diff options
Diffstat (limited to 'tools/upgrade.sh')
| -rw-r--r-- | tools/upgrade.sh | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/upgrade.sh b/tools/upgrade.sh index 65af6e368..6e9696202 100644 --- a/tools/upgrade.sh +++ b/tools/upgrade.sh @@ -1,7 +1,10 @@ # 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)" |