Class: FastlaneCore::CommandExecutor
- Inherits:
-
Object
- Object
- FastlaneCore::CommandExecutor
- Defined in:
- fastlane_core/lib/fastlane_core/command_executor.rb
Overview
Executes commands and takes care of error handling and more
Class Method Summary collapse
-
.execute(command: nil, print_all: false, print_command: true, error: nil, prefix: nil, loading: nil) ⇒ String
All the output as string.
-
.which(cmd) ⇒ Object
Cross-platform way of finding an executable in the $PATH.
Class Method Details
.execute(command: nil, print_all: false, print_command: true, error: nil, prefix: nil, loading: nil) ⇒ String
Returns All the output as string.
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# File 'fastlane_core/lib/fastlane_core/command_executor.rb', line 38 def execute(command: nil, print_all: false, print_command: true, error: nil, prefix: nil, loading: nil) print_all = true if FastlaneCore::Globals.verbose? prefix ||= {} output = [] command = command.join(" ") if command.kind_of?(Array) UI.command(command) if print_command if print_all && loading # this is only used to show the "Loading text"... UI.command_output(loading) end begin FastlaneCore::FastlanePty.spawn(command) do |command_stdout, command_stdin, pid| begin command_stdout.each do |l| line = l.strip # strip so that \n gets removed output << line next unless print_all # Prefix the current line with a string prefix.each do |element| line = element[:prefix] + line if element[:block] && element[:block].call(line) end UI.command_output(line) end rescue Errno::EIO # This is expected on some linux systems, that indicates that the subcommand finished # and we kept trying to read, ignore it ensure Process.wait(pid) end end rescue => ex # This could happen when the environment is wrong: # > invalid byte sequence in US-ASCII (ArgumentError) output << ex.to_s o = output.join("\n") puts(o) if error error.call(o, nil) else raise ex end end # Exit status for build command, should be 0 if build succeeded status = $?.exitstatus if status != 0 o = output.join("\n") puts(o) # the user has the right to see the raw output UI.error("Exit status: #{status}") if error error.call(o, status) else UI.user_error!("Exit status: #{status}") end end return output.join("\n") end |
.which(cmd) ⇒ Object
Cross-platform way of finding an executable in the $PATH. Respects the $PATHEXT, which lists valid file extensions for executables on Windows.
which('ruby') #=> /usr/bin/ruby
Derived from stackoverflow.com/a/5471032/3005
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# File 'fastlane_core/lib/fastlane_core/command_executor.rb', line 15 def which(cmd) # PATHEXT contains the list of file extensions that Windows considers executable, semicolon separated. # e.g. ".COM;.EXE;.BAT;.CMD" exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : [] exts << '' # Always have an empty string (= no file extension) ENV['PATH'].split(File::PATH_SEPARATOR).each do |path| exts.each do |ext| cmd_path = File.join(path, "#{cmd}#{ext}") return cmd_path if Helper.executable?(cmd_path) end end return nil end |