Usually binaries are all lowercase. Oh well ...

nimbus_launch.nimble

@@ -1,11 +1,11 @@
-packageName   = "nimbusLaunch"
+packageName   = "nimbus_launch"
 version       = "0.0.1"
 author        = "Status Research & Development GmbH"
 description   = "Create a Status Nim project skeleton"
 license       = "Apache License 2.0 or MIT"
 
 # This is a pure binary package, only install the binary
-bin           = @["src/nimbusLaunch"]
+bin           = @["src/nimbus_launch"]
 installDirs   = @[""]
 
 ### Dependencies

src/licensing/license.nim

@@ -12,7 +12,7 @@ import  times, strformat, tables, sequtils,
         ../private/[datatypes, format]
 
 const
-  # Embed the license at compile-time so that nimbusLaunch can be used standalone
+  # Embed the license at compile-time so that nimbus_launch can be used standalone
   # Unfortunately we can't use a table {"MIT": slurp"./license_MIT.txt", ...}.toTable as the procs don't work at compile-time
   license_MIT = slurp"./license_MIT.txt"
   license_APACHEv2 = slurp"./license_APACHEv2.txt"

src/nimbus_launch.nim

@@ -14,7 +14,7 @@ import  cligen,
 # ##############################
 # Logic
 
-proc nimbusLaunch(projectName: string,
+proc nimbus_launch(projectName: string,
                   githubName: string,
                   nimbleName: string,
                   licenses: Licenses = {MIT, Apachev2}): int =
@@ -24,7 +24,7 @@ proc nimbusLaunch(projectName: string,
 
   # 1. Validity checks
   if projectName.isNil or githubName.isNil or nimbleName.isNil:
-    error "nimbusLaunch requires 3 arguments at minimum: projectName, githubName, nimbleName.\n Run nimbleLaunch --help for more information."
+    error "nimbus_launch requires 3 arguments at minimum: projectName, githubName, nimbleName.\n Run nimbleLaunch --help for more information."
   if not githubName.validGithub:
     error "The package name on Github (" & githubName & ") must consist of lowercase ASCII, numbers and hyphens (uppercase and underscores are not allowed)."
   if not nimbleName.validIdentifier:
@@ -84,5 +84,5 @@ proc nimbusLaunch(projectName: string,
   )
 
 when isMainModule:
-  dispatch nimbusLaunch
+  dispatch nimbus_launch