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[xcassets] Fail build if the JSON gem is required and unavailable.

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This commit is contained in:
Eloy Durán
2013-10-11 16:37:22 +02:00
parent dcc680b789
commit bbae733e02
1 changed files with 14 additions and 4 deletions
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18
lib/motion/project/template/ios/config.rb
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@@ -63,15 +63,25 @@ module Motion; module Project;
def app_icons_from_xcassets
unless @app_icons_from_xcassets
@app_icons_from_xcassets = []
app_icon_sets = xcassets_bundles.map { |b| Dir.glob(File.join(b, '*.appiconset')) }.flatten
if app_icon_sets.size > 1
App.warn "Found #{app_icon_sets.size} AppIcon sets across all xcasset bundles. Only the first one (alphabetically) will be used."
App.warn "Found #{app_icon_sets.size} AppIcon sets across all " \
"xcasset bundles. Only the first one (alphabetically) " \
"will be used."
end
if app_icon_set = app_icon_sets.sort.first
begin
require 'rubygems'
require 'json'
rescue LoadError
App.fail "Using application icons from Xcode asset catalogs " \
"requires the `json' gem to be installed. You can do " \
"so by typing `[sudo] gem install json' in your " \
"terminal or by adding `gem \"json\"' to your Gemfile."
end
app_icon_filename = File.basename(app_icon_set, File.extname(app_icon_set))
# TODO need to think how to solve this on stock OS X Ruby 1.8.7, which
# doesn’t come with JSON.
require 'json'
images = JSON.parse(File.read(File.join(app_icon_set, 'Contents.json')))['images']
images.each do |image|
if image_src = image['filename']