[gentoo-java] modular QA checks for repoman

[Zac Medico <zmedico@gentoo.org>]

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Hi everyone,

The Java team is trying to migrate all the Java ebuilds to the Generation 2 [1] system for building Java packages.  They would like to have support included in repoman in order to help enforce the migration.  Please see the attached patch that has been provided by nelchael.  I'd like to help the Java team by including this functionality but I'd rather not mix the Java checks in with all the other generic ebuild checks.  The only similar (special purpose) check that's currently included in repoman is the modular X deprecation check.

My plan is to create a framework for modular repoman checks, so that thinks like the Java and modular X checks can be cleanly separated.  I haven't put much thought into it yet.  I imagine that these modules will have the ability to operate on the ebuild metadata as well as the raw lines of ebuild text.  They'll have to return the QA data somehow, perhaps by returning stats and fails dictionaries similar to those already used by repoman.  Does anyone have ideas to share about the design of the framework?  Since there aren't very many of these special purpose checks, should we just include them directly in repoman for now (vs. load them from external sources)?

Zac

[1] http://www.gentoo.org/proj/en/java/java-upgrade.xml
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--- /usr/bin/repoman	2006-07-16 13:37:40.000000000 +0200
+++ repoman	2006-07-16 16:55:25.000000000 +0200
@@ -1051,6 +1051,21 @@
 				fails["LIVEVCS.stable"].append(x+"/"+y+".ebuild with stable keywords:%s " % bad_stable_keywords)
 			del keyword, bad_stable_keywords		
 
+		"""
+		Check for old style java eclasses
+		  #1: old eclasses:
+		"""
+		if set(["java-pkg","java-utils"]).intersection(myaux["INHERITED"].split()):
+			stats["usage.obsolete"] += 1
+			fails["usage.obsolete"].append("%s/%s.ebuild: not migrated to generation 2 of java system" % (x, y))
+
+		"""
+		  #2: not needed USE flags:
+		"""
+		if set(["jikes"]).intersection(myaux["IUSE"].split()):
+			stats["usage.obsolete"] += 1
+			fails["usage.obsolete"].append("%s/%s.ebuild: has jikes in IUSE" % (x, y))
+
 		if "--ignore-arches" in myoptions:
 			arches = [[repoman_settings["ARCH"], repoman_settings["ARCH"],
 				repoman_settings["ACCEPT_KEYWORDS"].split()]]
@@ -1268,6 +1283,10 @@
 		continuation_symbol = re.compile(r'(.*[ ]+[\\][ ].*)')
 		line_continuation_quoted = re.compile(r'(\"|\')(([\w ,:;#\[\]\.`=/|\$\^\*{}()\'-])|(\\.))*\1')
 		line_continuation = re.compile(r'([^#]*\S)(\s+|\t)\\$')
+		java_ant_run = re.compile(r'^\s*ant')
+		java_source = re.compile(r'.*java-pkg_dosrc.*')
+		java_had_ant_run_warning=0
+		java_had_source_warning=0
 		linenum=0
 		previous_line = None
 		for line in input(checkdir+"/"+y+".ebuild"):
@@ -1336,6 +1355,18 @@
 								myerrormsg = "Line continuation (\"\\\") Syntax Error. Line %d" % linenum
 								stats["ebuild.majorsyn"] +=1
 								fails["ebuild.majorsyn"].append(x+"/"+y+".ebuild: %s" % myerrormsg)
+					# ant usage check
+					match = java_ant_run.match(line)
+					if match and not java_had_ant_run_warning:
+						stats["usage.obsolete"] += 1
+						fails["usage.obsolete"].append(x+"/"+y+".ebuild: runs ant, should use java-ant-2 eclass")
+						java_had_ant_run_warning=1
+					# java-pkg_dosrc without IUSE="source"
+					match = java_source.match(line)
+					if match and not java_had_source_warning and 'source' not in myaux['IUSE'].split():
+						stats["ebuild.minorsyn"] += 1
+						fails["ebuild.minorsyn"].append(x+"/"+y+".ebuild: uses java-pkg_dosrc, but lacks source in IUSE")
+						java_had_source_warning=1
 			previous_line = line
 		del previous_line