From 9beb6e1529546f82d50c1b1bfdc20ca79cc41174 Mon Sep 17 00:00:00 2001
From: Taylor Rose <3nki.nam.shub@gmail.com>
Date: Wed, 29 May 2019 19:38:53 -0400
Subject: [PATCH] Add backend selection to nimble init

---
 src/nimble.nim         |  9 +++++++++
 src/nimblepkg/init.nim | 10 ++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/nimble.nim b/src/nimble.nim
index 94e677a..2eda5c5 100644
--- a/src/nimble.nim
+++ b/src/nimble.nim
@@ -802,6 +802,14 @@ This should ideally be a valid SPDX identifier. See https://spdx.org/licenses/.
 Please specify a valid SPDX identifier.""",
       "MIT"
     )
+  var pkgBackend = options.promptList(
+    """Package Backend?
+c    - Compile using C backend.
+cpp  - Compile using C++ backend.
+objc - Compile using Objective-C backend.
+js   - Compile using JavaScript backend.""",
+    ["c", "cpp", "objc", "js"]
+  )
 
   # Ask for Nim dependency
   let nimDepDef = getNimrodVersion()
@@ -816,6 +824,7 @@ Please specify a valid SPDX identifier.""",
       pkgAuthor,
       pkgDesc,
       pkgLicense,
+      pkgBackend,
       pkgSrcDir,
       pkgNimDep,
       pkgType
diff --git a/src/nimblepkg/init.nim b/src/nimblepkg/init.nim
index 42c7f4e..0617d97 100644
--- a/src/nimblepkg/init.nim
+++ b/src/nimblepkg/init.nim
@@ -9,6 +9,7 @@ type
     pkgAuthor: string
     pkgDesc: string
     pkgLicense: string
+    pkgBackend: string
     pkgSrcDir: string
     pkgNimDep: string
     pkgType: string
@@ -149,6 +150,10 @@ test "correct welcome":
 
   # Write the nimble file
   let nimbleFile = pkgRoot / info.pkgName.changeFileExt("nimble")
+  # Only write backend if it isn't "c"
+  var pkgBackend = ""
+  if (info.pkgBackend != "c"):
+    pkgBackend = "backend       = " & info.pkgbackend.escape()
   writeFile(nimbleFile, """# Package
 
 version       = $#
@@ -157,6 +162,7 @@ description   = $#
 license       = $#
 srcDir        = $#
 $#
+$#
 
 # Dependencies
 
@@ -164,8 +170,8 @@ requires "nim >= $#"
 """ % [
       info.pkgVersion.escape(), info.pkgAuthor.escape(), info.pkgDesc.escape(),
       info.pkgLicense.escape(), info.pkgSrcDir.escape(), nimbleFileOptions,
-      info.pkgNimDep
+      pkgBackend, info.pkgNimDep
     ]
   )
 
-  display("Info:", "Nimble file created successfully", priority=MediumPriority)
\ No newline at end of file
+  display("Info:", "Nimble file created successfully", priority=MediumPriority)