From bf621eebc153cdadef6ef21af732691138a326e1 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 14 Oct 2012 15:57:12 -0700
Subject: chk_updated_info_files: move to separate file

---
 pym/portage/util/_info_files.py | 138 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 pym/portage/util/_info_files.py

(limited to 'pym/portage/util/_info_files.py')

diff --git a/pym/portage/util/_info_files.py b/pym/portage/util/_info_files.py
new file mode 100644
index 000000000..0e3a21027
--- /dev/null
+++ b/pym/portage/util/_info_files.py
@@ -0,0 +1,138 @@
+# 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=badcount+1
+							errmsg += myso + "\n"
+					icount=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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