From: Sebastian Luther <SebastianLuther@gmx.de>
Date: Fri, 29 Nov 2013 18:02:21 +0000 (+0100)
Subject: egencache: --write-timestamp to create metadata/timestamp.chk
X-Git-Tag: v2.2.8~38
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=c145e3cfcc016694f76488c21caaae37e3f3664e;p=portage.git

egencache: --write-timestamp to create metadata/timestamp.chk

This is required to sync repositories using rsnyc.

URL: https://bugs.gentoo.org/488972
---

diff --git a/bin/egencache b/bin/egencache
index 54c517e1d..915adc847 100755
--- a/bin/egencache
+++ b/bin/egencache
@@ -48,6 +48,7 @@ portage._internal_caller = True
 from portage import os, _encodings, _unicode_encode, _unicode_decode
 from _emerge.MetadataRegen import MetadataRegen
 from portage.cache.cache_errors import CacheError, StatCollision
+from portage.const import TIMESTAMP_FORMAT
 from portage.manifest import guessManifestFileType
 from portage.package.ebuild._parallel_manifest.ManifestScheduler import ManifestScheduler
 from portage.util import cmp_sort_key, writemsg_level
@@ -133,6 +134,9 @@ def parse_args(args):
 	common.add_argument("--ignore-default-opts",
 		action="store_true",
 		help="do not use the EGENCACHE_DEFAULT_OPTS environment variable")
+	common.add_argument("--write-timestamp",
+		action="store_true",
+		help="write metdata/timestamp.chk as required for rsync repositories")
 
 	update = parser.add_argument_group('--update options')
 	update.add_argument("--cache-dir",
@@ -1063,6 +1067,16 @@ def egencache_main(args):
 		gen_clogs.run()
 		ret.append(gen_clogs.returncode)
 
+	if options.write_timestamp:
+		timestamp_path = os.path.join(repo_path, 'metadata', 'timestamp.chk')
+		try:
+			with open(timestamp_path, 'w') as f:
+				f.write(time.strftime('%s\n' % TIMESTAMP_FORMAT, time.gmtime()))
+		except IOError:
+			ret.append(os.EX_IOERR)
+		else:
+			ret.append(os.EX_OK)
+
 	return max(ret)
 
 if __name__ == "__main__":
diff --git a/pym/portage/const.py b/pym/portage/const.py
index 214ede414..b2e970eb7 100644
--- a/pym/portage/const.py
+++ b/pym/portage/const.py
@@ -175,6 +175,10 @@ if "PORTAGE_OVERRIDE_EPREFIX" in os.environ:
 VCS_DIRS = ("CVS", "RCS", "SCCS", ".bzr", ".git", ".hg", ".svn")
 
 SUPPORTED_BINPKG_FORMATS = ("tar", "rpm")
+
+# Time formats used in various places like metadata.chk.
+TIMESTAMP_FORMAT = "%a, %d %b %Y %H:%M:%S +0000"	# to be used with time.gmtime()
+
 # ===========================================================================
 # END OF CONSTANTS -- END OF CONSTANTS -- END OF CONSTANTS -- END OF CONSTANT
 # ===========================================================================