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| author | Yannick Eckey <yannick.eckey@googlemail.com> | 2015-10-15 15:37:30 +0200 |
|---|---|---|
| committer | Yannick Eckey <yannick.eckey@googlemail.com> | 2015-10-16 22:27:46 +0200 |
| commit | 75e619b72421e7330011c8bda5f99af5231a8b7d (patch) | |
| tree | aa8a54393aefd2a502903bc8e0f0e361ff2cdec5 /tools/upgrade.sh | |
| parent | 306e3e7ea0f2aef2ab9e3a51986c34f7296a3ab2 (diff) | |
| download | zsh-75e619b72421e7330011c8bda5f99af5231a8b7d.tar.gz zsh-75e619b72421e7330011c8bda5f99af5231a8b7d.tar.bz2 zsh-75e619b72421e7330011c8bda5f99af5231a8b7d.zip | |
Fix install.sh/upgrade.sh for tput-less systems
@fcrozat's original fix assumes `which` not to output anything to STDOUT
in case the command is not found. That is not necessarily true on all
systems. A better solution is to check the return value instead.
Fixes #4376
Diffstat (limited to 'tools/upgrade.sh')
| -rw-r--r-- | tools/upgrade.sh | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/upgrade.sh b/tools/upgrade.sh index 6e9696202..fe8fbadca 100644 --- a/tools/upgrade.sh +++ b/tools/upgrade.sh @@ -1,8 +1,7 @@ # Use colors, but only if connected to a terminal, and that terminal # supports them. -tput=$(which tput) -if [ -n "$tput" ]; then +if which tput >/dev/null 2>&1; then ncolors=$(tput colors) fi if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then |