Improve installer minification somewhat

bonecrunch.lua

@@ -0,0 +1,87 @@
+-- This is released into the public domain.
+-- No warranty is provided, implied or otherwise.
+
+-- This program tries to crunch down the installer a bit further.
+-- Specific target in mind, it has no support for string escapes.
+-- It also does this:
+for i = 1, 3 do
+ print(io.read())
+end
+
+local sequences = {
+ {"\n", " "},
+ {"  ", " "},
+ {" #", "#"},
+ {"# ", "#"},
+ {" ,", ","},
+ {", ", ","},
+ {" (", "("},
+ {"( ", "("},
+ {" )", ")"},
+ {") ", ")"},
+ {" <", "<"},
+ {"< ", "<"},
+ {" >", ">"},
+ {"> ", ">"},
+ {" *", "*"},
+ {"* ", "*"},
+ {" ~", "~"},
+ {"~ ", "~"},
+ {" /", "/"},
+ {"/ ", "/"},
+ {" %", "%"},
+ {"% ", "%"},
+ {" =", "="},
+ {"= ", "="},
+ {" -", "-"},
+ {"- ", "-"},
+ {" +", "+"},
+ {"+ ", "+"},
+ {".. ", ".."},
+ {" ..", ".."},
+ {"\"\" ", "\"\""},
+ {"=0 t", "=0t"},
+ {">0 t", ">0t"},
+ {">1 t", ">1t"},
+ {"=1 w", "=1w"},
+ {"=380 l", "=380l"},
+ {"=127 t", "=127t"},
+ {"=128 t", "=128t"},
+ {">255 t", ">255t"},
+ {"=512 t", "=512t"}
+}
+
+local function pass(buffer)
+ local ob = ""
+ local smode = false
+ while #buffer > 0 do
+  if not smode then
+   local ds = true
+   while ds do
+    ds = false
+    for _, v in ipairs(sequences) do
+     if buffer:sub(1, #(v[1])) == v[1] then
+      buffer = v[2] .. buffer:sub(#(v[1]) + 1)
+      ds = true
+     end
+    end
+   end
+  end
+  local ch = buffer:sub(1, 1)
+  buffer = buffer:sub(2)
+  ob = ob .. ch
+  if ch == "\"" then
+   smode = not smode
+  end
+ end
+ return ob
+end
+local op = io.read("*a")
+while true do
+ local np = pass(op)
+ if np == op then
+  io.write(np)
+  return
+ end
+ op = np
+end

com2/bdivide.lua

@@ -52,7 +52,7 @@ local function runBlock(blk)
  end
 end
 
-while true do
+while 1 do
  local blkd = io.read(512)
  runBlock(blkd)
  if #blkd < 512 then

com2/bundiv.lua

@@ -3,36 +3,38 @@
 local sector = io.write -- XX
 -- BUNDIVIDE reference implementation for integration XX
 local Cs,Cbu,Cb,Cw,Cp,Ct,Ci,CP,CB,CD={},128,"",128,"",""
-CP=function(d,b)
+CP = function(d,b)
- Ct=Ct..d
+ Ct = Ct .. d
  while#Ct>2 do
-  b=Ct:byte()
+  b = Ct:byte()
-  Ct=Ct:sub(2)
+  Ct = Ct:sub(2)
-  if b==127then
+  if b == 127 then
-   b=Ct:byte()
+   b = Ct:byte()
-   Ct=Ct:sub(2)
+   Ct = Ct:sub(2)
-   if b==127then
+   if b == 127 then
-    b=Ct:byte()+254
+    b = Ct:byte()+254
-    if b>255then
+    if b > 255then
-     b=b-256
+     b = b - 256
     end
-    Ct=Ct:sub(2)
+    Ct = Ct:sub(2)
    else
-    b=b+127
+    b = b + 127
    end
   end
-  Cp=Cp..string.char(b)
+  Cp = Cp..string.char(b)
-  if #Cp==512then
+  if #Cp == 512 then
    sector(Cp)
-   Cp=""
+   Cp = ""
   end
  end
 end
-for i=128,127+Cbu do Cs[i]=("\x00"):rep(512) end
+for i = 128, 127 + Cbu do
-Cs[Cw]=""
+ Cs[i] = ("\x00"):rep(512)
-CB=function(d,i,d2,x,y)
+end
+Cs[Cw] = ""
+CB = function (d, i, d2, x, y)
  i=1
- while i<=#d-2 do
+ while i <= #d - 2 do
   b=d:byte(i)
   d2=d:sub(i,i)
   i=i+1
@@ -41,13 +43,15 @@ CB=function(d,i,d2,x,y)
     Ci=1
    end
   else
-   if b>=128then
+   if b >= 128 then
-    x=d:byte(i)i=i+1
+    x = d:byte(i)
-    y=(d:byte(i)+((x%2)*256))i=i+1
+    i = i + 1
-    d2=Cs[b]:sub(y+1,y+3+math.floor(x/2))
+    y=d:byte(i) + ((x % 2) * 256)
+    i = i + 1
+    d2=Cs[b]:sub(y + 1,y + 3 + math.floor(x / 2))
    end
    Cs[Cw]=Cs[Cw]..d2
-   if #Cs[Cw]>=512then
+   if #Cs[Cw]>=512 then
     CP(Cs[Cw])
     Cw=((Cw-127)%Cbu)+128
     Cs[Cw]=""
@@ -56,9 +60,9 @@ CB=function(d,i,d2,x,y)
  end
  return i
 end
-CD=function(d)
+CD = function(d)
- Cb=Cb..d
+ Cb = Cb .. d
- Cb=Cb:sub(CB(Cb))
+ Cb = Cb:sub(CB(Cb))
 end
 CD(io.read("*a")) -- XX
 --D.remove("init-bdivide.lua")--

