setup agent runtime requirements (#7)

scripts/lib/runtime-env.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+compose_file="$repo_root/infra/docker/compose.dev.yml"
+default_env_file="$repo_root/.env.agent"
+env_file="${BETTERNAS_ENV_FILE:-$default_env_file}"
+
+if [[ -f "$env_file" ]]; then
+  set -a
+  # shellcheck disable=SC1090
+  source "$env_file"
+  set +a
+fi
+
+: "${BETTERNAS_CLONE_NAME:=betternas-main}"
+: "${COMPOSE_PROJECT_NAME:=betternas-${BETTERNAS_CLONE_NAME}}"
+: "${BETTERNAS_CONTROL_PLANE_PORT:=3001}"
+: "${BETTERNAS_NODE_AGENT_PORT:=3090}"
+: "${BETTERNAS_NEXTCLOUD_PORT:=8080}"
+: "${BETTERNAS_VERSION:=local-dev}"
+: "${NEXTCLOUD_ADMIN_USER:=admin}"
+: "${NEXTCLOUD_ADMIN_PASSWORD:=admin}"
+
+if [[ -z "${BETTERNAS_EXPORT_PATH:-}" ]]; then
+  BETTERNAS_EXPORT_PATH="$repo_root/.state/$BETTERNAS_CLONE_NAME/export"
+fi
+
+if [[ "$BETTERNAS_EXPORT_PATH" != /* ]]; then
+  BETTERNAS_EXPORT_PATH="$repo_root/$BETTERNAS_EXPORT_PATH"
+fi
+
+: "${BETTERNAS_NODE_DIRECT_ADDRESS:=http://localhost:${BETTERNAS_NODE_AGENT_PORT}}"
+: "${BETTERNAS_EXAMPLE_MOUNT_URL:=http://localhost:${BETTERNAS_NODE_AGENT_PORT}/dav/}"
+: "${NEXTCLOUD_BASE_URL:=http://localhost:${BETTERNAS_NEXTCLOUD_PORT}}"
+
+export repo_root
+export compose_file
+export env_file
+export BETTERNAS_CLONE_NAME
+export COMPOSE_PROJECT_NAME
+export BETTERNAS_CONTROL_PLANE_PORT
+export BETTERNAS_NODE_AGENT_PORT
+export BETTERNAS_NEXTCLOUD_PORT
+export BETTERNAS_EXPORT_PATH
+export BETTERNAS_VERSION
+export NEXTCLOUD_ADMIN_USER
+export NEXTCLOUD_ADMIN_PASSWORD
+export BETTERNAS_NODE_DIRECT_ADDRESS
+export BETTERNAS_EXAMPLE_MOUNT_URL
+export NEXTCLOUD_BASE_URL
+
+mkdir -p "$BETTERNAS_EXPORT_PATH"
+
+compose() {
+  docker compose -f "$compose_file" "$@"
+}