[pacman] add hook for linux-lts-versioned-bin update

to create unversioned lts entries in /boot

1 files changed, 30 insertions, 0 deletions

diff --git a/.config/pacman/bin/linux-lts-versioned-bin-hook b/.config/pacman/bin/linux-lts-versioned-bin-hook
new file mode 100755
index 0000000..ebb9b01
--- /dev/null
+++ b/.config/pacman/bin/linux-lts-versioned-bin-hook
@@ -0,0 +1,30 @@
+#! /usr/bin/python
+
+import sys, os, re
+
+boot_dir = '/boot'
+
+lts_vm_files = list(
+    filter(
+        re.compile(r'vmlinuz-([\d\.\-]+)-lts$').match,
+        os.listdir(boot_dir)
+    )
+)
+
+if not lts_vm_files:
+    print(f'No versioned kernel files found in {boot_dir}')
+    sys.exit(1)
+
+highest_lts_version_file = lts_vm_files[-1]
+version_name = re.search(r'vmlinuz-([\d\.\-]+)-lts$', highest_lts_version_file).group(1)
+
+symlink_map = {
+    f'{boot_dir}/initramfs-{version_name}-lts.img': f'{boot_dir}/initramfs-linux-lts.img',
+    f'{boot_dir}/initramfs-{version_name}-lts-fallback.img': f'{boot_dir}/initramfs-linux-lts-fallback.img',
+    f'{boot_dir}/vmlinuz-{version_name}-lts': f'{boot_dir}/vmlinuz-linux-lts',
+}
+for src, dst in symlink_map.items():
+    os.path.islink(dst) and os.unlink(dst)
+    os.symlink(src, dst)
+
+sys.exit(0)