mirror of
https://github.com/RayLabsHQ/gitea-mirror.git
synced 2026-07-21 00:52:45 +02:00
Arunavo Ray
455 lines
15 KiB
Nix
455 lines
15 KiB
Nix
{
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description = "Gitea Mirror - Self-hosted GitHub to Gitea mirroring service";
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nixConfig = {
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extra-substituters = [
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"https://nix-community.cachix.org"
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];
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extra-trusted-public-keys = [
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"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
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];
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};
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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bun2nix = {
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url = "github:nix-community/bun2nix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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};
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outputs = { self, nixpkgs, flake-utils, bun2nix }:
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let
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forEachSystem = flake-utils.lib.eachDefaultSystem;
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in
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(forEachSystem (system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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b2n = bun2nix.packages.${system}.default;
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# Build the application
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gitea-mirror = pkgs.stdenv.mkDerivation {
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pname = "gitea-mirror";
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version = "3.9.6";
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src = ./.;
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nativeBuildInputs = [
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pkgs.bun
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b2n.hook
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];
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buildInputs = with pkgs; [
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sqlite
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openssl
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];
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bunDeps = b2n.fetchBunDeps {
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bunNix = ./bun.nix;
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};
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# Let the bun2nix hook handle dependency installation via the
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# pre-fetched cache, but skip its default build/check/install
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# phases since we have custom ones.
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dontUseBunBuild = true;
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dontUseBunCheck = true;
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dontUseBunInstall = true;
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buildPhase = ''
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runHook preBuild
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export HOME=$TMPDIR
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# The bun2nix cache is in the read-only Nix store, but bunx/astro
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# may try to write to it at build time. Copy the cache to a
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# writable location.
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if [ -n "$BUN_INSTALL_CACHE_DIR" ] && [ -d "$BUN_INSTALL_CACHE_DIR" ]; then
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WRITABLE_CACHE="$TMPDIR/bun-cache"
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cp -rL "$BUN_INSTALL_CACHE_DIR" "$WRITABLE_CACHE" 2>/dev/null || true
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chmod -R u+w "$WRITABLE_CACHE" 2>/dev/null || true
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export BUN_INSTALL_CACHE_DIR="$WRITABLE_CACHE"
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fi
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# Build the Astro application
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bun run build
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out/lib/gitea-mirror
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mkdir -p $out/bin
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# Copy the built application
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cp -r dist $out/lib/gitea-mirror/
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cp -r node_modules $out/lib/gitea-mirror/
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cp -r scripts $out/lib/gitea-mirror/
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cp -r src $out/lib/gitea-mirror/
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cp -r drizzle $out/lib/gitea-mirror/
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cp package.json $out/lib/gitea-mirror/
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cp tsconfig.json $out/lib/gitea-mirror/
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# Create entrypoint script that matches Docker behavior
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cat > $out/bin/gitea-mirror <<'EOF'
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#!${pkgs.bash}/bin/bash
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set -e
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# === DEFAULT CONFIGURATION ===
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# These match docker-compose.alt.yml defaults
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export DATA_DIR=''${DATA_DIR:-"$HOME/.local/share/gitea-mirror"}
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export DATABASE_URL=''${DATABASE_URL:-"file:$DATA_DIR/gitea-mirror.db"}
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export HOST=''${HOST:-"0.0.0.0"}
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export PORT=''${PORT:-"4321"}
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export NODE_ENV=''${NODE_ENV:-"production"}
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# Better Auth configuration
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export BETTER_AUTH_URL=''${BETTER_AUTH_URL:-"http://localhost:4321"}
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export BETTER_AUTH_TRUSTED_ORIGINS=''${BETTER_AUTH_TRUSTED_ORIGINS:-"http://localhost:4321"}
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export PUBLIC_BETTER_AUTH_URL=''${PUBLIC_BETTER_AUTH_URL:-"http://localhost:4321"}
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# Concurrency settings (match docker-compose.alt.yml)
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export MIRROR_ISSUE_CONCURRENCY=''${MIRROR_ISSUE_CONCURRENCY:-3}
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export MIRROR_PULL_REQUEST_CONCURRENCY=''${MIRROR_PULL_REQUEST_CONCURRENCY:-5}
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# Create data directory
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mkdir -p "$DATA_DIR"
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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APP_DIR="$SCRIPT_DIR/../lib/gitea-mirror"
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# The app uses process.cwd()/data for the database, but the Nix store
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# is read-only. Create a writable working directory with symlinks to
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# the app files and a real data directory.
