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-rw-r--r--nix/binify/default.nix16
1 files changed, 16 insertions, 0 deletions
diff --git a/nix/binify/default.nix b/nix/binify/default.nix
new file mode 100644
index 000000000000..17fd980ad994
--- /dev/null
+++ b/nix/binify/default.nix
@@ -0,0 +1,16 @@
+{ pkgs, lib, ... }:
+
+# Create a store path where the executable `exe`
+# is linked to $out/bin/${name}.
+# This is useful for e.g. including it as a “package”
+# in `buildInputs` of a shell.nix.
+#
+# For example, if I have the exeutable /nix/store/…-hello,
+# I can make it into /nix/store/…-binify-hello/bin/hello
+# with `binify { exe = …; name = "hello" }`.
+{ exe, name }:
+
+pkgs.runCommandLocal "binify-${name}" {} ''
+  mkdir -p $out/bin
+  ln -sT ${lib.escapeShellArg exe} $out/bin/${lib.escapeShellArg name}
+''