From: Zac Medico <zmedico@gentoo.org>
Date: Tue, 2 Mar 2010 20:17:08 +0000 (-0000)
Subject: Bug #304981 - Truncate the build log after successful fetch, instead of
X-Git-Tag: v2.1.8~143
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=2e4455de659a26819c348903130f651dc6faf40c;p=portage.git

Bug #304981 - Truncate the build log after successful fetch, instead of
removing it, so as not to interfere with tail -f. (trunk r15352)

svn path=/main/branches/2.1.7/; revision=15579
---

diff --git a/pym/_emerge/EbuildBuildDir.py b/pym/_emerge/EbuildBuildDir.py
index e501357e7..99c48dfb6 100644
--- a/pym/_emerge/EbuildBuildDir.py
+++ b/pym/_emerge/EbuildBuildDir.py
@@ -63,10 +63,11 @@ class EbuildBuildDir(SlotObject):
 	def clean_log(self):
 		"""Discard existing log."""
 		settings = self.settings
-
-		for x in ('.logid', 'temp/build.log'):
+		log_file = settings.get('PORTAGE_LOG_FILE')
+		if log_file is not None and os.path.isfile(log_file):
+			# Truncate rather than unlink, so tail -f still works.
 			try:
-				os.unlink(os.path.join(settings["PORTAGE_BUILDDIR"], x))
+				open(log_file, 'wb')
 			except OSError:
 				pass