fix: stop duplicate target error on unpack

When merged, this will close #98.

CHANGELOG.md

@@ -1,5 +1,15 @@
 # nasher changelog
 
+## 0.17.3: May 6, 2022
+
+`unpack` no longer causes a duplicate target error.
+([#98](https://github.com/squattingmonk/nasher/issues/98))
+
+---
+
+Details: https://github.com/squattingmonk/nasher/compare/0.17.2...0.17.3
+
+
 ## 0.17.2: April 21, 2022
 
 - An error is now generated if multiple targets in nasher.cfg have the same name.

src/nasher.nim

@@ -86,7 +86,7 @@ when isMainModule:
       of "config":
         config(opts)
       of "init":
-        if init(opts, pkg):
+        if init(opts, pkg) and loadPackageFile(pkg, getPackageFile()):
           unpack(opts, pkg)
       of "unpack":
         unpack(opts, pkg)

src/nasher/unpack.nim

@@ -97,9 +97,6 @@ proc unpack*(opts: Options, pkg: PackageRef) =
   if not dirExists(dir):
     fatal("Cannot unpack to {dir}: directory does not exist.")
 
-  if not loadPackageFile(pkg, getPackageFile(dir)):
-    fatal(dir & " is not a nasher project. Please run nasher init.")
-
   # If the user has specified a file to unpack, use that. Otherwise, look for
   # the installed target file.
   let