add kde; add update scripts

scripts/update-alpine.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Script to get latest Alpine version and hash
+# Usage: ./update-alpine.sh
+
+# Get the latest Alpine version by checking the releases page
+# Alpine versions are in format like "3.23.2" under v3.23 directory
+LATEST_MINOR=$(curl -s https://dl-cdn.alpinelinux.org/alpine/ | \
+    grep -oP 'v\d+\.\d+' | \
+    sort -V | \
+    tail -n1)
+
+if [[ -z "$LATEST_MINOR" ]]; then
+    echo "Error: Could not determine latest Alpine minor version" >&2
+    exit 1
+fi
+
+# Get the latest patch version from that minor version
+VERSION=$(curl -s "https://dl-cdn.alpinelinux.org/alpine/${LATEST_MINOR}/releases/x86_64/" | \
+    grep -oP 'alpine-netboot-\K[\d.]+(?=-x86_64\.tar\.gz)' | \
+    sort -V | \
+    tail -n1)
+
+if [[ -z "$VERSION" ]]; then
+    echo "Error: Could not determine latest Alpine version" >&2
+    exit 1
+fi
+
+# Download the .sha256 checksum file
+CHECKSUM_URL="https://dl-cdn.alpinelinux.org/alpine/${LATEST_MINOR}/releases/x86_64/alpine-netboot-${VERSION}-x86_64.tar.gz.sha256"
+HASH_HEX=$(curl -s "$CHECKSUM_URL" | awk '{print $1}')
+
+if [[ -z "$HASH_HEX" ]]; then
+    echo "Error: Could not download checksum from $CHECKSUM_URL" >&2
+    exit 1
+fi
+
+# Convert hex hash to SRI format
+HASH_SRI=$(nix-hash --type sha256 --to-sri "$HASH_HEX")
+
+# Output version and hash
+echo "version: $VERSION"
+echo "hash: $HASH_SRI"