chore: don't patch for zfs 2.2.3 or newer (#12)

Relates to: ublue-os/ucore#112

Containerfile

@@ -5,6 +5,7 @@ ARG COREOS_VERSION="${COREOS_VERSION:-stable}"
 
 FROM ${BASE_IMAGE}:${COREOS_VERSION} AS builder
 ARG COREOS_VERSION="${COREOS_VERSION:-stable}"
+ARG ZFS_MINOR_VERSION="${ZFS_MINOR_VERSION:-2.2}"
 
 COPY build*.sh /tmp
 COPY certs /tmp/certs
@@ -25,7 +26,7 @@ RUN /tmp/build-prep.sh
 RUN /tmp/build-ucore-addons.sh
 RUN /tmp/build-ucore-nvidia.sh
 RUN /tmp/build-kmod-nvidia.sh
-RUN ZFS_MINOR_VERSION=2.2 /tmp/build-kmod-zfs.sh
+RUN /tmp/build-kmod-zfs.sh
 
 RUN for RPM in $(find /var/cache/akmods/ -type f -name \*.rpm); do \
         cp "${RPM}" /var/cache/rpms/kmods/; \

build-kmod-zfs.sh

@@ -27,7 +27,14 @@ echo "getting zfs-${ZFS_VERSION}.tar.gz"
 curl -L -O https://github.com/openzfs/zfs/releases/download/zfs-${ZFS_VERSION}/zfs-${ZFS_VERSION}.tar.gz
 tar xzf zfs-${ZFS_VERSION}.tar.gz
 
-patch  -b -uN -i zfs-kmod-spec-in.patch zfs-${ZFS_VERSION}/rpm/generic/zfs-kmod.spec.in
+# patch the zfs-kmod.spec.in file for older zfs versions
+ZFS_MIN=$(echo $ZFS_VERSION | cut -f2 -d.)
+ZFS_PATCH=$(echo $ZFS_VERSION | cut -f3 -d.)
+if [ "${ZFS_MIN}" -lt "3" ]; then
+    if [ "${ZFS_PATCH}" -lt "3" ]; then
+        patch  -b -uN -i zfs-kmod-spec-in.patch zfs-${ZFS_VERSION}/rpm/generic/zfs-kmod.spec.in
+    fi
+fi
 cd /tmp/zfs-${ZFS_VERSION}
 ./configure \
         -with-linux=/usr/src/kernels/${KERNEL}/ \