From 8dad54251aeb9ede55bbc775c1cf7a9d84402762 Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Tue, 29 Jul 2008 16:54:30 +0000
Subject: [PATCH] libs/lpk: Several fixes in CLI -> Machine bindings

---
 libs/lpk/luasrc/lpk.lua               |  2 +-
 libs/lpk/luasrc/lpk/core.lua          | 11 ++++++++---
 libs/lpk/luasrc/lpk/core/download.lua |  1 +
 libs/lpk/luasrc/lpk/core/install.lua  | 16 ++++++++++++++++
 libs/lpk/luasrc/lpk/core/retreive.lua |  7 +++++++
 5 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/libs/lpk/luasrc/lpk.lua b/libs/lpk/luasrc/lpk.lua
index 3b42a367e..7117c75f9 100644
--- a/libs/lpk/luasrc/lpk.lua
+++ b/libs/lpk/luasrc/lpk.lua
@@ -31,7 +31,7 @@ else
 			os.exit(task.register.error or 1)
 		end
 	else
-		luci.util.perror(error .. "\n")
+		luci.util.perror((error or "Unknown Error") .. "\n")
 		luci.lpk.util.splash()
 		os.exit(1)
 	end		
diff --git a/libs/lpk/luasrc/lpk/core.lua b/libs/lpk/luasrc/lpk/core.lua
index bef5651c6..97de4fa92 100644
--- a/libs/lpk/luasrc/lpk/core.lua
+++ b/libs/lpk/luasrc/lpk/core.lua
@@ -22,6 +22,10 @@ function Task.rollback(self)
 	end
 	
 	local state = table.remove(self.done)
+	if not state.rollback then
+		return true
+	end
+	
 	local ret, err = pcall(state.rollback, state, self.register)
 	
 	if ret then
@@ -33,7 +37,7 @@ end
 
 function Task.step(self)
 	local state = table.remove(self.work)
-	local ret, next = pcall(state.process, state, self.register)
+	local ret, next = pcall(state.process, self.register)
 	
 	if ret then
 		if next then
@@ -42,7 +46,8 @@ function Task.step(self)
 				table.insert(self.work, state)
 				table.insert(self.work, nstate)
 			else
-				self.register.error = "Unknown state: " .. next
+				self.register.error = 2
+				self.register.errstr = "Unknown state: " .. next
 				return false
 			end
 		else
@@ -98,5 +103,5 @@ function Machine.task(self, name, ...)
 	
 	local register = {}
 	
-	return start:entry(register) and Task(self, register, start)
+	return start.entry(register, ...) and Task(self, register, start)
 end 
diff --git a/libs/lpk/luasrc/lpk/core/download.lua b/libs/lpk/luasrc/lpk/core/download.lua
index e69de29bb..7b306479f 100644
--- a/libs/lpk/luasrc/lpk/core/download.lua
+++ b/libs/lpk/luasrc/lpk/core/download.lua
@@ -0,0 +1 @@
+module("luci.lpk.core.download", package.seeall)
diff --git a/libs/lpk/luasrc/lpk/core/install.lua b/libs/lpk/luasrc/lpk/core/install.lua
index e69de29bb..abf612b29 100644
--- a/libs/lpk/luasrc/lpk/core/install.lua
+++ b/libs/lpk/luasrc/lpk/core/install.lua
@@ -0,0 +1,16 @@
+module("luci.lpk.core.install", package.seeall)
+
+function entry(register, ...)
+	print("Requested install of " .. table.concat(arg, ", "))
+	return true
+end
+
+function process(register)
+	register.sometext = "Test"
+	if not register.retreived then
+		print("Step down to retreive")
+		return "retreive"
+	else
+		print("Coming up again")
+	end
+end
\ No newline at end of file
diff --git a/libs/lpk/luasrc/lpk/core/retreive.lua b/libs/lpk/luasrc/lpk/core/retreive.lua
index e69de29bb..5ad63aa93 100644
--- a/libs/lpk/luasrc/lpk/core/retreive.lua
+++ b/libs/lpk/luasrc/lpk/core/retreive.lua
@@ -0,0 +1,7 @@
+module("luci.lpk.core.retreive", package.seeall)
+
+function process(register)
+	print "Now in retreive"
+	print (register.sometext)
+	register.retreived = true
+end
\ No newline at end of file
-- 
2.11.0