[PATCH 07/12] grub-shell: Set exit status to qemu exit status

[Glenn Washburn <development@efficientek.com>]

This allows us to test if unexpected output in test scripts is because of a
bug in grub, because there was an error in qemu, or qemu was killed due to a
timeout.

Signed-off-by: Glenn Washburn <development@efficientek.com>
---
 tests/util/grub-shell.in | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/tests/util/grub-shell.in b/tests/util/grub-shell.in
index c6d7860e9..40c62b9fd 100644
--- a/tests/util/grub-shell.in
+++ b/tests/util/grub-shell.in
@@ -498,6 +498,9 @@ copy_extra_files() {
     done
 }
 
+ret=0
+mkfifo "$work_directory/qemu-pipe"
+cat < "$work_directory/qemu-pipe" | tr -d "\r" | tee "${goutfile}" | do_trim &
 if [ x$boot = xnet ]; then
     netdir="$work_directory/netdir"
     mkdir -p "$netdir"
@@ -505,7 +508,7 @@ if [ x$boot = xnet ]; then
     cp "${cfgfile}" "$netdir/boot/grub/grub.cfg"
     cp "${source}" "$netdir/boot/grub/testcase.cfg"
     [ -z "$files" ] || copy_extra_files "$netdir" $files
-    timeout -s KILL $timeout "${qemu}" ${qemuopts} ${serial_null} -serial file:/dev/stdout -boot n -net "user,tftp=$netdir,bootfile=/boot/grub/${grub_modinfo_target_cpu}-${grub_modinfo_platform}/core.$netbootext"  -net nic  | cat | tr -d "\r" | tee "${goutfile}" | do_trim
+    timeout -s KILL $timeout "${qemu}" ${qemuopts} ${serial_null} -serial file:/dev/stdout -boot n -net "user,tftp=$netdir,bootfile=/boot/grub/${grub_modinfo_target_cpu}-${grub_modinfo_platform}/core.$netbootext"  -net nic > "$work_directory/qemu-pipe" || ret=$?
 elif [ x$boot = xemu ]; then
     rootdir="$work_directory/rootdir"
     grubdir="$rootdir/boot/grub"
@@ -524,11 +527,11 @@ elif [ x$boot = xemu ]; then
     [ -z "$files" ] || copy_extra_files "$rootdir" $files
     roottar="$work_directory/root.tar"
     (cd "$rootdir"; tar cf "$roottar" .)
-    @builddir@/grub-core/grub-emu -m "$device_map" --memdisk "$roottar" -r memdisk -d "/boot/grub" | tr -d "\r" | tee "${goutfile}" | do_trim
+    @builddir@/grub-core/grub-emu -m "$device_map" --memdisk "$roottar" -r memdisk -d "/boot/grub" > "$work_directory/qemu-pipe" || ret=$?
     test -n "$debug" || rm -rf "$rootdir"
     test -n "$debug" || rm -f "$roottar"
 else
-    timeout -s KILL $timeout "${qemu}" ${qemuopts} ${serial_null} -serial file:/dev/stdout -${device}"${isofile}" ${bootdev} | cat | tr -d "\r" | tee "${goutfile}" | do_trim
+    timeout -s KILL $timeout "${qemu}" ${qemuopts} ${serial_null} -serial file:/dev/stdout -${device}"${isofile}" ${bootdev} > "$work_directory/qemu-pipe" || ret=$?
 fi
 if [ x$boot = xcoreboot ]; then
     test -n "$debug" || rm -f "${imgfile}"
@@ -536,6 +539,7 @@ fi
 test -n "$debug" || rm -f "${isofile}"
 test -n "$debug" || rm -rf "${rom_directory}"
 test -n "$debug" || rm -f "${tmpfile}" "${cfgfile}"
-exit 0
+rm -f "$work_directory/qemu-pipe"
+exit $ret
 
 
-- 
2.27.0