diff --git a/cdist/conf/explorer/os b/cdist/conf/explorer/os
index 2d2aede6..8f54d9c8 100755
--- a/cdist/conf/explorer/os
+++ b/cdist/conf/explorer/os
@@ -144,7 +144,8 @@ esac
 
 if [ -f /etc/os-release ]; then
    # after sles15, suse don't provide an /etc/SuSE-release anymore, but there is almost no difference between sles and opensuse leap, so call it suse
-   if grep -q ^ID_LIKE=\"suse\" /etc/os-release 2>/dev/null; then
+   if (. /etc/os-release && echo "${ID_LIKE}" | grep -q '\(^\|\ \)suse\($\|\ \)')
+   then
       echo suse
       exit 0
    fi
diff --git a/cdist/conf/type/__filesystem/explorer/lsblk b/cdist/conf/type/__filesystem/explorer/lsblk
index 9ae544ac..9be3c575 100644
--- a/cdist/conf/type/__filesystem/explorer/lsblk
+++ b/cdist/conf/type/__filesystem/explorer/lsblk
@@ -18,16 +18,16 @@
 # along with cdist. If not, see <http://www.gnu.org/licenses/>.
 #
 
-os=$("$__explorer/os")
+os=$("${__explorer:?}/os")
 
-if [ -f "$__object/parameter/device" ]; then
+if [ -f "${__object:?}/parameter/device" ]; then
     blkdev="$(cat "$__object/parameter/device")"
 else
-    blkdev="$__object_id"
+    blkdev="${__object_id:?}"
 fi
 
 case "$os" in
-    centos|fedora|redhat|suse|gentoo)
+    alpine|centos|fedora|redhat|suse|gentoo)
         if [ ! -x "$(command -v lsblk)" ]; then
             echo "lsblk is required for __filesystem type" >&2
             exit 1
diff --git a/cdist/conf/type/__unpack/gencode-remote b/cdist/conf/type/__unpack/gencode-remote
index 45c7173a..3b7a19a7 100755
--- a/cdist/conf/type/__unpack/gencode-remote
+++ b/cdist/conf/type/__unpack/gencode-remote
@@ -23,6 +23,13 @@ case "$src" in
 
             cmd="$cmd --strip-components=$tar_strip"
         fi
+
+        if [ -f "$__object/parameter/tar-extra-args" ]
+        then
+            tar_extra_args="$( cat "$__object/parameter/tar-extra-args" )"
+
+            cmd="$cmd $tar_extra_args"
+        fi
     ;;
     *.7z)
         case "$os" in
diff --git a/cdist/conf/type/__unpack/man.rst b/cdist/conf/type/__unpack/man.rst
index 8fe96e43..bd0603cf 100644
--- a/cdist/conf/type/__unpack/man.rst
+++ b/cdist/conf/type/__unpack/man.rst
@@ -33,6 +33,10 @@ sum-file
 tar-strip
     Tarball specific. See ``man tar`` for ``--strip-components``.
 
+tar-extra-args
+    Tarball sepcific. Append additional arguments to ``tar`` command.
+    See ``man tar`` for possible arguments.
+
 
 OPTIONAL BOOLEAN PARAMETERS
 ---------------------------
@@ -65,6 +69,13 @@ EXAMPLES
             --preserve-archive \
             --destination /opt/cpma/server
 
+    # example usecase for --tar-* args
+    __unpack /root/strelaysrv.tar.gz \
+        --preserve-archive \
+        --destination /usr/local/bin \
+        --tar-strip 1 \
+        --tar-extra-args '--wildcards "*/strelaysrv"'
+
 
 AUTHORS
 -------
diff --git a/cdist/conf/type/__unpack/parameter/optional b/cdist/conf/type/__unpack/parameter/optional
index d136dd0c..da26ca63 100644
--- a/cdist/conf/type/__unpack/parameter/optional
+++ b/cdist/conf/type/__unpack/parameter/optional
@@ -1,2 +1,3 @@
 sum-file
 tar-strip
+tar-extra-args
diff --git a/docs/changelog b/docs/changelog
index 269a2049..2c09bfea 100644
--- a/docs/changelog
+++ b/docs/changelog
@@ -1,6 +1,12 @@
 Changelog
 ---------
 
+next:
+	* Type __locale_system: Fix for debian and ubuntu (Ander Punnar)
+	* Type __unpack: Add --tar-extra-args parameter (Ander Punnar)
+	* Explorer os: Fix OS detection for openSUSE (Dennis Camera)
+	* Type __filesystem: Support Alpine Linux (Joachim Desroches)
+
 6.7.0: 2020-07-28
 	* Delete deprecated type: __pf_apply (Darko Poljak)
 	* New type: __download (Ander Punnar)