consistent formatting in print-fetch. Fixes issue #77

src/script/print-fetch.lua

@@ -1,13 +1,13 @@
 #!/usr/bin/lua
 
 local function log(message)
-    os.execute("logger " .. message)
-    print(message)
+        os.execute("logger " .. message)
+        print(message)
 end
 
 if (table.getn(arg) == 0) then
-    print("Usage: ./print-fetch {printerSocket} {gcodeServerURL} {id} [startGcode] [endGCode]")
-    return
+        print("Usage: ./print-fetch {printerSocket} {gcodeServerURL} {id} [startGcode] [endGCode]")
+        return
 end
 
 log("starting gcode fetch program")
@@ -19,8 +19,8 @@ local p3d = require("print3d")
 
 local printer = p3d.getPrinter(arg[1])
 if printer == nil then
-    log("error connecting to printer")
-    return
+        log("error connecting to printer")
+        return
 end
 
 local gcodeServer = arg[2]
@@ -35,8 +35,8 @@ log("gcode server: " .. gcodeServer)
 local info = JSON:decode(io.popen("wget -qO - " .. gcodeServer .. "/info/" .. id):read("*a"))
 
 if info == nil then
-    log("could not retrieve file info")
-    return
+        log("could not retrieve file info")
+        return
 end
 
 local current_line = 0
@@ -49,64 +49,64 @@ local startCode = nil
 local endCode = nil
 
 function countlines(file)
-    return tonumber(io.popen("wc -l < " .. file):read('*a'))
+        return tonumber(io.popen("wc -l < " .. file):read('*a'))
 end
 
 function readGCodeArg(argi)
-    local gcodeFile = arg[argi]
-    return io.open(gcodeFile):read('*a')
+        local gcodeFile = arg[argi]
+        return io.open(gcodeFile):read('*a')
 end
 
 if table.getn(arg) >= 5 then
-    startCode = readGCodeArg(4)
-    endCode = readGCodeArg(5)
+        startCode = readGCodeArg(4)
+        endCode = readGCodeArg(5)
 end
 
 if startCode ~= nil then
-    log("appending start gcode")
-    printer:appendGcode(startCode)
+        log("appending start gcode")
+        printer:appendGcode(startCode)
 end
 
 while(not finished)
 do
-    local f = io.popen("wget -qO - " .. gcodeServer .. "/fetch/" .. id .. "/" .. current_line)
-    local line = f:read()
-    while line ~= nil do
-	printer:appendGcode(line, total_lines, { seq_number = -1, seq_total = -1, source = id })
-        current_line = current_line + 1
-        line = f:read()
-    end
-
-    if not started then
-	started = true
-	print("send print start command")
-        printer:startPrint()
-    end
-
-    if current_line >= total_lines then
-        log("finished fetching gcode")
-        if endCode ~= nil then
-            log("appending end gcode")
-            printer:appendGcode(endCode, total_lines, { seq_number = -1, seq_total = -1, source = id })
+        local f = io.popen("wget -qO - " .. gcodeServer .. "/fetch/" .. id .. "/" .. current_line)
+        local line = f:read()
+        while line ~= nil do
+                printer:appendGcode(line, total_lines, { seq_number = -1, seq_total = -1, source = id })
+                current_line = current_line + 1
+                line = f:read()
+        end
+
+        if not started then
+                started = true
+                print("send print start command")
+                printer:startPrint()
+        end
+
+        if current_line >= total_lines then
+                log("finished fetching gcode")
+                if endCode ~= nil then
+                        log("appending end gcode")
+                        printer:appendGcode(endCode, total_lines, { seq_number = -1, seq_total = -1, source = id })
+                end
+                finished = true
+                break
         end
-        finished = true
-        break
-    end
 
 
-    local accepts_new_gcode = false
+        local accepts_new_gcode = false
 
-    while (not accepts_new_gcode)
-    do
-	local current,buffer,total,bufferSize,maxBufferSize = printer:getProgress()
-	local percentageBufferSize = bufferSize / maxBufferSize
+        while (not accepts_new_gcode)
+        do
+                local current,buffer,total,bufferSize,maxBufferSize = printer:getProgress()
+                local percentageBufferSize = bufferSize / maxBufferSize
 
-        if percentageBufferSize < 0.8 then
-	    print("buffer below 80% capacity, sending new gcode")
-            accepts_new_gcode = true
-        else
-	    print("buffer above 80% capacity")
-            os.execute("sleep 10")
+                if percentageBufferSize < 0.8 then
+                        print("buffer below 80% capacity, sending new gcode")
+                        accepts_new_gcode = true
+                else
+                        print("buffer above 80% capacity")
+                        os.execute("sleep 10")
+                end
         end
-    end
 end