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WORK_DIR="$DATA_DIR/.workdir"
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mkdir -p "$WORK_DIR"
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for item in dist node_modules scripts src drizzle package.json tsconfig.json; do
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ln -sfn "$APP_DIR/$item" "$WORK_DIR/$item"
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done
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ln -sfn "$DATA_DIR" "$WORK_DIR/data"
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cd "$WORK_DIR"
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# === AUTO-GENERATE SECRETS ===
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BETTER_AUTH_SECRET_FILE="$DATA_DIR/.better_auth_secret"
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ENCRYPTION_SECRET_FILE="$DATA_DIR/.encryption_secret"
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# Generate BETTER_AUTH_SECRET if not provided
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if [ -z "$BETTER_AUTH_SECRET" ]; then
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if [ -f "$BETTER_AUTH_SECRET_FILE" ]; then
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echo "Using previously generated BETTER_AUTH_SECRET"
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export BETTER_AUTH_SECRET=$(cat "$BETTER_AUTH_SECRET_FILE")
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else
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echo "Generating a secure random BETTER_AUTH_SECRET"
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GENERATED_SECRET=$(${pkgs.openssl}/bin/openssl rand -hex 32)
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export BETTER_AUTH_SECRET="$GENERATED_SECRET"
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echo "$GENERATED_SECRET" > "$BETTER_AUTH_SECRET_FILE"
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chmod 600 "$BETTER_AUTH_SECRET_FILE"
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echo "✅ BETTER_AUTH_SECRET generated and saved to $BETTER_AUTH_SECRET_FILE"
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fi
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fi
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# Generate ENCRYPTION_SECRET if not provided
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if [ -z "$ENCRYPTION_SECRET" ]; then
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if [ -f "$ENCRYPTION_SECRET_FILE" ]; then
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echo "Using previously generated ENCRYPTION_SECRET"
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export ENCRYPTION_SECRET=$(cat "$ENCRYPTION_SECRET_FILE")
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else
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echo "Generating a secure random ENCRYPTION_SECRET"
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GENERATED_ENCRYPTION_SECRET=$(${pkgs.openssl}/bin/openssl rand -base64 36)
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export ENCRYPTION_SECRET="$GENERATED_ENCRYPTION_SECRET"
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echo "$GENERATED_ENCRYPTION_SECRET" > "$ENCRYPTION_SECRET_FILE"
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chmod 600 "$ENCRYPTION_SECRET_FILE"
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echo "✅ ENCRYPTION_SECRET generated and saved to $ENCRYPTION_SECRET_FILE"
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fi
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fi
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# === DATABASE INITIALIZATION ===
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DB_PATH=$(echo "$DATABASE_URL" | ${pkgs.gnused}/bin/sed 's|^file:||')
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if [ ! -f "$DB_PATH" ]; then
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echo "Database not found. It will be created and initialized via Drizzle migrations on first app startup..."
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touch "$DB_PATH"
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else
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echo "Database already exists, Drizzle will check for pending migrations on startup..."
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fi
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# === STARTUP SCRIPTS ===
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# Initialize configuration from environment variables
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echo "Checking for environment configuration..."
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if [ -f "scripts/startup-env-config.ts" ]; then
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echo "Loading configuration from environment variables..."
