Add automated update script for claude-cli package
Create update.sh script that fetches the latest claude-code version and SHA256 hashes from Homebrew cask and automatically updates the Nix package definition. Features: - Fetches version and all 4 platform SHA256 hashes from Homebrew - Updates default.nix in-place using awk for reliable parsing - Validates extracted data before updating - Supports --dry-run mode to preview changes - Supports --help flag for usage information - Idempotent (safe to run multiple times) Update README to document the automated update method as the recommended approach, with manual update as a fallback option.
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132
packages/claude-cli/update.sh
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132
packages/claude-cli/update.sh
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#!/usr/bin/env bash
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set -euo pipefail
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DRY_RUN=false
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# Parse arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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--dry-run|-n)
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DRY_RUN=true
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shift
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;;
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--help|-h)
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echo "Usage: $0 [OPTIONS]"
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echo ""
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echo "Options:"
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echo " --dry-run, -n Show what would be updated without making changes"
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echo " --help, -h Show this help message"
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exit 0
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;;
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*)
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echo "Unknown option: $1"
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echo "Use --help for usage information"
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exit 1
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;;
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esac
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done
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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CASK_URL="https://raw.githubusercontent.com/Homebrew/homebrew-cask/HEAD/Casks/c/claude-code.rb"
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NIX_FILE="$(dirname "$0")/default.nix"
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echo "Fetching latest claude-code version from Homebrew cask..."
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# Fetch the cask file
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CASK_CONTENT=$(curl -fsSL "$CASK_URL")
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# Extract version (format: version "X.Y.Z")
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NEW_VERSION=$(echo "$CASK_CONTENT" | grep -m1 'version' | sed -E 's/.*version "([^"]+)".*/\1/')
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# Extract SHA256 hashes (be specific to match sha256 lines only)
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SHA_ARM=$(echo "$CASK_CONTENT" | grep 'sha256 arm:' | sed -E 's/.*"([a-f0-9]{64})".*/\1/')
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SHA_X86_64=$(echo "$CASK_CONTENT" | grep 'x86_64:' | sed -E 's/.*"([a-f0-9]{64})".*/\1/')
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SHA_X86_64_LINUX=$(echo "$CASK_CONTENT" | grep 'x86_64_linux:' | sed -E 's/.*"([a-f0-9]{64})".*/\1/')
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SHA_ARM64_LINUX=$(echo "$CASK_CONTENT" | grep 'arm64_linux:' | sed -E 's/.*"([a-f0-9]{64})".*/\1/')
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# Get current version
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CURRENT_VERSION=$(grep -m1 'version = ' "$NIX_FILE" | sed -E 's/.*version = "([^"]+)".*/\1/')
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# Validate extracted data
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if [ -z "$NEW_VERSION" ] || [ -z "$SHA_ARM" ] || [ -z "$SHA_X86_64" ] || [ -z "$SHA_X86_64_LINUX" ] || [ -z "$SHA_ARM64_LINUX" ]; then
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echo -e "${RED}Error: Failed to extract all required values from Homebrew cask${NC}"
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echo "Version: $NEW_VERSION"
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echo "ARM: $SHA_ARM"
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echo "x86_64: $SHA_X86_64"
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echo "x86_64_linux: $SHA_X86_64_LINUX"
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echo "arm64_linux: $SHA_ARM64_LINUX"
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exit 1
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fi
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# Check if update is needed
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if [ "$CURRENT_VERSION" = "$NEW_VERSION" ]; then
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echo -e "${GREEN}Already up to date: $CURRENT_VERSION${NC}"
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exit 0
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fi
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echo -e "${YELLOW}Updating from $CURRENT_VERSION to $NEW_VERSION${NC}"
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if [ "$DRY_RUN" = true ]; then
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echo -e "${YELLOW}DRY RUN - No changes will be made${NC}"
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echo ""
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echo "Would update:"
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echo " Version: $CURRENT_VERSION -> $NEW_VERSION"
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echo " aarch64-darwin SHA: $SHA_ARM"
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echo " x86_64-darwin SHA: $SHA_X86_64"
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echo " x86_64-linux SHA: $SHA_X86_64_LINUX"
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echo " aarch64-linux SHA: $SHA_ARM64_LINUX"
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exit 0
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fi
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# Update version
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sed -i.tmp "s/version = \".*\";/version = \"$NEW_VERSION\";/" "$NIX_FILE"
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# Update SHA256 hashes using awk for more reliable parsing
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awk -v sha_arm="$SHA_ARM" -v sha_x86="$SHA_X86_64" -v sha_x86_linux="$SHA_X86_64_LINUX" -v sha_arm_linux="$SHA_ARM64_LINUX" '
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/aarch64-darwin = {/ { in_arm = 1 }
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/x86_64-darwin = {/ { in_x86 = 1 }
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/x86_64-linux = {/ { in_x86_linux = 1 }
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/aarch64-linux = {/ { in_arm_linux = 1 }
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/};/ {
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in_arm = 0
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in_x86 = 0
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in_x86_linux = 0
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in_arm_linux = 0
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}
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/sha256 = / {
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if (in_arm) {
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sub(/sha256 = ".*";/, "sha256 = \"" sha_arm "\";")
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} else if (in_x86) {
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sub(/sha256 = ".*";/, "sha256 = \"" sha_x86 "\";")
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} else if (in_x86_linux) {
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sub(/sha256 = ".*";/, "sha256 = \"" sha_x86_linux "\";")
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} else if (in_arm_linux) {
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sub(/sha256 = ".*";/, "sha256 = \"" sha_arm_linux "\";")
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}
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}
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{ print }
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' "$NIX_FILE" > "$NIX_FILE.new"
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mv "$NIX_FILE.new" "$NIX_FILE"
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# Clean up temp files
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rm -f "$NIX_FILE.tmp"
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echo -e "${GREEN}Successfully updated to version $NEW_VERSION${NC}"
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echo ""
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echo "Updated SHA256 hashes:"
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echo " aarch64-darwin: $SHA_ARM"
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echo " x86_64-darwin: $SHA_X86_64"
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echo " x86_64-linux: $SHA_X86_64_LINUX"
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echo " aarch64-linux: $SHA_ARM64_LINUX"
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echo ""
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echo "Next steps:"
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echo " 1. Review changes: git diff $NIX_FILE"
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echo " 2. Test build: NIXPKGS_ALLOW_UNFREE=1 nix-build -E 'with import <nixpkgs> { config.allowUnfree = true; }; callPackage ./packages/claude-cli {}'"
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echo " 3. Verify version: ./result/bin/claude --version"
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echo " 4. Commit: git add $NIX_FILE && git commit -m 'claude-cli: Update to version $NEW_VERSION'"
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