sys-kernel/booster: update ebuild

sys-kernel/booster/booster-0.11.ebuild

@@ -14,7 +14,16 @@ LICENSE="MIT"
 SLOT="0"
 KEYWORDS="~amd64"
 
-DEPEND=""
+IUSE="kernel-install installkernel"
+
+DEPEND="kernel-install? (
+        || (
+            sys-apps/systemd-utils
+            sys-apps/systemd
+            )
+        )
+        installkernel? ( sys-kernel/installkernel )
+        "
 RDEPEND="${DEPEND}"
 BDEPEND=""
 
@@ -27,6 +36,16 @@ src_install() {
     insinto /etc
     newins "${FILESDIR}/${PN}.yaml" ${PN}.yaml
 
+    if use installkernel; then
+      # Install the kernel preinst.d hook
+      exeinto /usr/lib/kernel/preinst.d
+      doexe "${FILESDIR}/installkernel-52-booster.install"
+    fi
+    if use kernel-install; then
+      exeinto /usr/lib/kernel/install.d
+      doexe "${FILESDIR}/kernel-install-52-booster.install"
+    fi
+
     exeinto /usr/lib/${PN}
     doexe init/init