revert new scope for 'if'

tests/manyloc/nake/nake.nim

@@ -0,0 +1,83 @@
+discard """
+DO AS THOU WILST PUBLIC LICENSE
+
+Whoever should stumble upon this document is henceforth and forever
+entitled to DO AS THOU WILST with aforementioned document and the
+contents thereof. 
+
+As said in the Olde Country, `Keepe it Gangster'."""
+
+import strutils, parseopt, tables, os
+
+type
+  PTask* = ref object
+    desc*: string
+    action*: TTaskFunction
+  TTaskFunction* = proc() {.closure.}
+var 
+  tasks* = initTable[string, PTask](16)
+
+proc newTask*(desc: string; action: TTaskFunction): PTask
+proc runTask*(name: string) {.inline.}
+proc shell*(cmd: varargs[string, `$`]): int {.discardable.}
+proc cd*(dir: string) {.inline.}
+
+template nakeImports*(): stmt {.immediate.} =
+  import tables, parseopt, strutils, os
+
+template task*(name: string; description: string; body: stmt): stmt {.dirty, immediate.} =
+  block:
+    var t = newTask(description, proc() {.closure.} =
+      body)
+    tasks[name] = t
+
+proc newTask*(desc: string; action: TTaskFunction): PTask =
+  new(result)
+  result.desc = desc
+  result.action = action
+proc runTask*(name: string) = tasks[name].action()
+
+proc shell*(cmd: varargs[string, `$`]): int =
+  result = execShellCmd(cmd.join(" "))
+proc cd*(dir: string) = setCurrentDir(dir)
+template withDir*(dir: string; body: stmt): stmt =
+  ## temporary cd
+  ## withDir "foo":
+  ##   # inside foo
+  ## #back to last dir
+  var curDir = getCurrentDir()
+  cd(dir)
+  body
+  cd(curDir)
+
+when isMainModule:
+  if not existsFile("nakefile.nim"):
+    echo "No nakefile.nim found. Current working dir is ", getCurrentDir()
+    quit 1
+  var args = ""
+  for i in 1..paramCount():
+    args.add paramStr(i)
+    args.add " "
+  quit(shell("nimrod", "c", "-r", "nakefile.nim", args))
+else:
+  addQuitProc(proc() {.noconv.} =
+    var 
+      task: string
+      printTaskList: bool
+    for kind, key, val in getOpt():
+      case kind
+      of cmdLongOption, cmdShortOption:
+        case key.tolower
+        of "tasks", "t":
+          printTaskList = true
+        else: 
+          echo "Unknown option: ", key, ": ", val
+      of cmdArgument:
+        task = key
+      else: nil
+    if printTaskList or task.isNil or not(tasks.hasKey(task)):
+      echo "Available tasks:"
+      for name, task in pairs(tasks):
+        echo name, " - ", task.desc
+      quit 0
+    tasks[task].action())