Update Linux suport.

Author: ioquatix

lib/localhost/system/linux.rb

@@ -7,15 +7,35 @@ module Localhost
 	module System
 		# Linux specific system operations.
 		module Linux
+			# This appears to be the standard path for the system trust store on many Linux distributions.
+			ANCHORS_PATH = "/etc/ca-certificates/trust-source/anchors/"
+			UPDATE_CA_TRUST = "update-ca-trust"
+			
+			# This is an older method for systems that do not use `update-ca-trust`.
+			LOCAL_CERTIFICATES_PATH = "/usr/local/share/ca-certificates/"
+			UPDATE_CA_CERTIFICATES = "update-ca-certificates"
+			
 			# Install a certificate into the system trust store.
 			#
 			# @parameter certificate [String] The path to the certificate file.
 			def self.install(certificate)
 				filename = File.basename(certificate)
-				destination = "/usr/local/share/ca-certificates/localhost-#{filename}"
+				command = nil
 
+				if File.exist?(ANCHORS_PATH)
+					# For systems using `update-ca-trust`.
+					destination = File.join(ANCHORS_PATH, filename)
+					command = UPDATE_CA_TRUST
+				elsif File.exist?(LOCAL_CERTIFICATES_PATH)
+					# For systems using `update-ca-certificates`.
+					destination = File.join(LOCAL_CERTIFICATES_PATH, filename)
+					command = UPDATE_CA_CERTIFICATES
+				else
+					raise "No known system trust store found. Please install the certificate manually."
+				end
+
 				system("sudo", "cp", certificate, destination)
-				system("sudo", "update-ca-certificates")
+				system("sudo", command)
 			end
 		end
 	end

releases.md

@@ -1,5 +1,9 @@
 # Releases
 
+## Unreleased
+
+  - Add support for `update-ca-trust` on Linux sytems.
+
 ## v1.4.0
 
   - Add `localhost:purge` to delete all certificates.