update-version.sh

#!/usr/bin/env bash

set -euo pipefail

REPO="anomalyco/opencode"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

get_hash() {
  local url="$1"
  local temp_file
  temp_file=$(mktemp)
  trap 'rm -f "$temp_file"' RETURN

  if ! curl -sfL --fail "$url" -o "$temp_file"; then
    echo ""
    return 1
  fi

  local raw_hash
  raw_hash=$(sha256sum "$temp_file" | cut -d' ' -f1)
  nix hash convert --hash-algo sha256 --to sri "$raw_hash"
}

# 1. Get version
if [ -n "${1:-}" ]; then
  version="$1"
  echo "Version provided from argument: $version"
else
  echo "Fetching latest version from GitHub..."
  version=$(curl -fsSL --connect-timeout 10 --max-time 30 --retry 3 --retry-delay 3 --retry-all-errors "https://api.github.com/repos/$REPO/releases/latest" | \
    grep -oP '"tag_name":\s*"v\K[^"]+' || true)
  
  if [[ -z "$version" ]]; then
    echo "Error: Failed to fetch latest version from GitHub."
    exit 1
  fi
  echo "Latest version: $version"
fi

# Strip leading 'v' if present
version="${version#v}"

echo "------------------------------------------------"
echo "Target Version: $version"
echo "------------------------------------------------"

# 2. Define URLs
url_cli_linux_x64="https://github.com/$REPO/releases/download/v${version}/opencode-linux-x64.tar.gz"
url_cli_linux_arm64="https://github.com/$REPO/releases/download/v${version}/opencode-linux-arm64.tar.gz"
url_cli_darwin_x64="https://github.com/$REPO/releases/download/v${version}/opencode-darwin-x64.zip"
url_cli_darwin_arm64="https://github.com/$REPO/releases/download/v${version}/opencode-darwin-arm64.zip"
url_desktop_amd64="https://github.com/$REPO/releases/download/v${version}/opencode-desktop-linux-amd64.deb"
url_desktop_arm64="https://github.com/$REPO/releases/download/v${version}/opencode-desktop-linux-arm64.deb"

placeholder="sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="

# 3. Download and compute hashes
echo ""
echo "=== CLI Hashes ==="

echo "Computing hash for opencode CLI linux-x64..."
hash_cli_linux_x64=$(get_hash "$url_cli_linux_x64")
if [[ -z "$hash_cli_linux_x64" ]]; then
  echo "Error: Failed to download opencode CLI linux-x64."
  exit 1
fi
echo "  Hash: $hash_cli_linux_x64"

echo "Computing hash for opencode CLI linux-arm64..."
hash_cli_linux_arm64=$(get_hash "$url_cli_linux_arm64")
if [[ -z "$hash_cli_linux_arm64" ]]; then
  echo "Warning: Failed to download opencode CLI linux-arm64. Setting hash to placeholder."
  hash_cli_linux_arm64="$placeholder"
else
  echo "  Hash: $hash_cli_linux_arm64"
fi

echo "Computing hash for opencode CLI darwin-x64..."
hash_cli_darwin_x64=$(get_hash "$url_cli_darwin_x64")
if [[ -z "$hash_cli_darwin_x64" ]]; then
  echo "Warning: Failed to download opencode CLI darwin-x64. Setting hash to placeholder."
  hash_cli_darwin_x64="$placeholder"
else
  echo "  Hash: $hash_cli_darwin_x64"
fi

echo "Computing hash for opencode CLI darwin-arm64..."
hash_cli_darwin_arm64=$(get_hash "$url_cli_darwin_arm64")
if [[ -z "$hash_cli_darwin_arm64" ]]; then
  echo "Warning: Failed to download opencode CLI darwin-arm64. Setting hash to placeholder."
  hash_cli_darwin_arm64="$placeholder"
else
  echo "  Hash: $hash_cli_darwin_arm64"
fi

echo ""
echo "=== Desktop Hashes ==="

echo "Computing hash for opencode-desktop linux-amd64..."
hash_desktop_amd64=$(get_hash "$url_desktop_amd64")
if [[ -z "$hash_desktop_amd64" ]]; then
  echo "Error: Failed to download opencode-desktop amd64."
  exit 1
fi
echo "  Hash: $hash_desktop_amd64"

echo "Computing hash for opencode-desktop linux-arm64..."
hash_desktop_arm64=$(get_hash "$url_desktop_arm64")
if [[ -z "$hash_desktop_arm64" ]]; then
  echo "Warning: Failed to download opencode-desktop arm64. Setting hash to placeholder."
  hash_desktop_arm64="$placeholder"
else
  echo "  Hash: $hash_desktop_arm64"
fi

# 4. Update version.json
echo ""
echo "Updating version.json..."
cat > "$SCRIPT_DIR/version.json" << EOF
{
  "version": "$version"
}
EOF

# 5. Update opencode.nix (CLI — Linux + Darwin)
echo "Updating opencode.nix..."
opencode_file="$SCRIPT_DIR/opencode.nix"
if [[ ! -f "$opencode_file" ]]; then
  echo "Error: $opencode_file not found."
  exit 1
fi

hash_pattern='sha256-[A-Za-z0-9+/]*='

temp_file=$(mktemp)
sed -E \
  -e "s|\"$hash_pattern\"; # cli-linux-x64|\"$hash_cli_linux_x64\"; # cli-linux-x64|" \
  -e "s|\"$hash_pattern\"; # cli-linux-arm64|\"$hash_cli_linux_arm64\"; # cli-linux-arm64|" \
  -e "s|\"$hash_pattern\"; # cli-darwin-x64|\"$hash_cli_darwin_x64\"; # cli-darwin-x64|" \
  -e "s|\"$hash_pattern\"; # cli-darwin-arm64|\"$hash_cli_darwin_arm64\"; # cli-darwin-arm64|" \
  "$opencode_file" > "$temp_file"
mv "$temp_file" "$opencode_file"

# 6. Update opencode-desktop.nix (Desktop — Linux only)
echo "Updating opencode-desktop.nix..."
desktop_file="$SCRIPT_DIR/opencode-desktop.nix"
if [[ ! -f "$desktop_file" ]]; then
  echo "Error: $desktop_file not found."
  exit 1
fi

temp_file=$(mktemp)
sed -E \
  -e "s|\"$hash_pattern\"; # desktop-amd64|\"$hash_desktop_amd64\"; # desktop-amd64|" \
  -e "s|\"$hash_pattern\"; # desktop-arm64|\"$hash_desktop_arm64\"; # desktop-arm64|" \
  "$desktop_file" > "$temp_file"
mv "$temp_file" "$desktop_file"

echo "------------------------------------------------"
echo "Success! Updated to version $version"
echo "------------------------------------------------"
echo "  CLI linux-x64:          $hash_cli_linux_x64"
echo "  CLI linux-arm64:        $hash_cli_linux_arm64"
echo "  CLI darwin-x64:         $hash_cli_darwin_x64"
echo "  CLI darwin-arm64:       $hash_cli_darwin_arm64"
echo "  Desktop linux-amd64:    $hash_desktop_amd64"
echo "  Desktop linux-arm64:    $hash_desktop_arm64"
echo "------------------------------------------------"