lib/bash: make call to tput more robust

Specifically, if `tput colors` fails with an error we treat that as if the terminal does not support colors. Fixes nix-community#423 Suggested-by: PhotonQuantum <[email protected]>
wuyoli · Oct 13, 2022 · 8cbc650 · 8cbc650
1 parent 8eaa3ba
commit 8cbc650
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/bash/home-manager.sh b/lib/bash/home-manager.sh
@@ -23,7 +23,7 @@ function setupColors() {
     if [[ ! -v NO_COLOR && -t 1 ]]; then
         # See if it supports colors.
         local ncolors
-        ncolors=$(tput colors)
+        ncolors=$(tput colors 2> /dev/null || echo 0)
 
         if [[ -n "$ncolors" && "$ncolors" -ge 8 ]]; then
             normalColor="$(tput sgr0)"