package gen_init_cpio, tool for making an initramfs

2023-04-04 22:47:59 +01:00
parent f02efa3fe3
commit aa1a2e5d75
2 changed files with 19 additions and 0 deletions
--- a/pkgs/gen_init_cpio/default.nix
+++ b/pkgs/gen_init_cpio/default.nix
@@ -0,0 +1,17 @@
+{
+  stdenv
+, fetchurl
+}:
+stdenv.mkDerivation rec {
+  name = "gen_init_cpio";
+  src = fetchurl {
+    url = "https://raw.githubusercontent.com/torvalds/linux/462cd7724e2341472c9f9670ac88e250788d4c82/usr/gen_init_cpio.c";
+    hash = "sha256-gwKSJGiCS4v98EArNryr/sdYAfDqnGsZ1erfGMNVjpw=";
+  };
+  unpackPhase = "cp ${src} ./gen_init_cpio.c";
+  buildPhase = "gcc -o gen_init_cpio gen_init_cpio.c";
+  installPhase = ''
+    mkdir -p $out/bin
+    cp gen_init_cpio $out/bin
+  '';
+}