For SPM Package.resolved file, force all urls to either have/not-have a .git suffix

force_package_resolved_urls.rb

#!/usr/bin/env ruby

# Forces all SPM urls in `Package.resolved` files to either have, or not have,
# a .git suffix, based on `use_suffix`. NOTE: probably WILL rewrite your 
# `Package.resolved` files, though in predictable and semantically identical ways.
# 
# If you want to do this on only specific files, pass an array of these (full paths)
# for `against_files`.
#
def force_package_resolved(use_suffix:, against_files: nil)
    # Xcode defines $PROJECT_DIR for build scripts. Otherwise, you might need to
    # adjust this path.
    project_dir = ENV["PROJECT_DIR"] || File.realpath("#{__dir__}/../..")

    against_files ||= Dir["#{project_dir}/**/Package.resolved"]

    regex, replacement = use_suffix ?
        [/(^ *\"location\" : .*(?<!\.git))(\",$)/, '\1.git\2']:
        [/(^ *\"location\" : .*)?\.git(\",$)/, '\1\2']

    against_files.each do |file|
        original = File.read(file)
        changed = original.gsub(regex, replacement)

        File.write(file, changed) if changed != original
    end
end

if $PROGRAM_NAME == __FILE__
    force_package_resolved(use_suffix: false)
end