opedge opedge - 1 year ago 288
Objective-C Question

Add run script build phase to Xcode project from podspec

I'm trying to write Cocoapods specification for my library which must modify Xcode project and add "Run Script Build Phase" to project's target. I thought I can use post_install hook.
But "pod spec lint" says that this hook is deprecated:

- WARN | [iOS] The post install hook of the specification DSL has been deprecated, use the `resource_bundles` or the `prepare_command` attributes.

I have no idea how I can replace post_install hook with *resource_bundles* or *prepare_command*.
Who knows any other approach to solve my problem? Is it possible?

And another problem is how to modify Xcode project to add build phase, but it is actual only when "post_hook problem" is solved.

Answer Source

Use the Xcodeproj ruby gem (which is part of Cocoapods) to write a script that modifies your Xcode project.

You then call this script using the prepare_command.

require 'xcodeproj'
path_to_project = "${SOURCE_ROOT}/${PROJECT_NAME}.xcodeproj"
project = Xcodeproj::Project.open(path_to_project)
main_target = project.targets.first
phase = main_target.new_shell_script_build_phase("Name of your Phase")
phase.shell_script = "do sth with ${CONFIGURATION_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/your.file"

Documentation: http://rubydoc.info/gems/xcodeproj/frames

You can get a list of build setting variables and their values by running…

xcodebuild -project [ProjectName].xcodeproj -target "[TargetName]" -showBuildSettings

UPDATE: A few things have changed since this answer was written. The issue of accessing environment variables is currently being discussed here: https://github.com/CocoaPods/CocoaPods/issues/2115

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