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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from __future__ import print_function
import logging
import textwrap
import portage
from portage import os
from portage.emaint.modules.logs.logs import CleanLogs
from portage.news import count_unread_news, display_news_notifications
from portage.output import colorize
from portage.util._dyn_libs.display_preserved_libs import \
display_preserved_libs
from portage.util._info_files import chk_updated_info_files
from .chk_updated_cfg_files import chk_updated_cfg_files
from .emergelog import emergelog
from ._flush_elog_mod_echo import _flush_elog_mod_echo
def clean_logs(settings):
if "clean-logs" not in settings.features:
return
logdir = settings.get("PORT_LOGDIR")
if logdir is None or not os.path.isdir(logdir):
return
cleanlogs = CleanLogs()
returncode, msgs = cleanlogs.clean(settings=settings)
if not returncode:
out = portage.output.EOutput()
for msg in msgs:
out.eerror(msg)
def display_news_notification(root_config, myopts):
if "news" not in root_config.settings.features:
return False
portdb = root_config.trees["porttree"].dbapi
vardb = root_config.trees["vartree"].dbapi
news_counts = count_unread_news(portdb, vardb)
if all(v == 0 for v in news_counts.values()):
return False
display_news_notifications(news_counts)
return True
def show_depclean_suggestion():
out = portage.output.EOutput()
msg = "After world updates, it is important to remove " + \
"obsolete packages with emerge --depclean. Refer " + \
"to `man emerge` for more information."
for line in textwrap.wrap(msg, 72):
out.ewarn(line)
def post_emerge(myaction, myopts, myfiles,
target_root, trees, mtimedb, retval):
"""
Misc. things to run at the end of a merge session.
Update Info Files
Update Config Files
Update News Items
Commit mtimeDB
Display preserved libs warnings
@param myaction: The action returned from parse_opts()
@type myaction: String
@param myopts: emerge options
@type myopts: dict
@param myfiles: emerge arguments
@type myfiles: list
@param target_root: The target EROOT for myaction
@type target_root: String
@param trees: A dictionary mapping each ROOT to it's package databases
@type trees: dict
@param mtimedb: The mtimeDB to store data needed across merge invocations
@type mtimedb: MtimeDB class instance
@param retval: Emerge's return value
@type retval: Int
"""
root_config = trees[target_root]["root_config"]
vardbapi = trees[target_root]['vartree'].dbapi
settings = vardbapi.settings
info_mtimes = mtimedb["info"]
# Load the most current variables from ${ROOT}/etc/profile.env
settings.unlock()
settings.reload()
settings.regenerate()
settings.lock()
config_protect = portage.util.shlex_split(
settings.get("CONFIG_PROTECT", ""))
infodirs = settings.get("INFOPATH","").split(":") + \
settings.get("INFODIR","").split(":")
os.chdir("/")
if retval == os.EX_OK:
exit_msg = " *** exiting successfully."
else:
exit_msg = " *** exiting unsuccessfully with status '%s'." % retval
emergelog("notitles" not in settings.features, exit_msg)
_flush_elog_mod_echo()
if not vardbapi._pkgs_changed:
# GLEP 42 says to display news *after* an emerge --pretend
if "--pretend" in myopts:
display_news_notification(root_config, myopts)
# If vdb state has not changed then there's nothing else to do.
return
vdb_path = os.path.join(root_config.settings['EROOT'], portage.VDB_PATH)
portage.util.ensure_dirs(vdb_path)
vdb_lock = None
if os.access(vdb_path, os.W_OK) and not "--pretend" in myopts:
vardbapi.lock()
vdb_lock = True
if vdb_lock:
try:
if "noinfo" not in settings.features:
chk_updated_info_files(target_root,
infodirs, info_mtimes)
mtimedb.commit()
finally:
if vdb_lock:
vardbapi.unlock()
# Explicitly load and prune the PreservedLibsRegistry in order
# to ensure that we do not display stale data.
vardbapi._plib_registry.load()
if vardbapi._plib_registry.hasEntries():
if "--quiet" in myopts:
print()
print(colorize("WARN", "!!!") + " existing preserved libs found")
else:
print()
print(colorize("WARN", "!!!") + " existing preserved libs:")
display_preserved_libs(vardbapi)
print("Use " + colorize("GOOD", "emerge @preserved-rebuild") +
" to rebuild packages using these libraries")
chk_updated_cfg_files(settings['EROOT'], config_protect)
display_news_notification(root_config, myopts)
postemerge = os.path.join(settings["PORTAGE_CONFIGROOT"],
portage.USER_CONFIG_PATH, "bin", "post_emerge")
if os.access(postemerge, os.X_OK):
hook_retval = portage.process.spawn(
[postemerge], env=settings.environ())
if hook_retval != os.EX_OK:
portage.util.writemsg_level(
" %s spawn failed of %s\n" %
(colorize("BAD", "*"), postemerge,),
level=logging.ERROR, noiselevel=-1)
clean_logs(settings)
if "--quiet" not in myopts and \
myaction is None and "@world" in myfiles:
show_depclean_suggestion()
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