From eace2fabb2c1e9b36b65d3d4f153c2642a75feee Mon Sep 17 00:00:00 2001
From: clerie <git@clerie.de>
Date: Sat, 28 Jun 2025 14:03:57 +0200
Subject: [PATCH] pkgs/build-support: Add writePytonScript helper function

---
 pkgs/build-support/default.nix           |  5 ++++
 pkgs/build-support/writePythonScript.nix | 37 ++++++++++++++++++++++++
 pkgs/git-show-link/default.nix           | 11 ++-----
 pkgs/pkgs.nix                            |  2 ++
 4 files changed, 46 insertions(+), 9 deletions(-)
 create mode 100644 pkgs/build-support/default.nix
 create mode 100644 pkgs/build-support/writePythonScript.nix

diff --git a/pkgs/build-support/default.nix b/pkgs/build-support/default.nix
new file mode 100644
index 0000000..c8ababc
--- /dev/null
+++ b/pkgs/build-support/default.nix
@@ -0,0 +1,5 @@
+final: prev:
+
+{
+  writePythonScript = final.callPackage ./writePythonScript.nix {};
+}
diff --git a/pkgs/build-support/writePythonScript.nix b/pkgs/build-support/writePythonScript.nix
new file mode 100644
index 0000000..c670818
--- /dev/null
+++ b/pkgs/build-support/writePythonScript.nix
@@ -0,0 +1,37 @@
+{
+  python3,
+  writeTextFile,
+  lib,
+}:
+
+{
+  name,
+  text,
+  runtimePackages ? ps: [],
+  pythonPackage ? python3,
+  meta ? {},
+  passthru ? {},
+  derivationArgs ? {},
+}:
+
+let
+
+  pythonWithPackages = pythonPackage.withPackages runtimePackages;
+
+in writeTextFile {
+  inherit
+    name
+    meta
+    passthru
+    derivationArgs
+    ;
+  executable = true;
+  destination = "/bin/${name}";
+  allowSubstitutes = true;
+  preferLocalBuild = false;
+  text = ''
+    #!${lib.getExe pythonWithPackages}
+
+    ${text}
+  '';
+}
diff --git a/pkgs/git-show-link/default.nix b/pkgs/git-show-link/default.nix
index 9fe38bb..314a753 100644
--- a/pkgs/git-show-link/default.nix
+++ b/pkgs/git-show-link/default.nix
@@ -1,13 +1,6 @@
 { pkgs, ... }:
 
-pkgs.writeTextFile {
+pkgs.clerie-build-support.writePythonScript {
   name = "git-show-link";
-  executable = true;
-  destination = "/bin/git-show-link";
-  allowSubstitutes = true;
-  preferLocalBuild = false;
-  text = ''
-    #!${pkgs.python3.withPackages (ps: with ps; [])}/bin/python3
-    ${builtins.readFile ./git-show-link.py}
-  '';
+  text = builtins.readFile ./git-show-link.py;
 }
diff --git a/pkgs/pkgs.nix b/pkgs/pkgs.nix
index 8e2c444..4e40f69 100644
--- a/pkgs/pkgs.nix
+++ b/pkgs/pkgs.nix
@@ -1,4 +1,6 @@
 {
+  clerie-build-support = final: prev: import ./build-support final prev;
+
   clerie-backup = final: prev: final.callPackage ./clerie-backup {};
   clerie-cleanup-branches = final: prev: final.callPackage ./clerie-update-nixfiles/clerie-cleanup-branches.nix {};
   clerie-keys = final: prev: final.callPackage ./clerie-keys {};