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also handle missing tput in upgrade script.

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This commit is contained in:
Frederic Crozat 2015-09-22 16:46:22 +02:00
parent 884a879562
commit 95296bb0c5
1 changed files with 4 additions and 1 deletions
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3
tools/upgrade.sh
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@ -1,7 +1,10 @@
# Use colors, but only if connected to a terminal, and that terminal
# supports them.
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)"