From 0e7f2a581a6866b32b313c5b9e478310b72e249e Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Thu, 24 Jul 2008 23:05:25 +0000
Subject: When in background mode and there is a single failure, dump the whole
 build log for convenience.

svn path=/main/trunk/; revision=11184
---
 pym/_emerge/__init__.py | 49 ++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 40 insertions(+), 9 deletions(-)

(limited to 'pym/_emerge')

diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index cf43a9efe..fafc59f94 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -8691,6 +8691,9 @@ class Scheduler(PollScheduler):
 				kwargs.pop("short_msg", None)
 			emergelog(self.xterm_titles, *pargs, **kwargs)
 
+	class _failed_pkg(SlotObject):
+		__slots__ = ("log_path", "pkg", "returncode")
+
 	def __init__(self, settings, trees, mtimedb, myopts,
 		spinner, mergelist, favorites, digraph):
 		PollScheduler.__init__(self)
@@ -9239,8 +9242,8 @@ class Scheduler(PollScheduler):
 			if not failed_pkgs:
 				break
 
-			for failed_pkg, returncode in failed_pkgs:
-				mergelist.remove(list(failed_pkg))
+			for failed_pkg in failed_pkgs:
+				mergelist.remove(list(failed_pkg.pkg))
 
 			self._failed_pkgs_all.extend(failed_pkgs)
 			del failed_pkgs[:]
@@ -9260,7 +9263,7 @@ class Scheduler(PollScheduler):
 
 				def _eerror(lines):
 					for l in lines:
-						eerror(l, phase="other", key=failed_pkg.cpv)
+						eerror(l, phase="other", key=failed_pkg.pkg.cpv)
 
 				msg = []
 				msg.append("One or more packages have been " + \
@@ -9279,8 +9282,32 @@ class Scheduler(PollScheduler):
 
 		self._logger.log(" *** Finished. Cleaning up...")
 
+		if failed_pkgs:
+			self._failed_pkgs_all.extend(failed_pkgs)
+			del failed_pkgs[:]
+
 		background = self._background
-		if self._failed_pkgs_all and background and \
+		failure_log_shown = False
+		if background and len(self._failed_pkgs_all) == 1:
+			# If only one package failed then just show it's
+			# whole log for easy viewing.
+			failed_pkg = self._failed_pkgs_all[-1]
+			log_path = failed_pkg.log_path
+			if log_path is not None:
+				try:
+					log_file = open(log_path, 'rb')
+				except IOError:
+					pass
+				else:
+					try:
+						for line in log_file:
+							writemsg_level(line, noiselevel=-1)
+					finally:
+						log_file.close()
+					failure_log_shown = True
+
+		if background and not failure_log_shown and \
+			self._failed_pkgs_all and \
 			self._failed_pkgs_die_msgs and \
 			not _flush_elog_mod_echo():
 
@@ -9312,9 +9339,9 @@ class Scheduler(PollScheduler):
 			for line in wrap(msg, 72):
 				writemsg("%s%s\n" % (prefix, line), noiselevel=-1)
 			writemsg(prefix + "\n", noiselevel=-1)
-			for pkg, returncode in self._failed_pkgs_all:
+			for failed_pkg in self._failed_pkgs_all:
 				writemsg("%s\t%s\n" % (prefix,
-					colorize("INFORM", str(pkg))),
+					colorize("INFORM", str(failed_pkg.pkg))),
 					noiselevel=-1)
 			writemsg(prefix + "\n", noiselevel=-1)
 
@@ -9346,7 +9373,9 @@ class Scheduler(PollScheduler):
 	def _do_merge_exit(self, merge):
 		pkg = merge.merge.pkg
 		if merge.returncode != os.EX_OK:
-			self._failed_pkgs.append((pkg, merge.returncode))
+			log_path = merge.merge.settings.get("PORTAGE_LOG_FILE")
+			self._failed_pkgs.append(self._failed_pkg(
+				log_path=log_path, pkg=pkg, returncode=merge.returncode))
 			self._status_display.failed = len(self._failed_pkgs)
 			return
 
@@ -9381,7 +9410,9 @@ class Scheduler(PollScheduler):
 			self._task_queues.merge.add(merge)
 			self._status_display.merges = len(self._task_queues.merge)
 		else:
-			self._failed_pkgs.append((build.pkg, build.returncode))
+			log_path = build.settings.get("PORTAGE_LOG_FILE")
+			self._failed_pkgs.append(self._failed_pkg(
+				log_path=log_path, pkg=build.pkg, returncode=build.returncode))
 			self._status_display.failed = len(self._failed_pkgs)
 			self._deallocate_config(build.settings)
 		self._jobs -= 1
@@ -9410,7 +9441,7 @@ class Scheduler(PollScheduler):
 			self._main_loop_cleanup()
 			portage.elog._emerge_elog_listener = None
 			if failed_pkgs:
-				pkg, rval = failed_pkgs[-1]
+				rval = failed_pkgs[-1].returncode
 
 		return rval
 
-- 
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