forked from josch/mmdebstrap
run_null.sh: use file descriptors instead of temporary files to get the exit status of the first part of a pipeline
This commit is contained in:
parent
736cb493ea
commit
104fba0256
1 changed files with 18 additions and 8 deletions
26
run_null.sh
26
run_null.sh
|
@ -17,14 +17,24 @@ while [ "$#" -gt 0 ]; do
|
|||
shift
|
||||
done
|
||||
|
||||
# subshell so that we can cd without effecting the rest
|
||||
(
|
||||
set +e
|
||||
cd ./shared;
|
||||
$SUDO sh -x ./test.sh;
|
||||
echo $?;
|
||||
) 2>&1 | tee shared/output.txt
|
||||
if [ "$(cat shared/exitstatus.txt)" -ne 0 ]; then
|
||||
# - Run command with fds 3 and 4 closed so that whatever test.sh does it
|
||||
# cannot interfere with these.
|
||||
# - Both stdin and stderr of test.sh are written to stdout
|
||||
# - Write exit status of test.sh to fd 3
|
||||
# - Write stdout to shared/output.txt as well as to fd 4
|
||||
# - Redirect fd 3 to stdout
|
||||
# - Read fd 3 and let the group exit with that value
|
||||
# - Redirect fd 4 to stdout
|
||||
ret=0
|
||||
{ { { {
|
||||
ret=0;
|
||||
( exec 3>&- 4>&-; env --chdir=./shared $SUDO sh -x ./test.sh 2>&1) || ret=$?;
|
||||
echo $ret >&3;
|
||||
} | tee shared/output.txt >&4;
|
||||
} 3>&1;
|
||||
} | { read -r xs; exit "$xs"; }
|
||||
} 4>&1 || ret=$?
|
||||
if [ "$ret" -ne 0 ]; then
|
||||
echo "test.sh failed"
|
||||
exit 1
|
||||
fi
|
||||
|
|
Loading…
Reference in a new issue