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runqemu-gen-tapdevs: Allow run --help without sudo

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Then we can get user's UID and GID rather than hardcode to 1000, e.g.:

- Without sudo
$ runqemu-gen-tapdevs --help
[snip]
$ sudo ../poky/scripts/runqemu-gen-tapdevs 15220 100 4 tmp/sysroots-components/x86_64/qemu-helper-native/usr/bin
[snip]

- With sudo
$ sudo ../poky/scripts/runqemu-gen-tapdevs --help
[snip]
$ sudo ../poky/scripts/runqemu-gen-tapdevs 15220 100 4 tmp/sysroots-components/x86_64/qemu-helper-native/usr/bin
[snip]

(From OE-Core rev: 446e7da7e56f9de3602498b5ef40e9e0f8f71837)

(From OE-Core rev: 79471a27018d2e766b349540693e6c196fa75869)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Robert Yang 2018-12-28 00:58:58 -08:00 committed by Richard Purdie
parent 5fe0d8a8d7
commit a849af7f9f
1 changed files with 19 additions and 8 deletions
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27
scripts/runqemu-gen-tapdevs
View File

@ -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