From 6bfbbbefc91069cb4244cf5a5462e6cef3cef3e6 Mon Sep 17 00:00:00 2001
From: wired <wired@gentoo.org>
Date: Sun, 15 Aug 2010 01:56:40 +0300
Subject: repoman: check for deprecated eclasses

compare the inherited eclasses to a list of deprecated eclasses.
print QA warnings for each deprecated eclass found and suggest an
alternative for those that have one.
---
 bin/repoman           |  2 ++
 man/repoman.1         |  3 +++
 pym/repoman/checks.py | 31 ++++++++++++++++++++++++++++++-
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/bin/repoman b/bin/repoman
index df4232516..3b28bf5be 100755
--- a/bin/repoman
+++ b/bin/repoman
@@ -285,6 +285,7 @@ qahelp={
 	"file.name":"File/dir name must be composed of only the following chars: %s " % allowed_filename_chars,
 	"file.UTF8":"File is not UTF8 compliant",
 	"inherit.autotools":"Ebuild inherits autotools but does not call eautomake, eautoconf or eautoreconf",
+	"inherit.deprecated":"Ebuild inherits a deprecated eclass",
 	"java.eclassesnotused":"With virtual/jdk in DEPEND you must inherit a java eclass",
 	"KEYWORDS.dropped":"Ebuilds that appear to have dropped KEYWORDS for some arch",
 	"KEYWORDS.missing":"Ebuilds that have a missing or empty KEYWORDS variable",
@@ -396,6 +397,7 @@ qawarnings = set((
 "ebuild.patches",
 "file.size",
 "inherit.autotools",
+"inherit.deprecated",
 "java.eclassesnotused",
 "metadata.warning",
 "virtual.versioned",
diff --git a/man/repoman.1 b/man/repoman.1
index ad4c74cb3..28216d6e8 100644
--- a/man/repoman.1
+++ b/man/repoman.1
@@ -304,6 +304,9 @@ Files in the files directory must be under 20k
 .B inherit.autotools
 Ebuild inherits autotools but does not call eautomake, eautoconf or eautoreconf
 .TP
+.B inherit.deprecated
+Ebuild inherits a deprecated eclass
+.TP
 .B java.eclassesnotused
 With virtual/jdk in DEPEND you must inherit a java eclass. Refer to
 \fIhttp://www.gentoo.org/proj/en/java/java\-devel.xml\fR for more information.
diff --git a/pym/repoman/checks.py b/pym/repoman/checks.py
index ed3079574..f3ab6e4c2 100644
--- a/pym/repoman/checks.py
+++ b/pym/repoman/checks.py
@@ -360,6 +360,35 @@ class ImplicitRuntimeDeps(LineCheck):
 		if self._depend and not self._rdepend:
 			yield 'RDEPEND is not explicitly assigned'
 
+class InheritDeprecated(LineCheck):
+	"""Check if ebuild inherits a deprecated eclass"""
+
+	repoman_check_name = 'inherit.deprecated'
+
+	# deprecated eclass : new eclass (0 if no new eclass)
+	deprecated_classes = {
+		"gems": "ruby-fakegem",
+		"php-pear": "php-pear-r1",
+		"qt3": 0,
+		"qt4": "qt4-r2",
+		"ruby": "ruby-ng",
+		"ruby-gnome2": "ruby-ng-gnome2"
+		}
+
+	def new(self, pkg):
+		self.matched_eclasses = frozenset(self.deprecated_classes.keys()).intersection(pkg.inherited)
+
+	def check(self, num, line):
+		pass
+
+	def end(self):
+		for i in self.matched_eclasses:
+			if self.deprecated_classes[i] == 0:
+				yield i + ": deprecated eclass"
+			else:
+				yield "uses deprecated eclass '"+ i +"'. please migrate to '"+ \
+					self.deprecated_classes[i] +"'"
+
 class InheritAutotools(LineCheck):
 	"""
 	Make sure appropriate functions are called in
@@ -554,7 +583,7 @@ _constant_checks = tuple((c() for c in (
 	EbuildAssignment, Eapi3EbuildAssignment, EbuildUselessDodoc,
 	EbuildUselessCdS, EbuildNestedDie,
 	EbuildPatches, EbuildQuotedA, EapiDefinition, EprefixifyDefined,
-	ImplicitRuntimeDeps, InheritAutotools, IUseUndefined,
+	ImplicitRuntimeDeps, InheritAutotools, InheritDeprecated, IUseUndefined,
 	EMakeParallelDisabled, EMakeParallelDisabledViaMAKEOPTS, NoAsNeeded,
 	DeprecatedBindnowFlags, SrcUnpackPatches, WantAutoDefaultValue,
 	SrcCompileEconf, Eapi3DeprecatedFuncs,
-- 
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