Moved lots of code into a subproject

I think stuff like zip and github installing belong in a repository
dedicated to installing from github. Moved these libraries into a new
project called grin (Github Release INstaller)

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "lasm"]
 	path = lasm
 	url = https://github.com/Yevano/LuaAssemblyTools.git
+[submodule "grin"]
+	path = grin
+	url = https://github.com/ElvishJerricco/Grin.git

bin/jvml

@@ -6,6 +6,12 @@ for i,v in ipairs(fs.list(libDir)) do
         os.loadAPI(fs.combine(libDir, v))
     end
 end
+local grinLibDir = fs.combine(jcd, "grin/lib")
+for i,v in ipairs(fs.list(grinLibDir)) do
+    if not v:find("^%.") and not _G[v] then
+        os.loadAPI(fs.combine(grinLibDir, v))
+    end
+end
 
 ---------------------------------------------------------------------------------------------------------------
 -- Parse arguments

build.xml

@@ -1,13 +1,4 @@
 <project name="JVML_JIT_RELEASE" default="main">
-	<loadresource property="zip.contents">
-		<file file="lib/zip"/>
-	</loadresource>
-	<loadresource property="json.contents">
-		<file file="lib/json"/>
-	</loadresource>
-	<loadresource property="base64.contents">
-		<file file="lib/base64"/>
-	</loadresource>
 	<property name="release.contents" value="release/jvml" />
 	<condition property="is_windows">
 	    <os family="windows"/>
@@ -38,6 +29,9 @@
 		<copy todir="${release.contents}/lib">
 			<fileset dir="lib" />
 		</copy>
+		<copy todir="${release.contents}/grin/lib">
+			<fileset dir="grin/lib" />
+		</copy>
 		<copy todir="${release.contents}/jvml_data">
 			<fileset dir="jvml_data" />
 		</copy>
@@ -70,13 +64,18 @@
 		</exec>
 	</target>
 
-	<target name="create_installer" depends="if_unix, if_windows">
+	<target name="grin">
+		<ant dir="grin" target="main" />
+	</target>
+
+	<target name="create_installer" depends="grin, if_unix, if_windows">
+		<loadresource property="grin.text">
+			<file file="grin/build/installer.lua"/>
+		</loadresource>
 		<copy file="installer.lua" tofile="release/installer.lua" overwrite="true">
             <filterchain>
             	<replacetokens>
-            		<token key="ZIP" value="${zip.contents}"/>
-            		<token key="JSON" value="${json.contents}"/>
-            		<token key="BASE64" value="${base64.contents}"/>
+            		<token key="GRIN" value="${grin.text}"/>
                 </replacetokens>
             </filterchain>
         </copy>

installer.lua

@@ -1,93 +1,7 @@
--- use build.xml to import the zip and json libraries directly
-
-local zip = setmetatable({}, {__index=getfenv()})
-local json = setmetatable({}, {__index=getfenv()})
-local base64 = setmetatable({}, {__index=getfenv()})
-
-do
-	local function zip_api_make()
-		@ZIP@
-	end
-	setfenv(zip_api_make, zip)
-	zip_api_make()
-
-	local function json_api_make()
-		@JSON@
-	end
-	setfenv(json_api_make, json)
-	json_api_make()
-
-	local function base64_api_make()
-		@BASE64@
-	end
-	setfenv(base64_api_make, base64)
-	base64_api_make()
-end
-
-local oldTime = os.time()
-local function sleepCheckin()
-	local newTime = os.time()
-	if newTime - oldTime >= (0.020 * 1.5) then
-		oldTime = newTime
-		sleep(0)
-	end
+local function grin(...)
+	@GRIN@
 end
 
-local function combine(path, ...)
-	if not path then
-		return ""
-	end
-	return fs.combine(path, combine(...))
-end
-
--- Begin installation
-
-local githubApiResponse = assert(http.get("https://api.github.com/repos/Yevano/JVML-JIT/releases"))
-assert(githubApiResponse.getResponseCode() == 200, "Failed github response")
-print("Got github response")
-local githubApiJSON = json.decode(githubApiResponse.readAll())
-assert(githubApiJSON and
-	githubApiJSON[1] and
-	githubApiJSON[1].assets and
-	githubApiJSON[1].assets[1] and
-	githubApiJSON[1].assets[1].url,
-	"Malformed response")
-print("Got JSON")
-local zipResponse = assert(http.get(githubApiJSON[1].assets[1].url, {["Accept"]="application/octet-stream"}))
-assert(zipResponse.getResponseCode() == 200 or zipResponse.getResponseCode() == 302, "Failed zip response")
-local base64Str = zipResponse.readAll()
-print("Decoding base64")
-sleep(0)
-local zipTbl = assert(base64.decode(base64Str), "Failed to decode base 64")
-print("Zip scanned. Unarchiving...")
-sleep(0)
-
-local i = 0
-local zfs = zip.open({read=function()
-	sleepCheckin()
-	i = i + 1
-	return zipTbl[i]
-end})
-
-local function copyFilesFromDir(dir)
-	for i,v in ipairs(zfs.list(dir)) do
-		sleepCheckin()
-		local fullPath = fs.combine(dir, v)
-		if zfs.isDir(fullPath) then
-			copyFilesFromDir(fullPath)
-		else
-			print("Copying file: " .. fullPath)
-			local fh = fs.open(combine(shell.dir(), "jvml", fullPath), "wb")
-			local zfh = zfs.open(fullPath, "rb")
-			for b in zfh.read do
-				sleepCheckin()
-				fh.write(b)
-			end
-			fh.close()
-			zfh.close()
-		end
-	end
-end
+grin("-u", "Yevano", "-r", "JVML-JIT")
 
-copyFilesFromDir("")
-print("Installation complete. It is recommended that you add jvml/bin to your shell's path at startup")
+print("It is recommended that you add jvml/bin to your shell's path.")