#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# test behavior of redirections when the shell doesn't exit and exec gets a
# program name to execute as an operand

# set up a fixed path so we know notthere will not be found
PATH=/usr/bin:/bin
export PATH

FN=/tmp/output-$$
shopt -s execfail

# make sure execfail works right, otherwise none of the rest matters
exec notthere
echo after failed exec: $?

# basic redirection undoing if exec fails
rm -f $FN
exec notthere >$FN
echo after failed exec with output redirection
rm -f $FN

# undo successful redirections if exec fails but does not exit the shell
exec notthere 4>&2
echo foo >&4

# we should undo successful redirects if one of the redirections fails
exec >$FN 2>.
echo after failed redir stdout
echo after failed redir stderr >&2

exec notthere <<<'foo bar baz'
echo after failed exec with input redirection

# the command builtin should not make a difference here

# make sure execfail works right, otherwise none of the rest matters
command exec notthere
echo after failed exec: $?

# basic redirection undoing if exec fails
rm -f $FN
command exec notthere >$FN
echo after failed exec with output redirection
rm -f $FN

# undo successful redirections if exec fails but does not exit the shell
command exec notthere 4>&2
echo foo >&4

# we should undo successful redirects if one of the redirections fails
command exec >$FN 2>.
echo after failed redir stdout
echo after failed redir stderr >&2

command exec notthere <<<'foo bar baz'
echo after failed exec with input redirection