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install: wait for LF in non-interactive shell

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"read -n 1 ..." ignores all but the first character of a line-delimited
stream (e.g. "yes n | ./install").
This commit is contained in:
Justin M. Keyes
2015-04-13 20:05:45 -04:00
parent 3ec83babac
commit d4daece76b
1 changed files with 8 additions and 1 deletions
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install
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@@ -5,8 +5,15 @@ version=0.9.7
cd $(dirname $BASH_SOURCE) cd $(dirname $BASH_SOURCE)
fzf_base=$(pwd) fzf_base=$(pwd)
# If stdin is a tty, we are "interactive".
[ -t 0 ] && interactive=yes
ask() { ask() {
read -p "$1 ([y]/n) " -n 1 -r # non-interactive shell: wait for a linefeed
# interactive shell: continue after a single keypress
[ -n "$interactive" ] && read_n='-n 1' || read_n=
read -p "$1 ([y]/n) " $read_n -r
echo echo
[[ ! $REPLY =~ ^[Nn]$ ]] [[ ! $REPLY =~ ^[Nn]$ ]]
} }