introduce epm-whatprovides

bin/epm

@@ -136,7 +136,7 @@ check_command()
     -i|install|add)       # HELPCMD: install package(s) from remote repositories or from local file
         epm_cmd=install
         ;;
-    -e|-P|remove|delete|uninstall)  # HELPCMD: remove (delete) package(s) from the database and the system
+    -e|-P|remove|delete|uninstall|erase)  # HELPCMD: remove (delete) package(s) from the database and the system
         epm_cmd=remove
         ;;
     -s|search)            # HELPCMD: search in remote package repositories
@@ -183,6 +183,9 @@ check_command()
     whatdepends)          # HELPCMD: print packages dependences on that
         epm_cmd=whatdepends
         ;;
+    whatprovides)          # HELPCMD: print packages provides that target
+        epm_cmd=whatprovides
+        ;;
     -qa|list|packages|-l) # HELPCMD: list of installed package(s)
         epm_cmd=packages
         ;;

bin/epm-whatdepends

@@ -38,6 +38,6 @@ case $PMTYPE in
 		;;
 esac
 
-[ -n "$pkg_names" ] && docmd $CMD $pkg_names
+docmd $CMD $pkg_names
 
 }

bin/epm-whatprovides

+#!/bin/sh
+#
+# Copyright (C) 2013  Etersoft
+# Copyright (C) 2013  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/>.
+#
+
+epm_whatprovides()
+{
+	local CMD
+	[ -n "$pkg_names" ] || fatal "Run query without names"
+
+# by package name
+case $PMTYPE in
+	conary)
+		CMD="conary repquery --what-provides"
+		;;
+	*)
+		fatal "Have no suitable command for $PMTYPE"
+		;;
+esac
+
+docmd $CMD $pkg_names
+
+}