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{"version":3,"sources":["../src/inputs.ts","../src/nix.ts","../src/index.ts"],"sourcesContent":["// Helper function for nullable input fields into an array of strings\nexport function determineFlakeDirectories(input: string): string[] {\n const sepChar = /\\s+/;\n const trimmed = input.trim();\n if (trimmed === \"\") {\n return [];\n } else {\n return trimmed.split(sepChar).map((s: string) => s.trim());\n }\n}\n","// Build the Nix args out of inputs from the Actions environment\nexport function makeNixCommandArgs(\n nixOptions: string[],\n flakeInputs: string[],\n commitMessage: string,\n): string[] {\n const flakeInputFlags = flakeInputs.flatMap((input) => [\n \"--update-input\",\n input,\n ]);\n\n const updateLockMechanism = flakeInputFlags.length === 0 ? \"update\" : \"lock\";\n\n return nixOptions\n .concat([\"flake\", updateLockMechanism])\n .concat(flakeInputFlags)\n .concat([\"--commit-lock-file\", \"--commit-lockfile-summary\", commitMessage]);\n}\n","import { determineFlakeDirectories } from \"./inputs.js\";\nimport { makeNixCommandArgs } from \"./nix.js\";\nimport * as actionsCore from \"@actions/core\";\nimport * as actionsExec from \"@actions/exec\";\nimport { DetSysAction, inputs } from \"detsys-ts\";\nimport * as fs from \"fs\";\n\nconst EVENT_EXECUTION_FAILURE = \"execution_failure\";\n\nclass UpdateFlakeLockAction extends DetSysAction {\n private commitMessage: string;\n private nixOptions: string[];\n private flakeInputs: string[];\n private pathToFlakeDir: string | null;\n private flakeDirs: string[] | null;\n\n constructor() {\n super({\n name: \"update-flake-lock\",\n fetchStyle: \"universal\",\n requireNix: \"fail\",\n });\n\n this.commitMessage = inputs.getString(\"commit-msg\");\n this.flakeInputs = inputs.getArrayOfStrings(\"inputs\", \"space\");\n this.nixOptions = inputs.getArrayOfStrings(\"nix-options\", \"space\");\n this.pathToFlakeDir = inputs.getStringOrNull(\"path-to-flake-dir\");\n\n const flakeDirsInput = inputs.getStringOrNull(\"flake-dirs\");\n if (flakeDirsInput !== null) {\n this.flakeDirs = determineFlakeDirectories(flakeDirsInput);\n } else {\n this.flakeDirs = null;\n }\n\n this.validateInputs();\n }\n\n async main(): Promise<void> {\n await this.updateFlakeLock();\n }\n\n // No post phase\n async post(): Promise<void> {}\n\n async updateFlakeLock(): Promise<void> {\n if (this.flakeDirs !== null && this.flakeDirs.length > 0) {\n actionsCore.debug(\n `Running flake lock update in multiple directories: ${this.flakeDirs.map((dir) => `\\`${dir}\\``).join(\" \")}`,\n );\n\n for (const directory of this.flakeDirs) {\n await this.updateFlakeInDirectory(directory);\n }\n } else {\n // Set directory to root if not specified\n const flakeDir = this.pathToFlakeDir ?? \".\";\n await this.updateFlakeInDirectory(flakeDir);\n }\n }\n\n private async updateFlakeInDirectory(flakeDir: string): Promise<void> {\n this.ensureDirectoryExists(flakeDir);\n this.ensureDirectoryIsFlake(flakeDir);\n\n actionsCore.debug(`Running flake lock update in directory \\`${flakeDir}\\``);\n\n // Nix command of this form:\n // nix ${maybe nix options} flake ${\"update\" or \"lock\"} ${maybe --update-input flags} --commit-lock-file --commit-lockfile-summary ${commit message}\n // Example commands:\n // nix --extra-substituters https://example.com flake lock --update-input nixpkgs --commit-lock-file --commit-lockfile-summary \"updated flake.lock\"\n // nix flake update --commit-lock-file --commit-lockfile-summary \"updated flake.lock\"\n const nixCommandArgs: string[] = makeNixCommandArgs(\n this.nixOptions,\n this.flakeInputs,\n this.commitMessage,\n );\n\n actionsCore.debug(\n JSON.stringify({\n directory: flakeDir,\n options: this.nixOptions,\n inputs: this.flakeInputs,\n message: this.commitMessage,\n args: nixCommandArgs,\n }),\n );\n\n const execOptions: actionsExec.ExecOptions = {\n cwd: flakeDir,\n };\n\n const exitCode = await actionsExec.exec(\"nix\", nixCommandArgs, execOptions);\n\n if (exitCode !== 0) {\n this.recordEvent(EVENT_EXECUTION_FAILURE, {\n exitCode,\n });\n actionsCore.setFailed(\n `non-zero exit code of ${exitCode} detected while updating directory \\`${flakeDir}\\``,\n );\n } else {\n actionsCore.info(\n `flake.lock file in \\`${flakeDir}\\` was successfully updated`,\n );\n }\n }\n\n private validateInputs(): void {\n // Ensure that either `path-to-flake-dir` or `flake-dirs` is set to a meaningful value but not both\n if (\n this.flakeDirs !== null &&\n this.flakeDirs.length > 0 &&\n this.pathToFlakeDir !== null &&\n this.pathToFlakeDir !== \"\"\n ) {\n throw new Error(\n \"Both `path-to-flake-dir` and `flake-dirs` are set, whereas only one can be\",\n );\n }\n\n // Ensure that `flake-dirs` isn't an empty array if set\n if (this.flakeDirs !== null && this.flakeDirs.length === 0) {\n throw new Error(\n \"The `flake-dirs` input is set to an empty array; 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