Generating debian files used when building a deb package with pbuilder

Author: qount25

lib/pgpm/deb/builder.rb

@@ -13,8 +13,8 @@ def initialize(spec)
       def build
         puts "build()"
         prepare
-        #generate_deb_src_files
-        create_container
+        generate_deb_src_files
+        #create_container
         #run_pbuilder
         #copy_build_from_container
         #cleanup
@@ -54,11 +54,13 @@ def create_container
       end
 
       def generate_deb_src_files
-        @spec.generate_rules
-        @spec.generate_control
-        @spec.generate_licence
-        @spec.generate_version
-        # save generated content into actual files
+        puts "Generating debian files..."
+        Dir.mkdir "#{@pgpm_dir}/debian"
+        [:changelog, :control, :copyright, :files, :rules].each do |f|
+          puts "  -> #{@pgpm_dir}/debian/#{f}"
+          File.write "#{@pgpm_dir}/debian/#{f}", @spec.generate(f)
+        end
+        File.chmod 0740, "#{@pgpm_dir}/debian/rules" # rules file must be executable
       end
 
       def run_pbuilder

lib/pgpm/deb/spec.rb

@@ -2,6 +2,7 @@
 
 require "digest"
 require "open-uri"
+require "erb"
 
 module Pgpm
   module Deb
@@ -19,23 +20,54 @@ def sources
         @package.sources
       end
 
-      def generate_control
+      def generate(template_name)
+        fn = "#{__dir__}/templates/#{template_name}.erb"
+        raise "No such template: #{fn}" unless File.exist?(fn)
+        erb = ERB.new(File.read(fn))
+        erb.result(binding)
       end
 
-      def generate_rules
+      def deps
+        ["postgresql-#{postgres_version}"]
       end
 
-      def generate_licence
+      def build_deps
+        [
+          "postgresql-#{postgres_version}",
+          "build-essential",
+          "postgresql-#{postgres_version}",
+          "postgresql-server-dev-#{postgres_version}",
+          "postgresql-common"
+        ]
       end
 
-      def generate_version
+      def postgres_version
+        17
       end
 
-      private
+      def source_version
+        @package.version.to_s
+      end
+
+      def source_name
+        @package.name
+      end
+
+      def deb_version
+        "0.1.0"
+      end
+
+      def arch
+        "amd64"
+      end
+
+      def description
+        @package.description
+      end
 
-      def unpack?(src)
-        src = src.name if src.respond_to?(:name)
-        src.to_s.end_with?(".tar.gz") || src.to_s.end_with?(".tar.xz")
+      # Whatever is returned from this method gets added to the "rules" file.
+      def rules_amendments
+        "#"
       end
 
     end

lib/pgpm/deb/templates/changelog.erb

@@ -0,0 +1,5 @@
+<%= source_name %>-<%= source_version %> (0-1) UNRELEASED; urgency=medium
+
+  * Initial release. (Closes: #nnnn)  <nnnn is the bug number of your ITP>
+
+ -- PGPM Debian maintainer <debian[email protected]>  Fri, 21 Feb 2025 21:08:08 +0000

lib/pgpm/deb/templates/control.erb

@@ -0,0 +1,13 @@
+Source: <%= source_name %>-<%= source_version %>
+Section: libs
+Priority: optional
+Maintainer: PGPM Debian maintainer <debian[email protected]>
+Rules-Requires-Root: no
+Build-Depends: debhelper-compat (= 13), <%= build_deps.join(", ") %>
+Standards-Version: 4.6.2
+
+Package: <%= source_name %>-<%= deb_version %>
+Depends: <%= deps.join(", ") %>
+Section: libdevel
+Architecture: <%= arch %>
+Description: <%= description %>

lib/pgpm/deb/templates/copyright.erb

@@ -0,0 +1,48 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Source: <url://example.com>
+Upstream-Name: <%= source_name %>-<%= source_version %>
+Upstream-Contact: <preferred name and address to reach the upstream project>
+
+Files:
+ *
+Copyright:
+ <years> <put author's name and email here>
+ <years> <likewise for another author>
+License: <special license>
+ <Put the license of the package here indented by 1 space>
+ <This follows the format of Description: lines in control file>
+ .
+ <Including paragraphs>
+
+# If you want to use GPL v2 or later for the /debian/* files use
+# the following clauses, or change it to suit. Delete these two lines
+Files:
+ debian/*
+Copyright:
+ 2025 PGPM Debian maintainer <debian[email protected]>
+License: GPL-2+
+ This package is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+ .
+ This package is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>
+Comment:
+ On Debian systems, the complete text of the GNU General
+ Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".
+
+# Please also look if there are files or directories which have a
+# different copyright/license attached and list them here.
+# Please avoid picking licenses with terms that are more restrictive than the
+# packaged work, as it may make Debian's contributions unacceptable upstream.
+#
+# If you need, there are some extra license texts available in two places:
+#   /usr/share/debhelper/dh_make/licenses/
+#   /usr/share/common-licenses/
+

lib/pgpm/deb/templates/files.erb

@@ -0,0 +1 @@
+<%= source_name %>-<%= source_version %>_0-1_source.buildinfo libs optional

lib/pgpm/deb/templates/rules.erb

@@ -0,0 +1,21 @@
+#!/usr/bin/make -f
+
+# See debhelper(7) (uncomment to enable).
+# Output every command that modifies files on the build system.
+#export DH_VERBOSE = 1
+
+
+# See FEATURE AREAS in dpkg-buildflags(1).
+#export DEB_BUILD_MAINT_OPTIONS = hardening=+all
+
+# See ENVIRONMENT in dpkg-buildflags(1).
+# Package maintainers to append CFLAGS.
+#export DEB_CFLAGS_MAINT_APPEND  = -Wall -pedantic
+# Package maintainers to append LDFLAGS.
+#export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
+
+
+%:
+	dh $@
+
+<%= self.rules_amendments %>