Add prebuild function to package.rb (#4217)

Clean up comments in package.rb

Bump crew version

Update template.rb.template

lib/const.rb

@@ -1,6 +1,6 @@
 # Defines common constants used in different parts of crew
 
-CREW_VERSION = '1.4.2'
+CREW_VERSION = '1.4.3'
 
 ARCH = `uname -m`.strip
 ARCH_LIB = if ARCH == 'x86_64' then 'lib64' else 'lib' end

lib/package.rb

@@ -69,13 +69,13 @@ class Package
     @is_fake
   end
 
-  # Function to perform pre-install operations prior to build from source.
-  def self.preinstall
+  # Function to perform patch operations prior to build from source.
+  def self.patch
 
   end
 
-  # Function to perform patch operations prior to build from source.
-  def self.patch
+  # Function to perform pre-build operations prior to build from source.
+  def self.prebuild
 
   end
 
@@ -84,22 +84,27 @@ class Package
 
   end
 
+  # Function to perform check from source build.
+  # This executes only during `crew build`.
+  def self.check
+
+  end
+
+  # Function to perform pre-install operations prior to install.
+  def self.preinstall
+
+  end
+
   # Function to perform install from source build.
   def self.install
 
   end
 
-  # Function to perform post-install for both source build and binary distribution
+  # Function to perform post-install for both source build and binary distribution.
   def self.postinstall
 
   end
 
-  # Function to perform check from source build.
-  # This is execute if and only if `crew build`.
-  def self.check
-
-  end
-
   def self.system(*args)
     # add "-j#" argument to "make" at compile-time, if necessary
 

packages/template.rb.template

@@ -31,24 +31,37 @@ class Template < Package
   #
 
 
-  # Function to perform pre-install operations prior to build from source.
-  def self.preinstall
-
-  end
-
-
   # Function to perform patch operations prior to build from source.
   def self.patch
 
   end
 
 
+  # Function to perform pre-build operations prior to build from source.
+  def self.prebuild
+
+  end
+
+
   # Function to perform build from source.
   def self.build
 
   end
 
 
+  # Function to perform check from source build.
+  # This executes only during `crew build`.
+  def self.check
+
+  end
+
+
+  # Function to perform pre-install operations prior to install.
+  def self.preinstall
+
+  end
+
+
   # Function to perform install from source build.
   def self.install
 
@@ -61,11 +74,4 @@ class Template < Package
   end
 
 
-  # Function to perform check from source build.
-  # This is execute if and only if `crew build`.
-  def self.check
-
-  end
-
-
 end