Add force-mirror FEATURE.

pym/portage/const.py

 # portage: Constants
 # Copyright 1998-2010 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 import os
 
 # ===========================================================================
 # START OF CONSTANTS -- START OF CONSTANTS -- START OF CONSTANTS -- START OF
 # ===========================================================================
 
@@ skipping 70 matching lines @@
                            "CONFIG_PROTECT_MASK", "CONFIG_PROTECT",
                            "PRELINK_PATH", "PRELINK_PATH_MASK",
                            "PROFILE_ONLY_VARIABLES")
 EBUILD_PHASES            = ("pretend", "setup", "unpack", "prepare", "configure",
                            "compile", "test", "install",
                            "package", "preinst", "postinst","prerm", "postrm",
                            "nofetch", "config", "info", "other")
 SUPPORTED_FEATURES       = frozenset([
                            "assume-digests", "binpkg-logs", "buildpkg", "buildsyspkg", "candy",
                            "ccache", "chflags", "collision-protect", "compress-build-logs",
-                           "digest", "distcc", "distlocks",
-                           "fakeroot", "fail-clean", "fixpackages", "getbinpkg",
+                           "digest", "distcc", "distlocks", "fakeroot",
+                           "fail-clean", "fixpackages", "force-mirror", "getbinpkg",
                            "installsources", "keeptemp", "keepwork", "fixlafiles", "lmirror",
                            "metadata-transfer", "mirror", "multilib-strict", "news",
                            "noauto", "noclean", "nodoc", "noinfo", "noman", "nostrip",
                            "notitles", "no-env-update", "parallel-fetch", "parse-eapi-ebuild-head",
                            "prelink-checksums", "preserve-libs",
                            "protect-owned", "python-trace", "sandbox",
                            "selinux", "sesandbox", "severe", "sfperms",
                            "sign", "skiprocheck", "split-elog", "split-log", "splitdebug",
                            "strict", "stricter", "suidctl", "test", "test-fail-continue",
                            "unknown-features-filter", "unknown-features-warn",
@@ skipping 26 matching lines @@
 # The definitions above will differ between branches, so it's useful to have
 # common lines of diff context here in order to avoid merge conflicts.
 
 if not _ENABLE_PRESERVE_LIBS:
         SUPPORTED_FEATURES = set(SUPPORTED_FEATURES)
         SUPPORTED_FEATURES.remove("preserve-libs")
         SUPPORTED_FEATURES = frozenset(SUPPORTED_FEATURES)
 
 if not _ENABLE_SET_CONFIG:
         WORLD_SETS_FILE = '/dev/null'