apkbuild-gem-resolver: option for updating APKBUILD files

apkbuild-gem-resolver.in

@@ -46,6 +46,10 @@ class Package
     pkg
   end
 
+  def self.save
+    fail unless @@augeas.save
+  end
+
   def initialize name
     @name = name
     @depends = []
@@ -61,10 +65,13 @@ class Package
 
   def depends
     for dep in @depends
-      unless @@packages.has_key? dep
+      # ruby-gems: workaround for v2.6
-        raise "Dependency for #{@name} does not exist: #{dep}"
+      if dep.start_with?('ruby-') && dep != 'ruby-gems'
+        unless @@packages.has_key? dep
+          raise "Dependency for #{@name} does not exist: #{dep}"
+        end
+        yield @@packages[dep]
       end
-      yield @@packages[dep]
     end
   end
 
@@ -85,8 +92,7 @@ class Aport < Package
     @path = path + '/APKBUILD/'
 
     for dep in `echo #{get_param 'depends'}`.split
-      # ruby-gems: workaround for v2.6
+      add_dependency dep
-      add_dependency dep if dep.start_with?('ruby-') && dep != 'ruby-gems'
     end
   end
 
@@ -98,6 +104,16 @@ class Aport < Package
     get_param 'pkgver'
   end
 
+  def version= version
+    set_param 'pkgver', version
+    set_param 'pkgrel', '0'
+  end
+
+  def del_dependency name
+    @depends.delete name
+    set_param 'depends', "\"#{@depends.join ' '}\""
+  end
+
   private
 
   def get_param name
@@ -105,6 +121,10 @@ class Aport < Package
     raise name + ' not defined for ' + @name unless value
     value
   end
+
+  def set_param name, value
+    @@augeas.set(@path + name, value)
+  end
 end
 
 class Subpackage < Package
@@ -306,10 +326,14 @@ end
 
 
 testing = false
+update = false
 OptionParser.new do |opts|
   opts.on('-t', '--testing') do |t|
     testing = t
   end
+  opts.on('-u', '--update') do |u|
+    update = u
+  end
 end.parse! ARGV
 Package.initialize testing
 
@@ -330,8 +354,21 @@ end
 update.resolve
 
 for pkg in update
-  obs = pkg[:obsolete_deps]
+  obsolete = pkg[:obsolete_deps]
-  obs = obs.empty? ? nil : " (obsolete dependencies: #{obs.join ', '})"
 
+  obs = obsolete.empty? ?
+          nil : " (obsolete dependencies: #{obsolete.join ', '})"
   puts "#{pkg[:name]}-#{pkg[:version]}#{obs}"
+
+  if update
+    package = Package.get(pkg[:name])
+    package.version = pkg[:version]
+    for dep in obsolete
+      package.del_dependency dep
+    end
+  end
+end
+
+if update
+  Package.save
 end