feat: self-package claude-code

packages/claude-code/update.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl jq nodejs prefetch-npm-deps nix-prefetch
+# shellcheck shell=bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"
+PKG_FILE="$SCRIPT_DIR/package.nix"
+LOCK_FILE="$SCRIPT_DIR/package-lock.json"
+
+cd "$ROOT_DIR"
+
+extract_hash() {
+	sed 's/\x1b\[[0-9;]*m//g' | grep 'got:' | tail -1 | grep -oP 'sha256-[A-Za-z0-9+/]+='
+}
+
+main() {
+	echo "fetching latest version from npm..."
+	local latest current
+	latest=$(curl -sf "https://registry.npmjs.org/@anthropic-ai/claude-code/latest" | jq -r '.version')
+	current=$(grep 'version = ' "$PKG_FILE" | head -1 | sed 's/.*"\(.*\)".*/\1/')
+
+	if [[ "$current" == "$latest" ]]; then
+		echo "claude-code already at $latest"
+		return 0
+	fi
+
+	echo "updating claude-code: $current -> $latest"
+
+	local url="https://registry.npmjs.org/@anthropic-ai/claude-code/-/claude-code-${latest}.tgz"
+
+	echo "  prefetching source..."
+	local base32 src_hash
+	base32=$(nix-prefetch-url --unpack "$url" 2>/dev/null)
+	src_hash=$(nix hash convert --to sri "sha256:$base32")
+	echo "  source: $src_hash"
+
+	echo "  generating package-lock.json..."
+	local tmpdir
+	tmpdir=$(mktemp -d)
+	trap 'rm -rf "$tmpdir"' RETURN
+	curl -sf "$url" -o "$tmpdir/pkg.tgz"
+	tar xzf "$tmpdir/pkg.tgz" -C "$tmpdir" --strip-components=1
+	(cd "$tmpdir" && npm install --package-lock-only --ignore-scripts --no-audit --no-fund 2>/dev/null)
+	cp "$tmpdir/package-lock.json" "$LOCK_FILE"
+
+	echo "  computing npm deps hash..."
+	local npm_hash
+	npm_hash=$(prefetch-npm-deps "$LOCK_FILE" 2>/dev/null)
+	echo "  npmDepsHash: $npm_hash"
+
+	local old_src old_npm
+	old_src=$(grep 'hash = "sha256-' "$PKG_FILE" | head -1 | grep -oP 'sha256-[A-Za-z0-9+/]+=')
+	old_npm=$(grep 'npmDepsHash = "sha256-' "$PKG_FILE" | grep -oP 'sha256-[A-Za-z0-9+/]+=')
+
+	sed -i "s|version = \"$current\"|version = \"$latest\"|" "$PKG_FILE"
+	sed -i "s|$old_src|$src_hash|" "$PKG_FILE"
+	sed -i "s|$old_npm|$npm_hash|" "$PKG_FILE"
+
+	echo "claude-code updated to $latest"
+}
+
+main "$@"