add update script for kernel

flake.nix

@@ -28,6 +28,11 @@
                 pkgs.cachix
                 pkgs.jq
                 pkgs.just
+                (pkgs.python3.withPackages (py: [
+                  py.PyGithub
+                  py.packaging
+                ]))
+                pkgs.pyright
               ];
             };
           };

update.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+
+from github import Github
+import sys
+import re
+from packaging.version import Version
+from subprocess import run
+
+latest_version: str = "0"
+latest_branch: str = ""
+previous_version: str = ""
+
+with Github() as gh:
+    for branch in gh.get_user("jhovold").get_repo("linux").get_branches():
+        v = re.match("wip/sc8280xp-((v?6.[0-9]+)(-rc[0-9]+)?)", branch.name)
+        if v != None and Version(v.group(1)) > Version(latest_version):
+            # add .0 to version
+            latest_version = f"{v.group(2)}.0{v.group(3) or ''}"
+            latest_branch = v.group(0)
+
+print("branch: " + latest_branch)
+print("latest: " + latest_version)
+
+with open("packages/default.nix", "r") as f:
+    lines = f.readlines()
+
+for line in lines:
+    v = re.match(r'^\s*version = "(6[.0-9-rc]+)";.*$', line)
+    if v != None:
+        previous_version = v.group(1)
+
+print("previous: " + previous_version)
+
+if previous_version == latest_version:
+    print("No update found, exiting.")
+    sys.exit(1)
+
+with open("packages/default.nix", "w") as f:
+    for line in lines:
+        f.write(
+            re.sub(
+                r'^(\s*version = ")6[.0-9-rc]+(";.*$)',
+                rf"\g<1>{latest_version}\2",
+                line,
+            )
+        )
+
+run(
+    f"npins add --name linux-jhovold github --branch {latest_branch} jhovold linux".split(
+        " "
+    )
+)
+
+run("git add npins/ packages/default.nix".split(" "))
+run(["git", "commit", "-m", f"jhovold: {previous_version} -> {latest_version}"])