Remove all calls to 'module' in preparation for move to Lua 5.2

Use mymodule parameter for module definition.
This was also helpful in revealing places where the code relied on the global environment.

1 files changed, 7 insertions, 5 deletions

diff --git a/apk.lua b/apk.lua
index 9e1b37f..d6b1fd6 100644
--- a/apk.lua
+++ b/apk.lua
@@ -1,9 +1,9 @@
 -- apk library
-module (..., package.seeall)
+local mymodule = {}
 
-subprocess = require("subprocess")
+mymodule.subprocess = require("subprocess")
 
-delete = function(package)
+mymodule.delete = function(package)
 	local success = false
 	local code, cmdresult = subprocess.call_capture({"apk", "del", package, stderr=subprocess.STDOUT})
 	if string.find(cmdresult, "^OK") then
@@ -14,7 +14,7 @@ delete = function(package)
 	return success, cmdresult
 end
 
-install = function(package)
+mymodule.install = function(package)
 	local success = true
 	local code, cmdresult = subprocess.call_capture({"apk", "add", package, stderr=subprocess.STDOUT})
 	if string.find(cmdresult, "^ERROR") then
@@ -23,10 +23,12 @@ install = function(package)
 	return success, cmdresult
 end
 
-version = function(package)
+mymodule.version = function(package)
 	local code, cmdresult = subprocess.call_capture({"apk", "info", "-ve", package, stderr=subprocess.STDOUT})
 	if string.find(cmdresult, "^%s*$") then
 		cmdresult = nil
 	end
 	return cmdresult
 end
+
+return mymodule