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${pkgs.bun}/bin/bun scripts/startup-env-config.ts && \
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echo "✅ Environment configuration loaded successfully" || \
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echo "⚠️ Environment configuration loading completed with warnings"
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fi
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# Run startup recovery
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echo "Running startup recovery..."
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if [ -f "scripts/startup-recovery.ts" ]; then
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${pkgs.bun}/bin/bun scripts/startup-recovery.ts --timeout=30000 && \
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echo "✅ Startup recovery completed successfully" || \
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echo "⚠️ Startup recovery completed with warnings"
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fi
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# Run repository status repair
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echo "Running repository status repair..."
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if [ -f "scripts/repair-mirrored-repos.ts" ]; then
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${pkgs.bun}/bin/bun scripts/repair-mirrored-repos.ts --startup && \
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echo "✅ Repository status repair completed successfully" || \
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echo "⚠️ Repository status repair completed with warnings"
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fi
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# === SIGNAL HANDLING ===
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shutdown_handler() {
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echo "🛑 Received shutdown signal, forwarding to application..."
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if [ ! -z "$APP_PID" ]; then
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kill -TERM "$APP_PID" 2>/dev/null || true
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wait "$APP_PID" 2>/dev/null || true
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fi
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exit 0
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}
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trap 'shutdown_handler' TERM INT HUP
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# === START APPLICATION ===
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echo "Starting Gitea Mirror..."
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echo "Access the web interface at $BETTER_AUTH_URL"
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${pkgs.bun}/bin/bun dist/server/entry.mjs &
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APP_PID=$!
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wait "$APP_PID"
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EOF
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chmod +x $out/bin/gitea-mirror
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# Create database management helper
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cat > $out/bin/gitea-mirror-db <<'EOF'
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#!${pkgs.bash}/bin/bash
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export DATA_DIR=''${DATA_DIR:-"$HOME/.local/share/gitea-mirror"}
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mkdir -p "$DATA_DIR"
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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cd "$SCRIPT_DIR/../lib/gitea-mirror"
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exec ${pkgs.bun}/bin/bun scripts/manage-db.ts "$@"
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EOF
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chmod +x $out/bin/gitea-mirror-db
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runHook postInstall
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'';
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meta = with pkgs.lib; {
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description = "Self-hosted GitHub to Gitea mirroring service";
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homepage = "https://github.com/RayLabsHQ/gitea-mirror";
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license = licenses.mit;
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maintainers = [ ];
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platforms = platforms.linux ++ platforms.darwin;
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};
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};
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in
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{
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packages = {
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default = gitea-mirror;
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gitea-mirror = gitea-mirror;
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};
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# Development shell
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devShells.default = pkgs.mkShell {
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buildInputs = with pkgs; [
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bun
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sqlite
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openssl
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b2n
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];
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shellHook = ''
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echo "🚀 Gitea Mirror development environment"
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echo ""
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echo "Quick start:"
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echo " bun install # Install dependencies"
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echo " bun run dev # Start development server"
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echo " bun run build # Build for production"
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echo ""
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echo "Nix packaging:"
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echo " bun2nix -o bun.nix # Regenerate bun.nix after dependency changes"
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echo " nix build # Build the package"
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echo ""
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echo "Database:"
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echo " bun run manage-db init # Initialize database"
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echo " bun run db:studio # Open Drizzle Studio"
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'';
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};
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}
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)) // {
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nixosModules.default = { config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.gitea-mirror;
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in {
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options.services.gitea-mirror = {
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enable = mkEnableOption "Gitea Mirror service";
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package = mkOption {
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type = types.package;
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default = self.packages.${pkgs.system}.default;
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description = "The Gitea Mirror package to use";
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};
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/gitea-mirror";
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description = "Directory to store data and database";
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};
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user = mkOption {
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type = types.str;
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default = "gitea-mirror";
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description = "User account under which Gitea Mirror runs";
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};
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group = mkOption {
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type = types.str;
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default = "gitea-mirror";
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description = "Group under which Gitea Mirror runs";
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};
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host = mkOption {
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type = types.str;
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default = "0.0.0.0";
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description = "Host to bind to";
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};
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port = mkOption {
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type = types.port;
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default = 4321;
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description = "Port to listen on";
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};
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betterAuthUrl = mkOption {
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type = types.str;
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default = "http://localhost:4321";
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description = "Better Auth URL (external URL of the service)";
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};
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betterAuthTrustedOrigins = mkOption {
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type = types.str;
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default = "http://localhost:4321";
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description = "Comma-separated list of trusted origins for Better Auth";
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};
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mirrorIssueConcurrency = mkOption {
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type = types.int;
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default = 3;
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description = "Number of concurrent issue mirror operations (set to 1 for perfect ordering)";
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};
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mirrorPullRequestConcurrency = mkOption {
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type = types.int;
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default = 5;
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description = "Number of concurrent PR mirror operations (set to 1 for perfect ordering)";
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};
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environmentFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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Path to file containing environment variables.
