import trivial changes from rbenv 0.4.0

libexec/pyenv-sh-rehash

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+[ -n "$PYENV_DEBUG" ] && set -x
+
+# Provide pyenv completions
+if [ "$1" = "--complete" ]; then
+  exec pyenv-rehash --complete
+fi
+
+# When pyenv shell integration is enabled, delegate to pyenv-rehash,
+# then tell the shell to empty its command lookup cache.
+pyenv-rehash
+echo "hash -r"