fish-shell/share/functions/eval.fish
Dylan Smith 6b243fbcd3 eval: (eval false) should return an error status
This also caused (isatty < /dev/null) to return 0 since it uses eval,
and (ls | cat) to output using the classify indicator style since it
uses isatty. This is how I found the bug.

Reviewed-by: Grissiom <chaos.proton@gmail.com>
2010-11-22 19:36:42 +08:00

29 lines
655 B
Fish

function eval -S -d "Evaluate parameters as a command"
# If we are in an interactive shell, eval should enable full
# job control since it should behave like the real code was
# executed. If we don't do this, commands that expect to be
# used interactively, like less, wont work using eval.
set -l mode
if status --is-interactive-job-control
set mode interactive
else
if status --is-full-job-control
set mode full
else
set mode none
end
end
if status --is-interactive
status --job-control full
end
echo begin\; $argv \;end eval2_inner \<\&3 3\<\&- | . 3<&0
set -l res $status
status --job-control $mode
return $res
end