fix nim-lang#14179, fix nim-lang#14142, make CI 1.4x faster (2x faste…

…r locally) (nim-lang#14658)

* fix nim-lang#14142: no more clash with: import os + use of existsDir/dirExists/existsFile/fileExists/findExe in config.nims

* remove a comment

* Revert "fixes the regression nim-lang#12860 caused; hotfix"

This reverts commit 3d2459b.

* Revert "Undefine `paramCount` & `paramStr` in nimscript.nim for *.nims (nim-lang#12860)"

This reverts commit d38853c.

* noNimScript => noWeirdTarget + noNimJs

changelog.md

@@ -62,7 +62,6 @@
 
 - Added high-level `asyncnet.sendTo` and `asyncnet.recvFrom`. UDP functionality.
 
-- `paramCount` & `paramStr` are now defined in os.nim instead of nimscript.nim for nimscript/nimble.
 - `dollars.$` now works for unsigned ints with `nim js`
 
 - Improvements to the `bitops` module, including bitslices, non-mutating versions

compiler/scriptconfig.nim

@@ -141,12 +141,10 @@ proc setupVM*(module: PSym; cache: IdentCache; scriptName: string;
     setResult(a, options.existsConfigVar(conf, a.getString 0))
   cbconf nimcacheDir:
     setResult(a, options.getNimcacheDir(conf).string)
-  result.registerCallback "stdlib.os." & astToStr(paramStr),
-    proc (a: VmArgs) =
-      setResult(a, os.paramStr(int a.getInt 0))
-  result.registerCallback "stdlib.os." & astToStr(paramCount),
-    proc (a: VmArgs) =
-      setResult(a, os.paramCount())
+  cbconf paramStr:
+    setResult(a, os.paramStr(int a.getInt 0))
+  cbconf paramCount:
+    setResult(a, os.paramCount())
   cbconf cmpIgnoreStyle:
     setResult(a, strutils.cmpIgnoreStyle(a.getString 0, a.getString 1))
   cbconf cmpIgnoreCase: