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installer: allow for tput errors

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tput may throw errors on invalid $TERM values, for example.
This shorthand syntax allows for that as well as for if tput
doesn't exist.
This commit is contained in:
Marc Cornellà 2019-06-01 19:26:17 +02:00
parent 2e54ba2dfb
commit 0824dcc9fb
1 changed files with 1 additions and 5 deletions
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6
tools/install.sh
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@ -52,11 +52,7 @@ error() {
# Set up color sequences
setup_color() {
if command_exists tput; then
ncolors=$(tput colors)
else
ncolors=0
fi
ncolors=$(tput colors 2>/dev/null) || ncolors=0
# Only use colors if connected to a terminal that supports them
if [ -t 1 ] && [ $ncolors -ge 8 ]; then