From 2b9c3da91167830363d4c8652fd87f487bed1746 Mon Sep 17 00:00:00 2001
From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
Date: Tue, 12 Jan 2021 18:19:49 +0100
Subject: [PATCH] Add script stage

---
 garlic/index.nix         |  1 +
 garlic/stages/script.nix | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 garlic/stages/script.nix

diff --git a/garlic/index.nix b/garlic/index.nix
index 5e2bd60..9a1ba14 100644
--- a/garlic/index.nix
+++ b/garlic/index.nix
@@ -72,6 +72,7 @@
     srun       = callPackage ./stages/srun.nix { };
     control    = callPackage ./stages/control.nix { };
     exec       = callPackage ./stages/exec.nix { };
+    script     = callPackage ./stages/script.nix { };
     extrae     = callPackage ./stages/extrae.nix { };
     valgrind   = callPackage ./stages/valgrind.nix { };
     perf       = callPackage ./stages/perf.nix { };
diff --git a/garlic/stages/script.nix b/garlic/stages/script.nix
new file mode 100644
index 0000000..4be3cec
--- /dev/null
+++ b/garlic/stages/script.nix
@@ -0,0 +1,23 @@
+{
+  stdenv
+}:
+
+{
+  script
+, shell ? "/bin/sh"
+}:
+
+stdenv.mkDerivation {
+  name = "script";
+  preferLocalBuild = true;
+  phases = [ "installPhase" ];
+  installPhase = ''
+    cat > $out <<'EOF'
+    #!${shell}
+
+    ${script}
+
+    EOF
+    chmod +x $out
+  '';
+}