fastlane.swift cannot find 'ENV' in scope

user_3579198 0
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I am new to fastlane, trying to read environment variable in fastfile.swift which has following

import Foundation

class Fastfile: LaneFile {
    .
    .
    .

    func createRCBuildLane() {
        beforeAll()
        ensureGitBranch(branch: "qa")
        let commitMessage = "RC_Build_Version_" + getVersionNumber(target: "Example App") + "_Build_" + getBuildNumber()
        addGitTag(buildNumber: .userDefined(commitMessage), force: true)
        pushGitTags(force: true)
        createPullRequest(apiToken: "*****", repo: "Example/iOS_ble_client", title: commitMessage, base: "master")
        slackMessage(withMessage: "Example App RC Release:\n" + commitMessage)
    }

    .
    .
    .

    func beforeAll() {
//        updateFastlane()
    }

    func matchDevelopmentCertificateLane() {
        match(type: "development")
    }

    func matchAdHocCertificateLane() {
        match(type: "adhoc")
    }

    func matchDistributionCertificateLane() {
        match()
    }

    func slackMessage(withMessage message: String) {
        slack(
            message: .userDefined(message),
            channel: "#example-ios",
            slackUrl: "https://hooks.slack.com/services/###/###/###",
            payload: ["Version:": getVersionNumber(target: "Example App"), "Build:": getBuildNumber()],
            success: true
        )
    }
}

I want to pass apiToken via ENV and not to hardcode it. can anyone point me to right direction here ?

I tried

    func createRCBuildLane() {
        beforeAll()
        ensureGitBranch(branch: "qa")
        let commitMessage = "RC_Build_Version_" + getVersionNumber(target: "Example App") + "_Build_" + getBuildNumber()
        addGitTag(buildNumber: .userDefined(commitMessage), force: true)
        pushGitTags(force: true)
        createPullRequest(apiToken: ENV["API_TOKEN"], repo: "Example/iOS_ble_client", title: commitMessage, base: "master")
        slackMessage(withMessage: "Example App RC Release:\n" + commitMessage)
    }

but getting this error Fastfile.swift:37:37: cannot find 'ENV' in scope

fastlane.swift fastlane swift ios
2 Answers

To access to environment variables in swift you should use ProcessInfo. For instance, there is a sample code in Fastfile.swift:

class Fastfile: LaneFile {
    
    func testLane() {
        desc("Description of what the lane does")
        
        if let apiToken = ProcessInfo.processInfo.environment["API_TOKEN"] {
            NSLog("API TOKEN: \(apiToken)")
        }
        else {
            NSLog("Error: No token.")
        }
    }
}

Now you can set the environment variable and run your lane:

$ export API_TOKEN='CACD1B9D-56AA-41F0-BDE3-457DDA30A8D4'
$ fastlane testLane

Outputs:

...
[13:56:58]: $ ./FastlaneRunner lane testLane swiftServerPort 2000 > /dev/null
[13:56:59]: ▸ 2022-05-31 13:56:59.494 FastlaneRunner[34213:828339] API TOKEN: CACD1B9D-56AA-41F0-BDE3-457DDA30A8D4
[13:56:59]: fastlane.tools finished successfully
user_9799860

check that there is a .env hidden file in the fastlane folder of the project. The .env is the environment variable of the configured project instead of the system environment variable. If API_TOKEN is in the .env,there is no problem with the configuration, you can see if the specified environment variable value can be obtained in the Applefile

user_59280690
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