packaging.spec configuration example, few comments in src/context.cr

packaging.spec

@@ -0,0 +1,35 @@
+# /etc/packaging.spec configuration file
+
+# where to send built packages
+packages-directory: /usr/local/baguette/pkg/
+# where to download sources
+sources-directory:  /usr/local/baguette/src/
+
+# the slot we want for our packages
+slotting: /usr/baguette
+
+# prefixes for `packaging` running environment and child processes
+# a.k.a. where to search for binaries during the build
+prefixes:
+	- /usr/baguette/
+	- /
+
+# list of environment variables when building
+environment:
+	# we may choose another compiler, provide some CFLAGS, etc.
+	- CC: clang
+	- CFLAGS: -Os -Wall
+
+	# next three parameters have special meaning
+	# to provide parameters to the `./configure` script when building
+	- configure: --disable-nls --without-gettext
+
+	# to provide parameters to the `make` command
+	- make:
+
+	# to provide parameters to the final `make install` command
+	- make install:
+
+# wanna build for another system? not a problem, just add the back-end (we currently have `apk` and `package`)
+package-manager: package
+

src/context.cr

@@ -58,7 +58,11 @@ class Package::Context
 	# but it’ll be kind of enough for now.
 	property architecture = "x86_64"
 
+	# prefixes for `packaging` running environment and child processes
+	# = where to search for binaries and libraries for the build
 	property prefixes = ["/usr", "/", "/usr/baguetteos"]
+
+	# list of environment variables we want to have when building
 	property environment = {} of String => String
 
 	property verbosity = 0
@@ -259,8 +263,10 @@ class Package::Context
 			when "sources-directory"
 				@sources_directory = value.as_s
 			when "prefixes"
+				# Prefixes during the build process.
 				@prefixes = value.as_a_or_s
 			when "environment"
+				# Environment variables during the build process.
 				value.as_a_or_s.each do |entry|
 					match = entry.split(':').map(
 						&.gsub(/^[ \t]*/, "").gsub(/[ \t]*$/, ""))
@@ -274,6 +280,7 @@ class Package::Context
 					@environment[key] = value
 				end
 			when "package-manager"
+				# Targeted package manager (default: package, for BaguetteOS).
 				self.packaging_backend = value.as_s
 			end
 		end