*: refactor

Documentation will be rewritten and added later.

hook/lvm/lvm

@@ -0,0 +1,34 @@
+# vim: set ft=sh:
+# shellcheck shell=sh
+#
+# https://shellcheck.net/wiki/SC2154
+# shellcheck disable=2154
+
+[ "$hostonly" ] &&
+    for _mod in \
+        dm-log dm-cache dm-mirror \
+        dm-snapshot dm-multipath dm-thin-pool
+    do
+        copy_kmod "$_mod"
+    done
+
+copy_exec lvm
+
+_config='
+    devices {
+        write_cache_state = 0
+    }
+    backup {
+        backup  = 0
+        archive = 0
+    }
+    global {
+        use_lvmetad = 0
+    }'
+
+mkdir -p "${tmpdir}/etc/lvm"
+
+lvm config \
+    --config "$_config" \
+    ${lvm_config:+--mergedconfig} \
+> "${tmpdir}/etc/lvm/lvm.conf"