{"version":3,"sources":["../src/helpers.ts","../src/index.ts"],"sourcesContent":["import * as actionsCore from \"@actions/core\";\nimport * as fs from \"node:fs/promises\";\nimport * as os from \"node:os\";\nimport path from \"node:path\";\nimport { Tail } from \"tail\";\n\nexport function tailLog(daemonDir: string): Tail {\n const log = new Tail(path.join(daemonDir, \"daemon.log\"));\n actionsCore.debug(`tailing daemon.log...`);\n log.on(\"line\", (line) => {\n actionsCore.info(line);\n });\n return log;\n}\n\nexport async function netrcPath(): Promise<string> {\n const expectedNetrcPath = path.join(\n process.env[\"RUNNER_TEMP\"] || os.tmpdir(),\n \"determinate-nix-installer-netrc\",\n );\n try {\n await fs.access(expectedNetrcPath);\n return expectedNetrcPath;\n } catch {\n // `nix-installer` was not used, the user may be registered with FlakeHub though.\n const destinedNetrcPath = path.join(\n process.env[\"RUNNER_TEMP\"] || os.tmpdir(),\n \"magic-nix-cache-netrc\",\n );\n try {\n await flakeHubLogin(destinedNetrcPath);\n } catch (e) {\n actionsCore.info(\"FlakeHub cache disabled.\");\n actionsCore.debug(`Error while logging into FlakeHub: ${e}`);\n }\n return destinedNetrcPath;\n }\n}\n\nasync function flakeHubLogin(netrc: string): Promise<void> {\n const jwt = await actionsCore.getIDToken(\"api.flakehub.com\");\n\n await fs.writeFile(\n netrc,\n [\n `machine api.flakehub.com login flakehub password ${jwt}`,\n `machine flakehub.com login flakehub password ${jwt}`,\n `machine cache.flakehub.com login flakehub password ${jwt}`,\n ].join(\"\\n\"),\n );\n\n actionsCore.info(\"Logged in to FlakeHub.\");\n}\n","import { netrcPath, tailLog } from \"./helpers.js\";\nimport * as actionsCore from \"@actions/core\";\nimport { DetSysAction, inputs, stringifyError } from \"detsys-ts\";\nimport got, { Got, Response } from \"got\";\nimport * as http from \"http\";\nimport { SpawnOptions, spawn } from \"node:child_process\";\nimport { mkdirSync, openSync, readFileSync } from \"node:fs\";\nimport * as fs from \"node:fs/promises\";\nimport * as path from \"node:path\";\n\n// The ENV_DAEMON_DIR is intended to determine if we \"own\" the daemon or not,\n// in the case that a user has put the magic nix cache into their workflow\n// twice.\nconst ENV_DAEMON_DIR = \"MAGIC_NIX_CACHE_DAEMONDIR\";\n\nconst FACT_ENV_VARS_PRESENT = \"required_env_vars_present\";\nconst FACT_DIFF_STORE_ENABLED = \"diff_store\";\nconst FACT_ALREADY_RUNNING = \"noop_mode\";\n\nconst STATE_DAEMONDIR = \"MAGIC_NIX_CACHE_DAEMONDIR\";\nconst STATE_ERROR_IN_MAIN = \"ERROR_IN_MAIN\";\nconst STATE_STARTED = \"MAGIC_NIX_CACHE_STARTED\";\nconst STARTED_HINT = \"true\";\n\nconst TEXT_ALREADY_RUNNING =\n \"Magic Nix Cache is already running, this workflow job is in noop mode. Is the Magic Nix Cache in the workflow twice?\";\nconst TEXT_TRUST_UNTRUSTED =\n \"The Nix daemon does not consider the user running this workflow to be trusted. Magic Nix Cache is disabled.\";\nconst TEXT_TRUST_UNKNOWN =\n \"The Nix daemon may not consider the user running this workflow to be trusted. Magic Nix Cache may not start correctly.\";\n\nclass MagicNixCacheAction extends DetSysAction {\n private hostAndPort: string;\n private diffStore: boolean;\n private httpClient: Got;\n private daemonDir: string;\n private daemonStarted: boolean;\n\n // This is set to `true` if the MNC is already running, in which case the\n // workflow will use the existing process rather than starting a new one.\n private alreadyRunning: boolean;\n\n constructor() {\n super({\n name: \"magic-nix-cache\",\n fetchStyle: \"gh-env-style\",\n idsProjectName: \"magic-nix-cache-closure\",\n requireNix: \"warn\",\n diagnosticsSuffix: \"perf\",\n });\n\n this.hostAndPort = inputs.getString(\"listen\");\n this.diffStore = inputs.getBool(\"diff-store\");\n\n this.addFact(FACT_DIFF_STORE_ENABLED, this.diffStore);\n\n this.httpClient = got.extend({\n retry: {\n limit:
