From 15caae0c64bd7105e3c8555b4d275ebd9e79ca65 Mon Sep 17 00:00:00 2001
From: Sven Eden <yamakuzure@gmx.net>
Date: Fri, 28 Jul 2017 08:35:36 +0200
Subject: [PATCH] Prep v234.2: Apply upstream fixes in tools (6/6)

---
 tools/gdb-sd_dump_hashmaps.py |  1 +
 tools/make-man-index.py       |  9 ++++---
 tools/make-man-rules.py       | 47 ++++++++++++++++++++++++++++++-----
 tools/xml_helper.py           |  1 +
 4 files changed, 48 insertions(+), 10 deletions(-)

diff --git a/tools/gdb-sd_dump_hashmaps.py b/tools/gdb-sd_dump_hashmaps.py
index 9ee81fb05..62ce8006f 100644
--- a/tools/gdb-sd_dump_hashmaps.py
+++ b/tools/gdb-sd_dump_hashmaps.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
 #  This file is part of systemd.
diff --git a/tools/make-man-index.py b/tools/make-man-index.py
index 396188212..d07308005 100755
--- a/tools/make-man-index.py
+++ b/tools/make-man-index.py
@@ -1,22 +1,23 @@
+#!/usr/bin/env python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
-#  This file is part of elogind.
+#  This file is part of systemd.
 #
 #  Copyright 2012 Lennart Poettering
 #  Copyright 2013 Zbigniew Jędrzejewski-Szmek
 #
-#  elogind is free software; you can redistribute it and/or modify it
+#  systemd is free software; you can redistribute it and/or modify it
 #  under the terms of the GNU Lesser General Public License as published by
 #  the Free Software Foundation; either version 2.1 of the License, or
 #  (at your option) any later version.
 #
-#  elogind is distributed in the hope that it will be useful, but
+#  systemd is distributed in the hope that it will be useful, but
 #  WITHOUT ANY WARRANTY; without even the implied warranty of
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 #  Lesser General Public License for more details.
 #
 #  You should have received a copy of the GNU Lesser General Public License
-#  along with elogind; If not, see <http://www.gnu.org/licenses/>.
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 
 import collections
 import sys
diff --git a/tools/make-man-rules.py b/tools/make-man-rules.py
index 5e61917d6..e9e39f10a 100755
--- a/tools/make-man-rules.py
+++ b/tools/make-man-rules.py
@@ -1,8 +1,9 @@
+#!/usr/bin/env python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
 #  This file is part of systemd.
 #
-#  Copyright 2013 Zbigniew Jędrzejewski-Szmek
+#  Copyright 2013, 2017 Zbigniew Jędrzejewski-Szmek
 #
 #  systemd is free software; you can redistribute it and/or modify it
 #  under the terms of the GNU Lesser General Public License as published by
@@ -21,6 +22,7 @@ from __future__ import print_function
 import collections
 import sys
 import os.path
+import pprint
 from xml_helper import *
 
 SECTION = '''\
@@ -65,11 +67,13 @@ EXTRA_DIST += \\
 	{dist_files}
 '''
 
+meson = False
+
 def man(page, number):
-    return 'man/{}.{}'.format(page, number)
+    return ('man/' if not meson else '') + '{}.{}'.format(page, number)
 
 def xml(file):
-    return 'man/{}'.format(os.path.basename(file))
+    return ('man/' if not meson else '') + os.path.basename(file)
 
 def add_rules(rules, name):
     xml = xml_parse(name)
@@ -121,9 +125,40 @@ def make_makefile(rules, dist_files):
         for conditional,rulegroup in sorted(rules.items())
         ) + FOOTER.format(dist_files=mjoin(sorted(dist_files)))
 
+MESON_HEADER = '''\
+# Do not edit. Generated by make-man-rules.py.
+manpages = ['''
+
+MESON_FOOTER = '''\
+]
+# Really, do not edit.'''
+
+def make_mesonfile(rules, dist_files):
+    # reformat rules as
+    # grouped = [ [name, section, [alias...], condition], ...]
+    #
+    # but first create a dictionary like
+    # lists = { (name, condition) => [alias...]
+    grouped = collections.defaultdict(list)
+    for condition, items in rules.items():
+        for alias, name in items.items():
+            group = grouped[(name, condition)]
+            if name != alias:
+                group.append(alias)
+
+    lines = [ [p[0][:-2], p[0][-1], sorted(a[:-2] for a in aliases), p[1]]
+              for p, aliases in sorted(grouped.items()) ]
+    return '\n'.join((MESON_HEADER, pprint.pformat(lines)[1:-1], MESON_FOOTER))
+
 if __name__ == '__main__':
-    rules = create_rules(sys.argv[1:])
-    dist_files = (xml(file) for file in sys.argv[1:]
+    meson = sys.argv[1] == '--meson'
+    pages = sys.argv[1+meson:]
+
+    rules = create_rules(pages)
+    dist_files = (xml(file) for file in pages
                   if not file.endswith(".directives.xml") and
                      not file.endswith(".index.xml"))
-    print(make_makefile(rules, dist_files), end='')
+    if meson:
+        print(make_mesonfile(rules, dist_files))
+    else:
+        print(make_makefile(rules, dist_files), end='')
diff --git a/tools/xml_helper.py b/tools/xml_helper.py
index e87126f2f..0088be5bd 100755
--- a/tools/xml_helper.py
+++ b/tools/xml_helper.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
 #  This file is part of systemd.
-- 
2.30.2