TypeScript task.exist函数代码示例

		coreApi.restClient.get(packageUrl, ApiVersion, null, { responseIsCollection: false }, async function (error, status, result) {
			if (!!error && status != 200) {
				reject(tl.loc("FailedToGetPackageMetadata", error));
			}

			var packageType = result.protocolType.toLowerCase();
			var packageName = result.name;

			if (packageType == "nuget") {
				var downloadUrl = await getDownloadUrl(coreApi.vsoClient, feedId, packageName, version);
				
				if (!tl.exist(downloadPath)) {
					tl.mkdirP(downloadPath);
				}

				var zipLocation = path.resolve(downloadPath, "/../", packageName) + ".zip";
				var unzipLocation = path.join(downloadPath, "");

				console.log(tl.loc("StartingDownloadOfPackage", packageName, zipLocation));
				await downloadNugetPackage(coreApi, downloadUrl, zipLocation);
				console.log(tl.loc("ExtractingNugetPackage", packageName, unzipLocation));
				await unzip(zipLocation, unzipLocation);
				
				if (tl.exist(zipLocation)) {
					tl.rmRF(zipLocation, false);
				}

				resolve();
			}
			else {
				reject(tl.loc("PackageTypeNotSupported"));
			}
		});

    public isVersionInstalled(version: string): boolean {
        if (!toolLib.isExplicitVersion(version)) {
            throw tl.loc("ExplicitVersionRequired", version);
        }

        var isInstalled: boolean = false;
        if (this.packageType == utils.Constants.sdk) {
            isInstalled = tl.exist(path.join(this.installationPath, utils.Constants.relativeSdkPath, version)) && tl.exist(path.join(this.installationPath, utils.Constants.relativeSdkPath, `${version}.complete`));
        }
        else {
            isInstalled = tl.exist(path.join(this.installationPath, utils.Constants.relativeRuntimePath, version)) && tl.exist(path.join(this.installationPath, utils.Constants.relativeRuntimePath, `${version}.complete`));
        }

        isInstalled ? console.log(tl.loc("VersionFoundInCache", version)) : console.log(tl.loc("VersionNotFoundInCache", version));
        return isInstalled;
    }

    private isLatestInstalledVersion(version: string): boolean {
        var pathTobeChecked = this.packageType == utils.Constants.sdk ? path.join(this.installationPath, utils.Constants.relativeSdkPath) : path.join(this.installationPath, utils.Constants.relativeRuntimePath);
        if (!tl.exist(pathTobeChecked)) {
            throw tl.loc("PathNotFoundException", pathTobeChecked);
        }

        var allEnteries: string[] = tl.ls("", [pathTobeChecked]).map(name => path.join(pathTobeChecked, name));
        var folderPaths: string[] = allEnteries.filter(element => fs.lstatSync(element).isDirectory());
        var isLatest: boolean = folderPaths.findIndex(folderPath => {
            try {
                let versionFolderName = path.basename(folderPath);
                tl.debug(tl.loc("ComparingInstalledFolderVersions", version, versionFolderName));
                return utils.versionCompareFunction(versionFolderName, version) > 0;
            }
            catch (ex) {
                // no op, folder name might not be in version format
            }
        }) < 0;

        var filePaths: string[] = allEnteries.filter(element => !fs.lstatSync(element).isDirectory());
        isLatest = isLatest && filePaths.findIndex(filePath => {
            try {
                var versionCompleteFileName = this.getVersionCompleteFileName(path.basename(filePath));
                tl.debug(tl.loc("ComparingInstalledFileVersions", version, versionCompleteFileName));
                return utils.versionCompareFunction(versionCompleteFileName, version) > 0
            }
            catch (ex) {
                // no op, file name might not be in version format
            }
        }) < 0;

        isLatest ? tl.debug(tl.loc("VersionIsLocalLatest", version, this.installationPath)) : tl.debug(tl.loc("VersionIsNotLocalLatest", version, this.installationPath));
        return isLatest;
    }

export function saveFileWithName(file: string, name: string, filePath: string): void {
    if (file && tl.exist(file)) {
        let destination = path.join(filePath, name + '.npmrc');
        tl.debug(tl.loc('SavingFile', file));
        copyFile(file, destination);
    }
}

