Add the new blacklist and whiteout plugins to anaconda source.

3 files changed, 151 insertions, 0 deletions

diff --git a/yum-plugins/Makefile b/yum-plugins/Makefile
new file mode 100644
index 000000000..d5542981e
--- /dev/null
+++ b/yum-plugins/Makefile
@@ -0,0 +1,33 @@
+#
+# Makefile
+#
+# Copyright (C) 2008  Red Hat, Inc.  All rights reserved.
+#
+# This program 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 2 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+include ../Makefile.inc
+
+all:
+	echo "nothing to make"
+
+install: 
+	mkdir -p $(DESTDIR)/usr/lib/yum-plugins
+	install *.py $(DESTDIR)/usr/lib/yum-plugins
+	../py-compile --basedir $(DESTDIR)/usr/lib/yum-plugins $(DESTDIR)/usr/lib/yum-plugins/*.py
+
+clean:
+	rm -f *.pyc
+
+depend:
diff --git a/yum-plugins/blacklist.py b/yum-plugins/blacklist.py
new file mode 100644
index 000000000..0fce5cf26
--- /dev/null
+++ b/yum-plugins/blacklist.py
@@ -0,0 +1,61 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2008
+# Red Hat, Inc.  All rights reserved.
+#
+# This program 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 2 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Author(s): Chris Lumens <clumens@redhat.com>
+
+# This yum plugin handles the upgrade blacklist.  This is a repo-specific
+# metadata file that tells us about packages that have been obsoleted by
+# some other package and should therefore be removed on upgrade.  Usually
+# packages themselves provide this information through Obsoletes:, but
+# with multilib we can't always count on that.
+from yum.plugins import TYPE_CORE
+
+try:
+    from xml.etree import cElementTree
+except ImportError:
+    import cElementTree
+
+iterparse = cElementTree.iterparse
+
+requires_api_version = '2.6'
+plugin_type = (TYPE_CORE, )
+
+def exclude_hook(conduit):
+    rpmdb = conduit.getRpmDB()
+    tsinfo = conduit.getTsInfo()
+
+    for repo in conduit.getRepos().listEnabled():
+        try:
+            infile = repo.retrieveMD("group")
+        except:
+            continue
+
+        for event, elem in iterparse(infile):
+            if elem.tag == "blacklist":
+                for child in elem.getchildren():
+                    if elem.tag != "package":
+                        continue
+
+                    name = elem.get("name")
+                    try:
+                        arch = elem.get("arch")
+                    except:
+                        arch = None
+
+                    for po in rpmdb.searchNevra(name=name, arch=arch):
+                        tsinfo.addErase(po)
diff --git a/yum-plugins/whiteout.py b/yum-plugins/whiteout.py
new file mode 100644
index 000000000..3d45f4671
--- /dev/null
+++ b/yum-plugins/whiteout.py
@@ -0,0 +1,57 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2008
+# Red Hat, Inc.  All rights reserved.
+#
+# This program 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 2 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Author(s): Chris Lumens <clumens@redhat.com>
+
+# This yum plugin handles the whiteout file.  The whiteout is a repo-specific
+# metadata file that is used to break loops in dependencies.
+from yum.plugins import TYPE_CORE
+import rpm
+
+try:
+    from xml.etree import cElementTree
+except ImportError:
+    import cElementTree
+
+iterparse = cElementTree.iterparse
+
+requires_api_version = '2.6'
+plugin_type = (TYPE_CORE, )
+
+def postreposetup_hook(conduit):
+    whiteout = ""
+    lst = []
+
+    # Merge the whiteout from all enabled repos together.
+    for repo in conduit.getRepos().listEnabled():
+        try:
+            infile = repo.retrieveMD("group")
+        except:
+            continue
+
+        for event, elem in iterparse(infile):
+            if elem.tag == "whiteout":
+                for child in elem.getchildren():
+                    if child.tag != "ignoredep":
+                        continue
+
+                    lst.append("%s>%s" % (child.get("package"), child.get("requires")))
+
+    whiteout = " ".join(lst)
+
+    rpm.addMacro("_dependency_whiteout", whiteout)