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-rwxr-xr-xscripts/runqemu-gen-tapdevs27
1 files changed, 19 insertions, 8 deletions
diff --git a/scripts/runqemu-gen-tapdevs b/scripts/runqemu-gen-tapdevs
index 11de318c1a2..869fee261d4 100755
--- a/scripts/runqemu-gen-tapdevs
+++ b/scripts/runqemu-gen-tapdevs
@@ -22,22 +22,28 @@
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+uid=`id -u`
+gid=`id -g`
+if [ -n "$SUDO_UID" ]; then
+ uid=$SUDO_UID
+fi
+if [ -n "$SUDO_GID" ]; then
+ gid=$SUDO_GID
+fi
+
usage() {
echo "Usage: sudo $0 <uid> <gid> <num> <staging_bindir_native>"
- echo "Where <uid> is the numeric user id the tap devices will be owned by"
+ echo "Where <uid> is the numeric user id the tap devices will be owned by"
echo "Where <gid> is the numeric group id the tap devices will be owned by"
echo "<num> is the number of tap devices to create (0 to remove all)"
echo "<native-sysroot-basedir> is the path to the build system's native sysroot"
- echo "e.g. $ bitbake qemu-helper-native"
- echo "$ sudo $0 1000 1000 4 tmp/sysroots-components/x86_64/qemu-helper-native/usr/bin"
+ echo "For example:"
+ echo "$ bitbake qemu-helper-native"
+ echo "$ sudo $0 $uid $gid 4 tmp/sysroots-components/x86_64/qemu-helper-native/usr/bin"
+ echo ""
exit 1
}
-if [ $EUID -ne 0 ]; then
- echo "Error: This script must be run with root privileges"
- exit
-fi
-
if [ $# -ne 4 ]; then
echo "Error: Incorrect number of arguments"
usage
@@ -54,6 +60,11 @@ if [[ ! -x "$TUNCTL" || -d "$TUNCTL" ]]; then
usage
fi
+if [ $EUID -ne 0 ]; then
+ echo "Error: This script must be run with root privileges"
+ exit
+fi
+
SCRIPT_DIR=`dirname $0`
RUNQEMU_IFUP="$SCRIPT_DIR/runqemu-ifup"
if [ ! -x "$RUNQEMU_IFUP" ]; then