Error:
svn: Can't convert string from 'UTF-8' to native encoding

Resolve:
$ export LC_CTYPE=en_US.UTF-8
$ locale
LANG=
LC_COLLATE="C"
LC_CTYPE="en_US.UTF-8"
LC_MESSAGES="C"
LC_MONETARY="C"
LC_NUMERIC="C"
LC_TIME="C"
LC_ALL="C/en_US.UTF-8/C/C/C/C"