 /**
  * Delete secure file from the temporary location for the build
  * @param secureFileId
  */
 deleteSecureFile(secureFileId: string): void {
     const tempDownloadPath: string = this.getSecureFileTempDownloadPath(secureFileId);
     if (tl.exist(tempDownloadPath)) {
         tl.debug('Deleting secure file at: ' + tempDownloadPath);
         tl.rmRF(tempDownloadPath);
     }
 }

export function run(connection: ContainerConnection, outputUpdate: (data: string) => any, ignoreArguments?: boolean): any {
    let commandArguments = ignoreArguments ? "" : tl.getInput("arguments");

    // get tags input
    let tags = tl.getDelimitedInput("tags", "\n");

    // get qualified image name from the containerRegistry input
    let repositoryName = tl.getInput("repository");
    let imageNames: string[] = [];
    // if container registry is provided, use that
    // else, use the currently logged in registries
    if (tl.getInput("containerRegistry")) {
        let imageName = connection.getQualifiedImageName(repositoryName);
        if (imageName) {
            imageNames.push(imageName);
        }
    }
    else {
        imageNames = connection.getQualifiedImageNamesFromConfig(repositoryName);
    }

    const dockerfilepath = tl.getInput("dockerFile", true);
    const dockerFile = findDockerFile(dockerfilepath);
    if (!tl.exist(dockerFile)) {
        throw new Error(tl.loc('ContainerDockerFileNotFound', dockerfilepath));
    }

    // push all tags
    let output = "";
    let outputImageName = "";
    let digest = "";
    let imageSize = "";
    let promise = pushMultipleImages(connection, imageNames, tags, commandArguments, (image, commandOutput) => {
        output += commandOutput;
        outputImageName = image;
        let extractedResult = extractDigestAndSizeFromOutput(commandOutput, matchPatternForDigestAndSize);
        digest = extractedResult[0];
        imageSize = extractedResult[1];
        tl.debug("outputImageName: " + outputImageName + "\n" + "commandOutput: " + commandOutput + "\n" + "digest:" + digest + "imageSize:" + imageSize);
        publishToImageMetadataStore(connection, outputImageName, tags, digest, dockerFile, imageSize).then((result) => {
            tl.debug("ImageDetailsApiResponse: " + result);
        }, (error) => {
            tl.warning("publishToImageMetadataStore failed with error: " + error);
        });
    });

    if (promise) {
        promise = promise.then(() => {
            let taskOutputPath = utils.writeTaskOutput("push", output);
            outputUpdate(taskOutputPath);
        });
    }
    else {
        tl.debug(tl.loc('NotPushingAsNoLoginFound'));
        promise = Q.resolve(null);
    }

    return promise;
}

export function run(connection: ContainerConnection): any {
    var command = connection.createCommand();
    command.arg("build");

    var dockerfilepath = tl.getInput("dockerFile", true);
    var dockerFile = findDockerFile(dockerfilepath);
    
    if(!tl.exist(dockerFile)) {
        throw new Error(tl.loc('ContainerDockerFileNotFound', dockerfilepath));
    }

    command.arg(["-f", dockerFile]);

    tl.getDelimitedInput("buildArguments", "\n").forEach(buildArgument => {
        command.arg(["--build-arg", buildArgument]);
    });

    var imageName = utils.getImageName(); 
    var qualifyImageName = tl.getBoolInput("qualifyImageName");
    if (qualifyImageName) {
        imageName = connection.qualifyImageName(imageName);
    }
    command.arg(["-t", imageName]);

    var baseImageName = imageUtils.imageNameWithoutTag(imageName);

