autodedtection of old usermod implementations ...

cdist/conf/type/__user_groups/explorer/oldusermod

@@ -0,0 +1,21 @@
+#!/bin/sh
+#
+# 2015 Heule Daniel (hda at sfs.biz)
+#
+# This file is part of cdist.
+#
+# cdist is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# cdist is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with cdist. If not, see <http://www.gnu.org/licenses/>.
+#
+
+usermod --help | grep -q -- '-A group' && echo true || echo false

cdist/conf/type/__user_groups/gencode-remote

@@ -1,7 +1,6 @@
 #!/bin/sh
 #
 # 2012 Steven Armstrong (steven-cdist at armstrong.cc)
-# 2015 Daniel Heule     ( hda at sfs.biz )
 #
 # This file is part of cdist.
 #
@@ -21,20 +20,17 @@
 
 user="$(cat "$__object/parameter/user" 2>/dev/null || echo "$__object_id")"
 state_should="$(cat "$__object/parameter/state")"
+oldusermod="$(cat "$__object/explorer/oldusermod")"
 
-os_version="$(cat "$__global/explorer/os_version")"
-case "$os_version" in
-    SUSE\ Linux\ Enterprise\ Server\ 11*VERSION\ =\ 11*)
+if [ "$oldusermod" = "true" ]; then
         old=yes
         addparam="-A"
         delparam="-R"
-    ;;
-    *)
+else
         old=no
         addparam="-a"
         delparam="-d"
-    ;;
-esac
+fi
 
 mkdir "$__object/files"
 # file has to be sorted for comparison with `comm`