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String.undent for prettier HEREDOCs

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This commit is contained in:
Max Howell 2010-02-27 17:26:27 +00:00
parent 2652880bd9
commit 799dd7108e
3 changed files with 41 additions and 26 deletions
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51
Library/Homebrew/extend/ARGV.rb
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@ -61,36 +61,35 @@ module HomebrewArgvExtension
return false return false
end end
def usage def usage; <<-EOS.undent
<<-EOS Usage: brew command [formula] ...
Usage: brew command [formula] ... Usage: brew [--prefix] [--cache] [--version|-v]
Usage: brew [--prefix] [--cache] [--version|-v] Usage: brew [--verbose|-v]
Usage: brew [--verbose|-v]
Principle Commands: Principle Commands:
install formula ... [--ignore-dependencies] [--HEAD|-H] install formula ... [--ignore-dependencies] [--HEAD|-H]
list [--unbrewed] [formula] ... list [--unbrewed] [formula] ...
search [/regex/] [substring] search [/regex/] [substring]
uninstall formula ... uninstall formula ...
update update
Other Commands: Other Commands:
cleanup [formula] cleanup [formula]
home formula ... home formula ...
info [formula] [--github] info [formula] [--github]
link formula ... link formula ...
outdated outdated
prune prune
unlink formula ... unlink formula ...
Commands useful when contributing: Commands useful when contributing:
create URL create URL
edit [formula] edit [formula]
log formula log formula
install formula [--debug|-d] [--interactive|-i] [--verbose|-v] install formula [--debug|-d] [--interactive|-i] [--verbose|-v]
To visit the Homebrew homepage type: To visit the Homebrew homepage type:
brew home brew home
EOS EOS
end end

15
Library/Homebrew/extend/string.rb Normal file
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@ -0,0 +1,15 @@
class String
def undent
gsub /^.{#{slice(/^ +/).length}}/, ''
end
end
if __FILE__ == $0
undented = <<-EOS.undent
hi
....my friend over
there
EOS
assert undented == "hi\nmy friend over\nthere\n"
end

1
Library/Homebrew/global.rb
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@ -1,5 +1,6 @@
require 'extend/pathname' require 'extend/pathname'
require 'extend/ARGV' require 'extend/ARGV'
require 'extend/string'
require 'utils' require 'utils'
ARGV.extend(HomebrewArgvExtension) ARGV.extend(HomebrewArgvExtension)