mitchellh/packer — pull request #79 by qur (2013-06-30 12:18:34+00:00)
Title: Fix building on Ubuntu

1) /bin/sh is not /bin/bash, so build.sh needs to explictly use /bin/bash.
2) dash's echo does not support \x, but it does support \0 (since dash is
/bin/sh, it gets used by Makefiles).
3) echo in build.sh seems to need -e to parse \x escape codes.