (
     "vm-kernel=s" => \$vmkernel,
     "vm-swap=s" => \$vmswapsize,
     "disable-debuginfo" => \$disable_debuginfo,
+    "depends" => \$depends,
     );
 
 if ( $help ) {
@@ -2354,8 +2357,109 @@ sub get_binary_list() {
     return @bins;
 }
 
+sub generate_depends() {
+    ($_, $start_time) = my_system("date +\"%Y-%m-%d %H:%M %z\"");
+    ($_, $gbs_version) = my_system("gbs -V");
+    $gbs_version =~ s!gbs !!;
+
+    if ($style eq 'git') {
+        File::Find::find({wanted => \&git_wanted}, $package_path );
+        if (@pre_packs > 1 && $commit ne "HEAD"){
+            error("--commit option can't be specified with multiple packages");
+        }
+        if (@pre_packs == 0) {
+            error("No source package found at $package_path");
+        }
+        foreach my $p (@pre_packs) {
+            my $specs = $p->{"filename"};
+            my $new_p;
+            $new_p->{"project_base_path"} = $p->{"project_base_path"};
+            $new_p->{"packaging_dir"} = $p->{"packaging_dir"};
+            $new_p->{"upstream_branch"} = $p->{"upstream_branch"};
+            $new_p->{"upstream_tag"} = $p->{"upstream_tag"};
+            my @spec_list = split(",", $specs);
+            foreach my $spec (@spec_list) {
+                $new_p->{"filename"} = $spec;
+                push @packs, $new_p;
+            }
+        }
+    } else {
+        @packs = @ARGV;
+        if (@packs == 0) {
+            File::Find::find({wanted => \&obs_wanted}, $package_path );
+        }
+    }
+
+    info("retrieving repo metadata...");
+    my $repos_setup = 1;
+    my_system("> $order_dir/.repo.cache.local");
+    if (-d "$rpm_repo_path") {
+        my_system("$build_dir/createdirdeps $rpm_repo_path >> $order_dir/.repo.cache.local");
+        my_system("echo D: >> $order_dir/.repo.cache.local");
+    }
+    my_system("> $order_dir/.repo.cache.remote");
+    foreach my $repo (@package_repos) {
+        my $cmd = "";
+        if ($repo =~ /^\// && ! -e "$repo/repodata/repomd.xml") {
+            $cmd = "$build_dir/createdirdeps $repo >> $order_dir/.repo.cache.remote ";
+        } else {
+            $cmd = "$build_dir/createrepomddeps --cachedir=$cache_dir $repo >> $order_dir/.repo.cache.remote ";
+        }
+        debug($cmd);
+        if ( my_system($cmd) == 0 ) {
+            my_system("echo D: >> $order_dir/.repo.cache.remote");
+        } else {
+            $repos_setup = 0;
+        }
+    }
+    # Merge local repo cache and remote repo cache
+    my_system("cat $order_dir/.repo.cache.local $order_dir/.repo.cache.remote >$order_dir/.repo.cache");
+
+    if ($repos_setup == 0 ) {
+        error("repo cache creation failed...");
+    }
+
+    info("parsing package data...");
+    my %packs = parse_packs($config, @packs);
+    %to_build = %packs;
+
+    # Create & Update package dependency
+    info("building repo metadata ...");
+    refresh_repo();
+
+    info("package dependency resolving ...");
+    update_pkgdeps();
+    update_pkgddeps();
+
+    if (scalar (keys %to_build) == 0) {
+        warning("no available packages to generate depends.");
+        return;
+    }
+
+    my $out = "$depends_dir/$dist/$arch/";
+    mkdir_p($out);
+
+    my $total = scalar (keys %to_build);
+    my $index = 1;
+    foreach my $p (keys %to_build) {
+        info("[$index/$total] generating $p.full_edges.vis_input.js...");
+        open(my $f, '>', "$out/$p.full_edges.vis_input.js") or die "Could not open file '$out/$p.full_edges.vis_input.js' $!";
+        print $f "label: '$p'\n";
+        foreach my $dep (@{$pkgrdeps{$p}}) {
+            print $f "label: '$dep'\n";
+        }
+        close $f;
+        $index++;
+    }
+}
 
 # MAIN
+if ($depends) {
+    info("start generate packages depends from: " . $package_path . " ($style)");
+    generate_depends();
+    exit 0;
+}
+
 info("start building packages from: " . $package_path . " ($style)");
 ($_, $start_time) = my_system("date +\"%Y-%m-%d %H:%M %z\"");
 ($_, $gbs_version) = my_system("gbs -V");
-- 
2.7.4