oh-my-zsh/plugins/zsh-navigation-tools/znt-usetty-wrapper
2015-11-01 16:10:55 +01:00

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emulate -L zsh
zmodload zsh/curses
test_fd0() {
true <&0
}
local restore=0 FD
# Reattach to terminal
if [ ! -t 0 ]; then
# Check if can reattach to terminal in any way
if [[ ! -c /dev/tty && ! -t 2 ]]; then
echo "No terminal available (no /dev/tty and no terminal at stderr)"
return 1
fi
if test_fd0 2>/dev/null; then
exec {FD}<&0
restore=2
else
restore=1
fi
if [[ ! -c /dev/tty ]]; then
exec <&2
else
exec </dev/tty
fi
fi
# Run the command
"$@"
# Restore FD state
(( restore == 1 )) && exec <&-
(( restore == 2 )) && exec <&$FD && exec {FD}<&-
# vim: set filetype=zsh: