Do not fail if tput is not available

Fixes issue #4376
2015-09-21 19:55:28 +02:00 · 2015-09-21 19:55:28 +02:00 · 884a879562
commit 884a879562
parent 918d26e7db
1 changed files with 4 additions and 1 deletions
--- a/tools/install.sh
+++ b/tools/install.sh
@ -2,7 +2,10 @@ set -e

 # Use colors, but only if connected to a terminal, and that terminal
 # supports them.
-ncolors=$(tput colors)
+tput=$(which tput)
+if [ -n "$tput" ]; then
+    ncolors=$($tput colors)
+fi
 if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
  RED="$(tput setaf 1)"
  GREEN="$(tput setaf 2)"