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-rw-r--r--src/lib/conf.sh4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/conf.sh b/src/lib/conf.sh
index 7555794..0a6fb89 100644
--- a/src/lib/conf.sh
+++ b/src/lib/conf.sh
@@ -73,6 +73,10 @@ list_envvars() {
PKGEXT SRCEXT \
GPGKEY PACKAGER
;;
+ libretools)
+ printf '%s\n' \
+ DIFFPROG
+ ;;
*) :;;
esac
}