From 69ee0030c2acca0c52e9e3932a6bc09545429420 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 17 Oct 2007 20:22:54 +0000
Subject: [PATCH] Bug #196043 - Unify the ouput handling for file collisions so
 that similar eerror messages are generated whether or not collision-protect
 is enabled.

svn path=/main/trunk/; revision=8163
---
 pym/portage/dbapi/vartree.py | 108 ++++++++++++++++++-----------------
 1 file changed, 55 insertions(+), 53 deletions(-)

diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index e71fc1fae..2b5e6efbd 100644
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -1580,45 +1580,6 @@ class dblink(object):
 									break
 					if stopmerge:
 						collisions.append(f)
-			if stopmerge and "collision-protect" in self.settings.features:
-				print red("*")+" This package is blocked because it wants to overwrite"
-				print red("*")+" files belonging to other packages (see list below)."
-				print red("*")+" If you have no clue what this is all about report it "
-				print red("*")+" as a bug for this package on http://bugs.gentoo.org"
-				print
-				print red("package "+self.cat+"/"+self.pkg+" NOT merged")
-				print
-				print "Detected file collision(s):"
-				print
-				from portage.output import colorize
-				for f in collisions:
-					print "     '%s'" % colorize("INFORM",
-						os.path.join(destroot, f.lstrip(os.path.sep)))
-				print
-				print "Searching all installed packages for file collisions..."
-				print "Press Ctrl-C to Stop"
-				print
-				found_owner = False
-				for cpv in self.vartree.dbapi.cpv_all():
-					cat, pkg = catsplit(cpv)
-					mylink = dblink(cat, pkg, destroot, self.settings,
-						vartree=self.vartree)
-					mycollisions = []
-					for f in collisions:
-						if mylink.isowner(f, destroot):
-							mycollisions.append(f)
-					if mycollisions:
-						found_owner = True
-						print " * %s:" % cpv
-						print
-						for f in mycollisions:
-							print "     '%s'" % \
-								os.path.join(destroot, f.lstrip(os.path.sep))
-						print
-				if not found_owner:
-					print "None of the installed packages claim the above file(s)."
-					print
-				sys.exit(1)
 			return collisions
 
 	def _security_check(self, installed_instances):
@@ -1804,11 +1765,22 @@ class dblink(object):
 			use_cache=0, tree=self.treetype, mydbapi=mydbapi,
 			vartree=self.vartree)
 
+		def eerror(lines):
+			cmd = "source '%s/isolated-functions.sh' ; " % PORTAGE_BIN_PATH
+			for line in lines:
+				cmd += "eerror \"%s\" ; " % line
+			from portage import process
+			process.spawn(["bash", "-c", cmd],
+				env=self.settings.environ())
+
 		if collisions:
+			collision_protect = "collision-protect" in self.settings.features
 			msg = "This package will overwrite one or more files that" + \
-			" may belong to other packages (see list below)." + \
-			" Add \"collision-protect\" to FEATURES in make.conf" + \
-			" if you would like the merge to abort in cases like this."
+			" may belong to other packages (see list below)."
+			if not collision_protect:
+				msg += " Add \"collision-protect\" to FEATURES in" + \
+				" make.conf if you would like the merge to abort" + \
+				" in cases like this."
 			if self.settings.get("PORTAGE_QUIET") != "1":
 				msg += " You can use a command such as" + \
 				" \\`portageq owners / <filename>\\` to identify the" + \
@@ -1828,22 +1800,52 @@ class dblink(object):
 				" completely understood the above message."
 
 			self.settings["EBUILD_PHASE"] = "preinst"
-			cmd = "source '%s/isolated-functions.sh' ; " % PORTAGE_BIN_PATH
 			from textwrap import wrap
 			msg = wrap(msg, 70)
-			for line in msg:
-				cmd += "eerror \"%s\" ; " % line
-			cmd += "eerror ; "
-			cmd += "eerror \"Detected file collision(s):\" ; "
-			cmd += "eerror ; "
+			if collision_protect:
+				msg.append("")
+				msg.append("package %s NOT merged" % self.settings.mycpv)
+			msg.append("")
+			msg.append("Detected file collision(s):")
+			msg.append("")
 
 			for f in collisions:
-				cmd += "eerror \"     '%s'\" ; " % \
-					os.path.join(destroot, f.lstrip(os.path.sep))
+				msg.append("     '%s'" % \
+					os.path.join(destroot, f.lstrip(os.path.sep)))
 
-			from portage import process
-			process.spawn(["bash", "-c", cmd],
-				env=self.settings.environ())
+			eerror(msg)
+
+			if collision_protect:
+				msg = []
+				msg.append("")
+				msg.append("Searching all installed" + \
+					" packages for file collisions...")
+				msg.append("")
+				msg.append("Press Ctrl-C to Stop")
+				msg.append("")
+				eerror(msg)
+
+				found_owner = False
+				for cpv in self.vartree.dbapi.cpv_all():
+					cat, pkg = catsplit(cpv)
+					mylink = dblink(cat, pkg, destroot, self.settings,
+						vartree=self.vartree)
+					mycollisions = []
+					for f in collisions:
+						if mylink.isowner(f, destroot):
+							mycollisions.append(f)
+					if mycollisions:
+						found_owner = True
+						msg = []
+						msg.append("%s" % cpv)
+						for f in mycollisions:
+							msg.append("\t%s" % os.path.join(destroot,
+								f.lstrip(os.path.sep)))
+						eerror(msg)
+				if not found_owner:
+					eerror(["None of the installed" + \
+						" packages claim the file(s)."])
+				return 1
 
 		# XXX: Decide how to handle failures here.
 		if a != os.EX_OK:
-- 
2.26.2