general: Export envar FFF_LEVEL to make programs aware if fff is the …

…parent
dylanaraps · Jan 28, 2019 · 4df0a3f · 4df0a3f
1 parent 59e1905
commit 4df0a3f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/fff b/fff
@@ -713,6 +713,11 @@ key() {
         # Spawn a shell.
         "${FFF_KEY_SHELL:=!}")
             reset_terminal
+
+            # Make fff aware of how many times it is nested.
+            export FFF_LEVEL
+            ((FFF_LEVEL++))
+
             cd "$PWD" && "$SHELL"
             setup_terminal
             redraw