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|
{- git remote stuff
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Git.Remote where
import Common
import Data.Char
{- Construct a legal git remote name out of an arbitrary input string.
-
- There seems to be no formal definition of this in the git source,
- just some ad-hoc checks, and some other things that fail with certian
- types of names (like ones starting with '-').
-}
makeLegalName :: String -> String
makeLegalName s = case filter legal $ replace "/" "_" s of
-- it can't be empty
[] -> "unnamed"
-- it can't start with / or - or .
'.':s' -> makeLegalName s'
'/':s' -> makeLegalName s'
'-':s' -> makeLegalName s'
s' -> s'
where
{- Only alphanumerics, and a few common bits of punctuation common
- in hostnames. -}
legal '_' = True
legal '.' = True
legal c = isAlphaNum c
|
