emerge: add --quiet-fail for bug #440982

3 files changed, 21 insertions, 3 deletions

diff --git a/man/emerge.1 b/man/emerge.1
index a6c20a99d..850a2414b 100644
--- a/man/emerge.1
+++ b/man/emerge.1
@@ -1,4 +1,4 @@
-.TH "EMERGE" "1" "Oct 2012" "Portage VERSION" "Portage"
+.TH "EMERGE" "1" "Nov 2012" "Portage VERSION" "Portage"
 .SH "NAME"
 emerge \- Command\-line interface to the Portage system
 .SH "SYNOPSIS"
@@ -635,7 +635,8 @@ output from portage's displays.
 .BR "\-\-quiet\-build [ y | n ]"
 Redirect all build output to logs alone, and do not display it on
 stdout. If a build failure occurs for a single package, the build
-log will be automatically displayed on stdout. If there are multiple
+log will be automatically displayed on stdout (unless the
+\fI\-\-quiet\-fail\fR option is enabled). If there are multiple
 build failures (due to options like \-\-keep\-going or \-\-jobs),
 then the content of the log files will not be displayed, and instead
 the paths of the log files will be displayed together with the
@@ -644,6 +645,12 @@ Note that interactive packages currently force all build output to
 be displayed on stdout. This issue can be temporarily avoided
 by specifying \fI\-\-accept\-properties=\-interactive\fR.
 .TP
+.BR "\-\-quiet\-fail [ y | n ]"
+Suppresses display of the build log on stdout when build output is hidden
+due to options such as \fI\-\-jobs\fR, \fI\-\-quiet\fR, or
+\fI\-\-quiet\-build\fR. Only the die message and the path of the build log
+will be displayed on stdout.
+.TP
 .BR "\-\-quiet\-repo\-display"
 In the package merge list display, suppress ::repository output, and
 instead use numbers to indicate which repositories package come from.
diff --git a/pym/_emerge/Scheduler.py b/pym/_emerge/Scheduler.py
index 708af12c6..6a494970e 100644
--- a/pym/_emerge/Scheduler.py
+++ b/pym/_emerge/Scheduler.py
@@ -1065,7 +1065,8 @@ class Scheduler(PollScheduler):
 		printer = portage.output.EOutput()
 		background = self._background
 		failure_log_shown = False
-		if background and len(self._failed_pkgs_all) == 1:
+		if background and len(self._failed_pkgs_all) == 1 and \
+			self.myopts.get('--quiet-fail', 'n') != 'y':
 			# If only one package failed then just show it's
 			# whole log for easy viewing.
 			failed_pkg = self._failed_pkgs_all[-1]
diff --git a/pym/_emerge/main.py b/pym/_emerge/main.py
index be5a5cad4..cdadbecf4 100644
--- a/pym/_emerge/main.py
+++ b/pym/_emerge/main.py
@@ -139,6 +139,7 @@ def insert_optional_args(args):
 		'--package-moves'        : y_or_n,
 		'--quiet'                : y_or_n,
 		'--quiet-build'          : y_or_n,
+		'--quiet-fail'           : y_or_n,
 		'--rebuild-if-new-slot': y_or_n,
 		'--rebuild-if-new-rev'   : y_or_n,
 		'--rebuild-if-new-ver'   : y_or_n,
@@ -541,6 +542,12 @@ def parse_opts(tmpcmdline, silent=False):
 			"choices"  : true_y_or_n,
 		},
 
+		"--quiet-fail": {
+			"help"     : "suppresses display of the build log on stdout",
+			"type"     : "choice",
+			"choices"  : true_y_or_n,
+		},
+
 		"--rebuild-if-new-slot": {
 			"help"     : ("Automatically rebuild or reinstall packages when slot/sub-slot := "
 				"operator dependencies can be satisfied by a newer slot, so that "
@@ -782,6 +789,9 @@ def parse_opts(tmpcmdline, silent=False):
 	if myoptions.quiet_build in true_y:
 		myoptions.quiet_build = 'y'
 
+	if myoptions.quiet_fail in true_y:
+		myoptions.quiet_fail = 'y'
+
 	if myoptions.rebuild_if_new_slot in true_y:
 		myoptions.rebuild_if_new_slot = 'y'