Cocoapods version check fails on Travis CI

[tsimbalar]

Bug report

CHECKLIST

• I have read the issue reporting guidelines

• I confirm this is a suspected bug or issue that will affect other users

• I have reproduced the issue using the example project or provided the necessary information to reproduce the issue.

• I have read the documentation thoroughly and it does not help solve my issue.

• I have checked that no similar issues (open or closed) already exist.

Current behavior:

On travis CI, when using image xcode11.5 which comes with CocoaPods v1.9.2, when running

ionic cordova platform add ios

prints the following at some point :

Failed to install 'cordova-plugin-firebasex': Error: cocoapods version is invalid - please reinstall cocoapods@^1.9.0: Resolving dependencies...

1.9.2

    at checkCocoapodsVersion (/Users/travis/build/Alpha-health/perspectives-app/plugins/cordova-plugin-firebasex/scripts/ios/before_plugin_install.js:19:15)

    at module.exports (/Users/travis/build/Alpha-health/perspectives-app/plugins/cordova-plugin-firebasex/scripts/ios/before_plugin_install.js:7:5)

    at runScriptViaModuleLoader (/Users/travis/.nvm/versions/node/v12.14.1/lib/node_modules/cordova/node_modules/cordova-lib/src/hooks/HooksRunner.js:181:32)

    at runScript (/Users/travis/.nvm/versions/node/v12.14.1/lib/node_modules/cordova/node_modules/cordova-lib/src/hooks/HooksRunner.js:157:16)

    at /Users/travis/.nvm/versions/node/v12.14.1/lib/node_modules/cordova/node_modules/cordova-lib/src/hooks/HooksRunner.js:125:20

    at processTicksAndRejections (internal/process/task_queues.js:94:5)

Failed to restore plugin "cordova-plugin-firebasex" from config.xml. You might need to try adding it again. Error: Error: cocoapods version is invalid - please reinstall cocoapods@^1.9.0: Resolving dependencies...

1.9.2

cordova-plugin-firebasex: Preparing Firebase on iOS

[ERROR] An error occurred while running subprocess cordova.

        

        cordova platform add [email protected] exited with exit code 1.

        

        Re-running this command with the --verbose flag may provide more information.

In spite of this error, though, the build carries on.

Expected behavior:

The plugin should be installed properly as 1.9.2 complies with ^1.9.0.

Steps to reproduce:

Not 100% sure if this is related to Cocoapods version or the Travis environment.

In there, running

pod --version

prints out

Resolving dependencies...
1.9.2

Screenshots

Environment information

• Cordova CLI version
  • cordova -v
• Cordova platform version
  • cordova platform ls
• Plugins & versions installed in project (including this plugin)
  • cordova plugin ls
• Dev machine OS and version, e.g.
  • OSX
    • sw_vers
  • Windows 10
    • winver

Runtime issue

• OS details
  • Building on OSX

iOS build issue:

Build language: objective-c

Build id: 175871121

Job id: 361678322

Runtime kernel version: 19.4.0

travis-build version: 01e86bea

Build image provisioning date and time

Tue May 26 19:33:34 GMT 2020

Operating System Details

ProductName:	Mac OS X

ProductVersion:	10.15.4

BuildVersion:	19E287

Git version

git version 2.26.2

bash version

GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin19)

Copyright (C) 2007 Free Software Foundation, Inc.

GCC version

Apple clang version 11.0.3 (clang-1103.0.32.62)

Target: x86_64-apple-darwin19.4.0

Thread model: posix

InstalledDir: /Applications/Xcode-11.5.GM.Seed.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

LLVM version

Apple clang version 11.0.3 (clang-1103.0.32.62)

Target: x86_64-apple-darwin19.4.0

Thread model: posix

InstalledDir: /Applications/Xcode-11.5.GM.Seed.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

Pre-installed Ruby versions

ruby-2.6.6

Pre-installed Node.js versions

v10.20.1

v12.16.3

v12.17.0

v13.14.0

v14.3.0

v4.9.1

v6.17.1

v8.17.0

mvn -version

Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)

Maven home: /usr/local/Cellar/maven/3.6.3_1/libexec

Java version: 13.0.2, vendor: N/A, runtime: /usr/local/Cellar/openjdk/13.0.2+8_2/libexec/openjdk.jdk/Contents/Home

Default locale: en_US, platform encoding: UTF-8

OS name: "mac os x", version: "10.15.4", arch: "x86_64", family: "mac"

Other information:

I believe the install fails because of the code in

cordova-plugin-firebasex/scripts/ios/before_plugin_install.js

Lines 10 to 23 in cee0c4e

	function checkCocoapodsVersion(){
	var stdout;
	try{
	stdout = execSync('pod --version', {encoding: 'utf8'}).trim();
	}catch(err){
	throw new Error("cocoapods not found - please install cocoapods >="+minCocoapodsVersion);
	}
	if(!semver.valid(stdout)){
	throw new Error("cocoapods version is invalid - please reinstall cocoapods@"+minCocoapodsVersion + ": "+stdout);
	}else if(!semver.satisfies(stdout, minCocoapodsVersion)){
	throw new Error("cocoapods version is out-of-date - please update to cocoapods@"+minCocoapodsVersion + " - current version: "+stdout);
	}
	}

That code expects the output of pod --version to be a single-line string with a version number (which seems like a valid assumption) , but it therefore fails to parse this multiline string

Resolving dependencies...
1.9.2

One option might be to be a bit more laxist, and expect the version number to be on the last line of the stdout, and just validate that part.

[tsimbalar]

Update : I could also reproduce it on a different Travis image (XCode12) which comes with Cocoapods v1.9.3 (the latest I believe)

pod --version

also prints

Resolving dependencies...
1.9.3

and therefore the build shows the same message :

Failed to install 'cordova-plugin-firebasex': Error: cocoapods version is invalid - please reinstall cocoapods@^1.9.0: Resolving dependencies...

1.9.3

    at checkCocoapodsVersion (/Users/travis/build/Alpha-health/perspectives-app/plugins/cordova-plugin-firebasex/scripts/ios/before_plugin_install.js:19:15)

    at module.exports (/Users/travis/build/Alpha-health/perspectives-app/plugins/cordova-plugin-firebasex/scripts/ios/before_plugin_install.js:7:5)

    at runScriptViaModuleLoader (/Users/travis/.nvm/versions/node/v12.14.1/lib/node_modules/cordova/node_modules/cordova-lib/src/hooks/HooksRunner.js:181:32)

    at runScript (/Users/travis/.nvm/versions/node/v12.14.1/lib/node_modules/cordova/node_modules/cordova-lib/src/hooks/HooksRunner.js:157:16)

    at /Users/travis/.nvm/versions/node/v12.14.1/lib/node_modules/cordova/node_modules/cordova-lib/src/hooks/HooksRunner.js:125:20

    at processTicksAndRejections (internal/process/task_queues.js:94:5)

Failed to restore plugin "cordova-plugin-firebasex" from config.xml. You might need to try adding it again. Error: Error: cocoapods version is invalid - please reinstall cocoapods@^1.9.0: Resolving dependencies...

1.9.3

cordova-plugin-firebasex: Preparing Firebase on iOS

[ERROR] An error occurred while running subprocess cordova.

        

        cordova platform add [email protected] exited with exit code 1.

        

        Re-running this command with the --verbose flag may provide more information.

[dpa99c]

Maybe the best approach is to use a regex to extract the version number from the stdout before comparing it with semver:
/\d+\.\d+\.\d+/