Darcs.External
backupByRenaming
backupByCopying
copyFileOrUrl
speculateFileOrUrl
copyLocal
cloneFile
cloneTree
cloneTreeExcept
fetchFilePS
fetchFileLazyPS
gzFetchFilePS
sendEmail
generateEmail
sendEmailDoc
resendEmail
signString
verifyPS
execDocPipe
execPipeIgnoreError
getTermNColors
pipeDoc
pipeDocSSH
execSSH
maybeURLCmd
data Cachable
viewDoc
viewDocWith
haveSendmail
sendmailPath
diffProgram
darcsProgram