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Only needed if you want to set BETTER_AUTH_SECRET or ENCRYPTION_SECRET manually.
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Otherwise, secrets will be auto-generated and stored in the data directory.
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Example:
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BETTER_AUTH_SECRET=your-32-character-secret-here
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ENCRYPTION_SECRET=your-encryption-secret-here
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'';
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = "Open the firewall for the specified port";
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};
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};
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config = mkIf cfg.enable {
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users.users.${cfg.user} = {
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isSystemUser = true;
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group = cfg.group;
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home = cfg.dataDir;
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createHome = true;
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};
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users.groups.${cfg.group} = {};
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systemd.services.gitea-mirror = {
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description = "Gitea Mirror - GitHub to Gitea mirroring service";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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environment = {
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DATA_DIR = cfg.dataDir;
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DATABASE_URL = "file:${cfg.dataDir}/gitea-mirror.db";
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HOST = cfg.host;
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PORT = toString cfg.port;
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NODE_ENV = "production";
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BETTER_AUTH_URL = cfg.betterAuthUrl;
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BETTER_AUTH_TRUSTED_ORIGINS = cfg.betterAuthTrustedOrigins;
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PUBLIC_BETTER_AUTH_URL = cfg.betterAuthUrl;
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MIRROR_ISSUE_CONCURRENCY = toString cfg.mirrorIssueConcurrency;
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MIRROR_PULL_REQUEST_CONCURRENCY = toString cfg.mirrorPullRequestConcurrency;
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};
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serviceConfig = {
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Type = "simple";
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User = cfg.user;
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Group = cfg.group;
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ExecStart = "${cfg.package}/bin/gitea-mirror";
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Restart = "always";
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RestartSec = "10s";
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# Security hardening
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NoNewPrivileges = true;
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PrivateTmp = true;
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ProtectSystem = "strict";
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ProtectHome = true;
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ReadWritePaths = [ cfg.dataDir ];
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# Graceful shutdown
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TimeoutStopSec = "30s";
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KillMode = "mixed";
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KillSignal = "SIGTERM";
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} // optionalAttrs (cfg.environmentFile != null) {
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EnvironmentFile = cfg.environmentFile;
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};
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};
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# Health check timer (optional monitoring)
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systemd.timers.gitea-mirror-healthcheck = {
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description = "Gitea Mirror health check timer";
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnBootSec = "5min";
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OnUnitActiveSec = "5min";
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};
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};
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systemd.services.gitea-mirror-healthcheck = {
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description = "Gitea Mirror health check";
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after = [ "gitea-mirror.service" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.curl}/bin/curl -f http://127.0.0.1:${toString cfg.port}/api/health || true'";
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User = "nobody";
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};
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};
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networking.firewall = mkIf cfg.openFirewall {
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allowedTCPPorts = [ cfg.port ];
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};
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};
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};
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# Overlay for adding to nixpkgs
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overlays.default = final: prev: {
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gitea-mirror = self.packages.${final.system}.default;
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};
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};
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}
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