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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import errno
import logging
import re
import stat
import subprocess
import portage
from portage import os
def chk_updated_info_files(root, infodirs, prev_mtimes):
if os.path.exists("/usr/bin/install-info"):
out = portage.output.EOutput()
regen_infodirs = []
for z in infodirs:
if z == '':
continue
inforoot = portage.util.normalize_path(root + z)
if os.path.isdir(inforoot) and \
not [x for x in os.listdir(inforoot) \
if x.startswith('.keepinfodir')]:
infomtime = os.stat(inforoot)[stat.ST_MTIME]
if inforoot not in prev_mtimes or \
prev_mtimes[inforoot] != infomtime:
regen_infodirs.append(inforoot)
if not regen_infodirs:
portage.util.writemsg_stdout("\n")
if portage.util.noiselimit >= 0:
out.einfo("GNU info directory index is up-to-date.")
else:
portage.util.writemsg_stdout("\n")
if portage.util.noiselimit >= 0:
out.einfo("Regenerating GNU info directory index...")
dir_extensions = ("", ".gz", ".bz2")
icount = 0
badcount = 0
errmsg = ""
for inforoot in regen_infodirs:
if inforoot == '':
continue
if not os.path.isdir(inforoot) or \
not os.access(inforoot, os.W_OK):
continue
file_list = os.listdir(inforoot)
file_list.sort()
dir_file = os.path.join(inforoot, "dir")
moved_old_dir = False
processed_count = 0
for x in file_list:
if x.startswith(".") or \
os.path.isdir(os.path.join(inforoot, x)):
continue
if x.startswith("dir"):
skip = False
for ext in dir_extensions:
if x == "dir" + ext or \
x == "dir" + ext + ".old":
skip = True
break
if skip:
continue
if processed_count == 0:
for ext in dir_extensions:
try:
os.rename(dir_file + ext, dir_file + ext + ".old")
moved_old_dir = True
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
del e
processed_count += 1
try:
proc = subprocess.Popen(
['/usr/bin/install-info',
'--dir-file=%s' % os.path.join(inforoot, "dir"),
os.path.join(inforoot, x)],
env=dict(os.environ, LANG="C", LANGUAGE="C"),
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
except OSError:
myso = None
else:
myso = portage._unicode_decode(
proc.communicate()[0]).rstrip("\n")
proc.wait()
existsstr = "already exists, for file `"
if myso:
if re.search(existsstr, myso):
# Already exists... Don't increment the count for this.
pass
elif myso[:44] == "install-info: warning: no info dir entry in ":
# This info file doesn't contain a DIR-header: install-info produces this
# (harmless) warning (the --quiet switch doesn't seem to work).
# Don't increment the count for this.
pass
else:
badcount += 1
errmsg += myso + "\n"
icount += 1
if moved_old_dir and not os.path.exists(dir_file):
# We didn't generate a new dir file, so put the old file
# back where it was originally found.
for ext in dir_extensions:
try:
os.rename(dir_file + ext + ".old", dir_file + ext)
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
del e
# Clean dir.old cruft so that they don't prevent
# unmerge of otherwise empty directories.
for ext in dir_extensions:
try:
os.unlink(dir_file + ext + ".old")
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
del e
#update mtime so we can potentially avoid regenerating.
prev_mtimes[inforoot] = os.stat(inforoot)[stat.ST_MTIME]
if badcount:
out.eerror("Processed %d info files; %d errors." % \
(icount, badcount))
portage.util.writemsg_level(errmsg,
level=logging.ERROR, noiselevel=-1)
else:
if icount > 0 and portage.util.noiselimit >= 0:
out.einfo("Processed %d info files." % (icount,))
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