heroes.lua

@@ -10,11 +10,8 @@ local src = io.open("com2/bundiv.lua", "r")
 while true do
  local line = src:read()
  if not line then
-  src:close()
-  io.write("--[[")
   io.flush()
-  os.execute("cat com2/code.tar.bd")
+  src:close()
-  io.write("]]")
   return
  end
  local endix = line:sub(#line-1,#line)

insthead.lua

@@ -1,11 +1,10 @@
 -- KOSNEO inst.
 -- This is released into the public domain.
 -- No warranty is provided, implied or otherwise.
-
 local C, O, G, D = component, computer
 
 if not C then
- error("Copy to init.lua on a blank disk. Thank you!")
+ error("Copy as init.lua to a blank disk, then remove all other disks and reboot. Thank you!")
 end
 
 local sa = C.list("screen", true)()
@@ -28,16 +27,12 @@ end
 
 D = C.proxy(O.getBootAddress())
 
-local tF = nil
+local tFN,tFSR,tW,tF="Starting...",0,0
-local tFN = "Starting..."
-local tFSR = 0
-local tW = 0
 
-local convoct
+local function tO(oct)
-convoct = function (oct)
  local v = oct:byte(#oct) - 0x30
  if #oct > 1 then
-  return (convoct(oct:sub(1, #oct - 1)) * 8) + v
+  return (tO(oct:sub(1, #oct - 1)) * 8) + v
  end
  return v
 end
@@ -56,7 +51,7 @@ local function tA(s)
   end
  else
   tFN = s:sub(1, 100):gsub("\x00", "")
-  local sz = convoct(s:sub(125, 135))
+  local sz = tO(s:sub(125, 135))
   if tFN:sub(1, 5) ~= "code/" then
    tW = math.ceil(sz / 512)
   else
@@ -79,12 +74,8 @@ local function tA(s)
  end
 end
 
-local dieCB = function () end
+local sN,sC,dieCB,sector=0,0
-
+function sector(n)
-local sN = 0
-local sC = 0
-
-local function sector(n)
  tA(n)
  sN = sN + 1
  if G then

mkucinst.lua

@@ -14,6 +14,7 @@ while true do
 end
 df:close()
 local df = io.open("code.tar", "rb")
+f:write("dieCB = function () end")
 f:write("sC = " .. sc .. "\n")
 while true do
  local d = df:read(512)

package.sh

@@ -7,7 +7,10 @@ rm code.tar
 # Hey, look behind you, there's nothing to see here.
 # ... ok, are they seriously all named "Mann"?
 tar --owner=gray:0 --group=mann:0 -cf code.tar code
-lua heroes.lua `wc -c code.tar` > inst.lua
+lua heroes.lua `wc -c code.tar` | lua bonecrunch.lua > inst.lua
+echo -n "--[[" >> inst.lua
+cat com2/code.tar.bd >> inst.lua
+echo -n "]]" >> inst.lua
 
 stat repobuild/data/app-claw/local.lua && rm -rf repobuild
 mkdir repobuild