Fix compile-time message includes when installing via Nimble.

src/pit.nim

@@ -7,10 +7,9 @@ import algorithm, cliutils, data_uri, docopt, json, logging, options, os,
 from nre import re
 import strutils except alignLeft, capitalize, strip, toUpper, toLower
 import pitpkg/private/libpit
+import pitpkg/cliconstants
 export libpit
 
-include "pitpkg/version.nim"
-
 type
   CliContext = ref object
     cfg*: PitConfig
@@ -267,8 +266,6 @@ proc list(
 
 when isMainModule:
  try:
-  const usage = readFile("src/usage.txt")
-  const onlineHelp = readFile("src/online-help.txt")
 
   let consoleLogger = newConsoleLogger(
     levelThreshold=lvlInfo,
@@ -276,7 +273,7 @@ when isMainModule:
   logging.addHandler(consoleLogger)
 
   # Parse arguments
-  let args = docopt(usage, version = PIT_VERSION)
+  let args = docopt(USAGE, version = PIT_VERSION)
 
   if args["--debug"]:
     consoleLogger.levelThreshold = lvlDebug
@@ -284,8 +281,8 @@ when isMainModule:
   if args["--echo-args"]: stderr.writeLine($args)
 
   if args["help"]:
-    stderr.writeLine(usage & "\n")
-    stderr.writeLine(onlineHelp)
+    stderr.writeLine(USAGE & "\n")
+    stderr.writeLine(ONLINE_HELP)
     quit()
 
   let ctx = initContext(args)