Allow overriding the role directory

The upcoming test suite needs a way to operate on roles without
referencing the system's default store in /etc/portage/stow. Have bosun
respect the 'BOSUN_DIR' environment variable that overrides the role
directory bosun operates on.

1 files changed, 1 insertions, 1 deletions

diff --git a/bosun b/bosun
index 5d651a3..c24584f 100755
--- a/bosun
+++ b/bosun
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-export STOW_DIR=/etc/portage/stow
+export STOW_DIR=${BOSUN_DIR:-/etc/portage/stow}
 
 err() {
 	printf "bosun: %s\n" "$@" >&2