From 534d3511f785c1304d301f7eca22e295b56dde4b Mon Sep 17 00:00:00 2001
From: naskya <m@naskya.net>
Date: Fri, 27 Oct 2023 23:39:24 +0900
Subject: [PATCH] dev: don't print ANSI escape chars if stdout is
 piped/redirected

---
 update.sh | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/update.sh b/update.sh
index 85f24c3f2..6aa3f15af 100755
--- a/update.sh
+++ b/update.sh
@@ -1,16 +1,22 @@
 #!/usr/bin/env bash
 set -eu
 
+function color {
+  if [[ -t 1 ]]; then
+    tput setaf ${1:-7}
+  fi
+}
+
 function say {
-  tput setaf 5
+  color 5  # magenta
   echo -e "( ^-^) < $1"
-  tput setaf 7
+  color
 }
 
 function running {
-  tput setaf 3
+  color 3  # yellow
   echo "[running] \$ $1"
-  tput setaf 7
+  color
 }
 
 say "Start upgrading Firefish!"