    tl.getDelimitedInput("additionalImageTags", "\n").forEach(tag => {
        command.arg(["-t", baseImageName + ":" + tag]);
    });

    var includeSourceTags = tl.getBoolInput("includeSourceTags");
    if (includeSourceTags) {
        sourceUtils.getSourceTags().forEach(tag => {
            command.arg(["-t", baseImageName + ":" + tag]);
        });
    }

    var includeLatestTag = tl.getBoolInput("includeLatestTag");
    if (baseImageName !== imageName && includeLatestTag) {
        command.arg(["-t", baseImageName]);
    }

    var memory = tl.getInput("memory");
    if (memory) {
        command.arg(["-m", memory]);
    }

    var context: string;
    var defaultContext = tl.getBoolInput("defaultContext");
    if (defaultContext) {
        context = path.dirname(dockerFile);
    } else {
        context = tl.getPathInput("context");
    }
    command.arg(context);
    return connection.execCommand(command);
}

export function run(connection: ContainerConnection): any {
    var command = connection.createCommand();
    command.arg("build");

    var dockerfilepath = tl.getInput("dockerFile", true);
    let dockerFile = fileUtils.findDockerFile(dockerfilepath);
    
    if(!tl.exist(dockerFile)) {
        throw new Error(tl.loc('ContainerDockerFileNotFound', dockerfilepath));
    }

    command.arg(["-f", dockerFile]);

    var addDefaultLabels = tl.getBoolInput("addDefaultLabels");
    if (addDefaultLabels) {        
        pipelineUtils.addDefaultLabelArgs(command);
    }

    var commandArguments = tl.getInput("arguments", false); 
    command.line(commandArguments);
    
    var imageName = utils.getImageName(); 
    var qualifyImageName = tl.getBoolInput("qualifyImageName");
    if (qualifyImageName) {
        imageName = connection.getQualifiedImageNameIfRequired(imageName);
    }
    command.arg(["-t", tl.getBoolInput("enforceDockerNamingConvention") ? imageUtils.generateValidImageName(imageName) : imageName]);

    var baseImageName = imageUtils.imageNameWithoutTag(imageName);

    var includeSourceTags = tl.getBoolInput("includeSourceTags");
    if (includeSourceTags) {
        sourceUtils.getSourceTags().forEach(tag => {
            command.arg(["-t", baseImageName + ":" + tag]);
        });
    }

    var includeLatestTag = tl.getBoolInput("includeLatestTag");
    if (baseImageName !== imageName && includeLatestTag) {
        command.arg(["-t", baseImageName]);
    }

    var memoryLimit = tl.getInput("memoryLimit");
    if (memoryLimit) {
        command.arg(["-m", memoryLimit]);
    }

    var context: string;
    var useDefaultContext = tl.getBoolInput("useDefaultContext");
    if (useDefaultContext) {
        context = path.dirname(dockerFile);
    } else {
        context = tl.getPathInput("buildContext");
    }
    command.arg(context);
    return connection.execCommand(command);
}

 this.additionalDockerComposeFiles.forEach(file => {
     // If the path is relative, resolve it
     if (file.indexOf("/") !== 0) {
         file = path.join(basePath, file);
     }
     if (this.requireAdditionalDockerComposeFiles || tl.exist(file)) {
         command.arg(["-f", file]);
     }
 });

function findGlobalBower(): string {
    let bowerPath = tl.which("bower", false);

    tl.debug(`checking path: ${bowerPath}`);
    if (tl.exist(bowerPath)) {
        return bowerPath;
    }

    const
        globalPrefix = getNPMPrefix(),
        isWin = process.platform.indexOf("win") === 0;

    bowerPath = path.join(globalPrefix, "bower" + (isWin ? ".cmd" : ""));

    tl.debug(`checking path: ${bowerPath}`);
    if (tl.exist(bowerPath)) {
        return bowerPath;
    }
}