Add shell.nix

This allows you to build the package on everything Nix runs on, now this
dumbass can actually verify if what he changed actually builds when he's
not near an Arch installation

The fixup is needed because curl, rsync and scp are hard-coded to
/usr/bin/ in makepkg.conf

1 files changed, 17 insertions, 0 deletions

diff --git a/shell.nix b/shell.nix
new file mode 100644
index 000000000000..186970a10032
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,17 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+with pkgs;
+
+mkShell {
+  buildInputs = [
+    (pacman.overrideDerivation (old: {
+      postFixup = old.postFixup + ''
+        sed -i 's|/usr/bin/|${pkgs.coreutils}/bin/env |g' $out/etc/makepkg.conf
+      '';
+    }))
+    curl
+    fakeroot
+    file
+    libarchive # bsdtar
+  ];
+}