feat: Assign to SMARTCD_FZF_PREVIEW_CMD only if unset.

Change shell parameter expansion `:-` to `:` for `SMARTCD_FZF_PREVIEW_CMD` env.
CodesOfRishi · Jan 13, 2022 · 5acded8 · 5acded8
1 parent 3d9a599
commit 5acded8
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/tools/fzf-utilities.sh b/tools/fzf-utilities.sh
@@ -1,10 +1,10 @@
 # configure & validate SMARTCD_FZF_PREVIEW_CMD env
 __smartcd::fzf_preview() {
 	if hash exa 2> /dev/null; then
-		export SMARTCD_FZF_PREVIEW_CMD=${SMARTCD_FZF_PREVIEW_CMD:-"exa -TaF -I '.git' --icons --group-directories-first --git-ignore --colour=always"}
+		export SMARTCD_FZF_PREVIEW_CMD=${SMARTCD_FZF_PREVIEW_CMD-"exa -TaF -I '.git' --icons --group-directories-first --git-ignore --colour=always"}
 	elif hash tree 2> /dev/null; then
-		export SMARTCD_FZF_PREVIEW_CMD=${SMARTCD_FZF_PREVIEW_CMD:-"tree -I '.git' -C -a"}
-	else export SMARTCD_FZF_PREVIEW_CMD=${SMARTCD_FZF_PREVIEW_CMD:-""}; fi
+		export SMARTCD_FZF_PREVIEW_CMD=${SMARTCD_FZF_PREVIEW_CMD-"tree -I '.git' -C -a"}
+	else export SMARTCD_FZF_PREVIEW_CMD=${SMARTCD_FZF_PREVIEW_CMD-""}; fi
 }
 
 # run fzf command