[patch] Implement changed USE flag scanning in equery

equery_changeduse.patch (text/plain), 3.22 KB, created by Peter Jensen on 2004-08-17 04:58:41 UTC

--- equery.old	2004-04-14 15:27:10.000000000 +0200
+++ equery	2004-08-17 13:29:09.000000000 +0200
@@ -75,6 +75,112 @@
 		pass
 
 	
+class CmdDisplayChangedUSEs(Command):
+	"""List all packages that have had their USE flags changed"""
+	def __init__(self):
+		self.default_opts = {
+			"rawoutput": 0
+			}
+
+	def parseArgs(self, args):
+		opts = self.default_opts
+		need_help = 0		
+		for i in args:
+			if i in ["-r", "--rawoutput"]:
+				opts["rawoutput"] = 1
+			if i in ["-h", "--help"]:
+				need_help = 1
+		if need_help:
+			print self.longHelp()
+			sys.exit(-1)
+		return opts
+
+	def perform(self, args):
+		opts = self.parseArgs(args)
+		raw = opts["rawoutput"]
+		output = []
+		if not raw:
+			print "Fetching list of installed packages ..."
+		matches = gentoolkit.find_all_installed_packages()
+		if not raw:
+			print "Comparing USE flags ..."
+			print
+		num = len(matches)
+		current = 0
+		nrchars = 0
+		for p in matches:
+			bestver = "=" + p.get_cpv()
+			# Don't continue if the package no longer exists in portage
+			if not gentoolkit.find_packages(bestver):
+				continue
+			useflags = gentoolkit.settings["USE"].split()
+			iuse = p.get_env_var("IUSE")
+			if iuse:
+				usevar = iuse.split()
+			else:
+				usevar = []
+			used = p.get_use_vars().split()
+			list = []
+			for u in usevar:
+				inuse = 0
+				inused = 0
+				if u in useflags:
+					inuse = 1
+				if u in used:
+					inused = 1
+				list.append((inuse, inused, u))
+			doprint = 0
+			uselist = []
+			if list:
+				for inuse, inused, u in list:
+					if inuse != inused:
+						# These USE flags shouldn't be set by users anyway.
+						if u not in ["bootstrap", "build", "livecd", "selinux"]:
+							doprint = 1
+							if inuse:
+								uselist.append(red("+" + u))
+							else:
+								uselist.append(blue("-" + u))
+			current += 1
+			if doprint:
+				if raw:
+					print bestver
+				output.append((bestver, uselist))
+			s = str(len(matches) - current) + " packages to go (" + str(len(output)) + " candidates found)"
+			if not raw:
+				sys.stdout.write(nrchars * "\b \b" + s)
+				sys.stdout.flush()
+			nrchars = len(s)
+		if not raw:
+			sys.stdout.write(nrchars * "\b \b")
+			sys.stdout.flush()
+			print "Done!"
+			print
+			if len(output):
+				print "These are the packages with changed USE flags:"
+				print
+				for pkg, uselist in output:
+					print "  " + darkgreen(pkg[1:]) + " ",
+					for u in uselist:
+						print u,
+					print
+			else:
+				print "All packages are compiled with the current USE flags.  Exiting ..."
+			print
+
+	def shortHelp(self):
+		return yellow("<local-opts>") + " - list packages that have had their USE flags changed"
+
+	def longHelp(self):
+		return "List all packages that have had their USE flags changed\n" + \
+		     "\n" + \
+		     "Syntax:\n" + \
+				 "  " + green("changeduse") + yellow(" <local-opts>\n") + \
+				 "\n" + \
+				 yellow("<local-opts>") + " is either of:\n" + \
+				 "  " + yellow("-r, --rawoutput") + " - output raw depend atoms\n"
+
+
 class CmdListFiles(Command):
 	"""List files owned by a particular package"""
 	def __init__(self):
@@ -850,6 +956,7 @@
 
 
 Known_commands = {
+	"changeduse": CmdDisplayChangedUSEs(),
 	"list": CmdListPackages(),
 	"files": CmdListFiles(),
 	"belongs": CmdListBelongs(),