From 9cbec535803e710100a3f65fc14ac9dbcba0e27e Mon Sep 17 00:00:00 2001
From: Dan Vargas <danvargas46@gmail.com>
Date: Fri, 4 Feb 2022 09:34:01 -0700
Subject: [PATCH] add perl-rename to container and update related runtime
 scripts

---
 api/default.nix    | 1 +
 runtimes/vlang.nix | 6 +++---
 runtimes/zig.nix   | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/api/default.nix b/api/default.nix
index a4d4868..544db0e 100644
--- a/api/default.nix
+++ b/api/default.nix
@@ -40,6 +40,7 @@ with pkgs; rec {
       gnutar
       gzip
       gnugrep
+      rename
       util-linux
     ];
 
diff --git a/runtimes/vlang.nix b/runtimes/vlang.nix
index c203c1b..6ed8b33 100644
--- a/runtimes/vlang.nix
+++ b/runtimes/vlang.nix
@@ -15,11 +15,11 @@ in piston.mkRuntime {
         export TMPDIR="$PWD"
 
         # modify file extension
-        mv "$1" "$1.v"
-        filename="$1.v"
+        filename="$1"
+        rename 's/$/.v/' "$filename"
         shift
 
-        ${pkg}/bin/v run "$filename" "$@"
+        ${pkg}/bin/v run "$filename.v" "$@"
     '';
 
     tests = [
diff --git a/runtimes/zig.nix b/runtimes/zig.nix
index b098306..b2b56cb 100644
--- a/runtimes/zig.nix
+++ b/runtimes/zig.nix
@@ -8,7 +8,7 @@ in piston.mkRuntime {
 
     # Add .zig extension for compile script and optimize compiler for small programs
     compile = ''
-        for f; do mv "$f" "$f.zig"; done
+        rename 's/$/.zig/' "$@"
         ${pkg}/bin/zig build-exe -O ReleaseSafe --color off --cache-dir . --global-cache-dir . --name out *.zig
     '';