From bb6b52b7d0dff0103cedbf3c13e81e3382cea86b Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sat, 2 Dec 2006 06:18:17 +0000
Subject: Avoid checking the same Manifest several times in a row during a
 regen with an empty cache.

svn path=/main/trunk/; revision=5153
---
 pym/portage.py | 42 ++++++++++++++++++++++++------------------
 1 file changed, 24 insertions(+), 18 deletions(-)

diff --git a/pym/portage.py b/pym/portage.py
index 1bad4ebd6..8d5e6ff5a 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -2972,6 +2972,7 @@ def prepare_build_dirs(myroot, mysettings, cleanup):
 		del logid_path, logid_time
 
 _doebuild_manifest_exempt_depend = False
+_doebuild_manifest_checked = None
 
 def doebuild(myebuild, mydo, myroot, mysettings, debug=0, listonly=0,
 	fetchonly=0, cleanup=0, dbkey=None, use_cache=1, fetchall=0, tree=None,
@@ -3021,24 +3022,29 @@ def doebuild(myebuild, mydo, myroot, mysettings, debug=0, listonly=0,
 		# Always verify the ebuild checksums before executing it.
 		pkgdir = os.path.dirname(myebuild)
 		manifest_path = os.path.join(pkgdir, "Manifest")
-		if not os.path.exists(manifest_path):
-			writemsg("!!! Manifest file not found: '%s'\n" % manifest_path,
-				noiselevel=-1)
-			return 1
-		mf = Manifest(pkgdir, mysettings["DISTDIR"])
-		try:
-			mf.checkTypeHashes("EBUILD")
-		except portage_exception.FileNotFound, e:
-			writemsg("!!! A file listed in the Manifest " + \
-				"could not be found: %s\n" % str(e), noiselevel=-1)
-			return 1
-		except portage_exception.DigestException, e:
-			writemsg("!!! Digest verification failed:\n", noiselevel=-1)
-			writemsg("!!! %s\n" % e.value[0], noiselevel=-1)
-			writemsg("!!! Reason: %s\n" % e.value[1], noiselevel=-1)
-			writemsg("!!! Got: %s\n" % e.value[2], noiselevel=-1)
-			writemsg("!!! Expected: %s\n" % e.value[3], noiselevel=-1)
-			return 1
+		global _doebuild_manifest_checked
+		# Avoid checking the same Manifest several times in a row during a
+		# regen with an empty cache.
+		if _doebuild_manifest_checked != manifest_path:
+			if not os.path.exists(manifest_path):
+				writemsg("!!! Manifest file not found: '%s'\n" % manifest_path,
+					noiselevel=-1)
+				return 1
+			mf = Manifest(pkgdir, mysettings["DISTDIR"])
+			try:
+				mf.checkTypeHashes("EBUILD")
+			except portage_exception.FileNotFound, e:
+				writemsg("!!! A file listed in the Manifest " + \
+					"could not be found: %s\n" % str(e), noiselevel=-1)
+				return 1
+			except portage_exception.DigestException, e:
+				writemsg("!!! Digest verification failed:\n", noiselevel=-1)
+				writemsg("!!! %s\n" % e.value[0], noiselevel=-1)
+				writemsg("!!! Reason: %s\n" % e.value[1], noiselevel=-1)
+				writemsg("!!! Got: %s\n" % e.value[2], noiselevel=-1)
+				writemsg("!!! Expected: %s\n" % e.value[3], noiselevel=-1)
+				return 1
+			_doebuild_manifest_checked = manifest_path
 
 	doebuild_environment(myebuild, mydo, myroot, mysettings, debug,
 		use_cache, mydbapi)
-- 
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