[PATCH] dracut-systemd: ensure grep is installed as needed by rootfs-generator

[NeilBrown <neilb@xxxxxxx>]

rootfs-generator uses 'grep', but it is not installed in the initramfs
by default.
So explicitly install it when installing rootfs-generator.sh

Signed-off-by: NeilBrown <neilb@xxxxxxx>

diff --git a/modules.d/98dracut-systemd/module-setup.sh b/modules.d/98dracut-systemd/module-setup.sh
index d9175573c777..780b39a2b4a1 100755
--- a/modules.d/98dracut-systemd/module-setup.sh
+++ b/modules.d/98dracut-systemd/module-setup.sh
@@ -41,6 +41,7 @@ install() {
     inst_script "$moddir/dracut-mount.sh" /bin/dracut-mount
     inst_script "$moddir/dracut-pre-pivot.sh" /bin/dracut-pre-pivot
 
+    inst_multiple grep
     inst_script "$moddir/rootfs-generator.sh" $systemdutildir/system-generators/dracut-rootfs-generator
 
     for i in \

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