fix fzf bookmarks plugin environment variable (#756)

* fix fzf bookmarks plugin environment variable

* fix for POSIX

diff --git a/plugins/bookmarks b/plugins/bookmarks
index 614b20f268d9958ded661385bdd1aa2e4f1070b4..65670cd5c4f8d9d5d7924911690566476f56e9ff 100755 (executable)
--- a/plugins/bookmarks
+++ b/plugins/bookmarks
@@ -25,7 +25,9 @@
 # Shell: POSIX compliant
 # Author: Todd Yamakawa
 
-BOOKMARKS_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/nnn/bookmarks"
+if [ -z "$BOOKMARKS_DIR" ]; then
+  BOOKMARKS_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/nnn/bookmarks"
+fi
 
 # Check if NNN_PIPE is set
 if [ -z "$NNN_PIPE" ]; then