implement serv cat

bin/serv

 #!/bin/sh
 #
-# Copyright (C) 2012-2013, 2016  Etersoft
-# Copyright (C) 2012-2013, 2016  Vitaly Lipatov <lav@etersoft.ru>
+# Copyright (C) 2012-2013, 2016, 2020  Etersoft
+# Copyright (C) 2012-2013, 2016, 2020  Vitaly Lipatov <lav@etersoft.ru>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -213,6 +213,9 @@ check_command()
     log|journal)              # HELPCMD: print log for the service (-f - follow,  -r - reverse order)
         serv_cmd=log
         ;;
+    cat)                      # HELPCMD: print out service file for the service
+        serv_cmd=cat
+        ;;
     edit)
         serv_cmd=edit         # HELPCMD: edit service file overload (use --full to edit full file)
         ;;

bin/serv-cat

+#!/bin/sh
+#
+# Copyright (C) 2020  Etersoft
+# Copyright (C) 2020  Vitaly Lipatov <lav@etersoft.ru>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+serv_cat()
+{
+	local SERVICE="$1"
+	shift
+
+	case $SERVICETYPE in
+		systemd)
+			sudocmd systemctl cat "$SERVICE" "$@"
+			;;
+		*)
+			case $DISTRNAME in
+			ALTLinux)
+				local INITFILE=/etc/init.d/$SERVICE
+				[ -r "$INITFILE" ] || fatal "Can't find init file $INITFILE"
+				docmd cat $INITFILE
+				return ;;
+			*)
+				fatal "Have no suitable for $DISTRNAME command for $SERVICETYPE"
+				;;
+			esac
+	esac
+}