adds NimbleVersion, NimbleMajor, NimbleMinor and NimblePatch to nimble files (#1303)

Author: jmgomez

src/nimblepkg/nimscriptapi.nim

@@ -80,6 +80,10 @@ proc getParams(): tuple[scriptFile, projectFile, outFile, actionName: string,
 const
   # Command line values are const so that thisDir() works at compile time
   (scriptFile, projectFile, outFile, actionName, commandLineParams*) = getParams()
+  NimbleVersion* {.strdefine.} = ""
+  NimbleMajor* {.intdefine.} = 0
+  NimbleMinor* {.intdefine.} = 0
+  NimblePatch* {.intdefine.} = 0
 
 proc getCommand*(): string =
   return command

src/nimblepkg/nimscriptwrapper.nim

@@ -47,11 +47,16 @@ proc execNimscript(
     compFlags = if isCustomTask: join(options.getCompilationFlags(), " ")
       else: ""
 
+  let nimbleVersion = common.nimbleVersion.split(".")
   var cmd = (
-    "$# e $# $# --colors:on $# $# $# $# $#" % [
+    "$# e $# $# --colors:on $# $# $# $# $# $# $# $# $#" % [
       getNimBin(options).quoteShell,
       "--hints:off --verbosity:0",
       "--define:nimbleExe=" & getAppFilename().quoteShell,
+      "--define:NimbleVersion=" & common.nimbleVersion,
+      "--define:NimbleMajor=" & nimbleVersion[0],
+      "--define:NimbleMinor=" & nimbleVersion[1],
+      "--define:NimblePatch=" & nimbleVersion[2],
       compFlags,
       nimsFile.quoteShell,
       nimbleFile.quoteShell,