[gcc r13-3998] Revert "sphinx: update baseconf.py file"

[gcc r13-3998] Revert "sphinx: update baseconf.py file"

[Martin Liska]

https://gcc.gnu.org/g:de133793c274cfd831b17bed50e7375ac4892e4b

commit r13-3998-gde133793c274cfd831b17bed50e7375ac4892e4b
Author: Martin Liska <mliska@suse.cz>
Date:   Sun Nov 13 21:59:59 2022 +0100

    Revert "sphinx: update baseconf.py file"
    
    This reverts commit 8dc319eb495d6fa742a265dfa12dc75bf3576d07.

Diff:
---
 doc/baseconf.py | 75 +++++++++++++++++++++++++++++++++------------------------
 1 file changed, 44 insertions(+), 31 deletions(-)

diff --git a/doc/baseconf.py b/doc/baseconf.py
index f80fdabc8b0..2eea8298dae 100644
--- a/doc/baseconf.py
+++ b/doc/baseconf.py
@@ -11,7 +11,7 @@
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
 import os
-import time
+import subprocess
 import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
@@ -22,16 +22,28 @@ sys.setrecursionlimit(2000)
 
 # The full version, including alpha/beta/rc tags
 
+# FIXME
 folder = os.path.dirname(os.path.realpath(__file__))
-gcc_srcdir = os.path.join(folder, '..', 'gcc')
+gcc_srcdir = os.path.join(folder, './objdir')
 
-def read_file(name):
+
+def __read_file(name):
     path = os.path.join(gcc_srcdir, name)
     if os.path.exists(path):
         return open(path).read().strip()
     else:
         return ''
 
+
+def __get_git_revision():
+    try:
+        r = subprocess.check_output('git rev-parse --short HEAD', shell=True, encoding='utf8',
+                                    stderr=subprocess.DEVNULL)
+        return r.strip()
+    except subprocess.CalledProcessError:
+        return None
+
+
 def __get_builder_name():
     if '-b' in sys.argv:
         return sys.argv[sys.argv.index('-b') + 1]
@@ -39,17 +51,15 @@ def __get_builder_name():
         return None
 
 
-gcc_BASEVER = read_file('BASE-VER')
-gcc_DEVPHASE = read_file('DEV-PHASE')
-gcc_DATESTAMP = read_file('DATESTAMP')
-gcc_REVISION = read_file('REVISION')
+gcc_BASEVER = __read_file('BASE-VER')
+gcc_DEVPHASE = __read_file('DEV-PHASE')
+gcc_DATESTAMP = __read_file('DATESTAMP')
+gcc_REVISION = __read_file('REVISION')
 
-VERSION_PACKAGE = os.getenv('VERSION_PACKAGE')
-BUGURL = os.getenv('BUGURL')
+VERSION_PACKAGE = os.getenv('VERSION_PACKAGE', '(GCC)')
+BUGURL = os.getenv('BUGURL', 'https://gcc.gnu.org/bugs/')
 MONOCHROMATIC = os.getenv('MONOCHROMATIC')
 
-YEAR = time.strftime('%Y')
-
 # The short X.Y version.
 version = gcc_BASEVER
 
@@ -70,14 +80,10 @@ needs_sphinx = '5.3'
 
 rst_epilog = '''
 .. |gcc_version| replace:: %s
-.. |needs_sphinx| replace:: %s\n
-''' % (gcc_BASEVER, needs_sphinx)
-
-if BUGURL:
-    rst_epilog += '.. |bugurl| replace:: %s\n' % BUGURL
-
-if VERSION_PACKAGE:
-    rst_epilog += '.. |package_version| replace:: %s\n' % VERSION_PACKAGE
+.. |package_version| replace:: %s
+.. |bugurl| replace:: %s
+.. |needs_sphinx| replace:: %s
+''' % (gcc_BASEVER, VERSION_PACKAGE, BUGURL, needs_sphinx)
 
 # -- General configuration ---------------------------------------------------
 
@@ -124,14 +130,18 @@ html_theme_options = {
     'navigation_with_keys': True,
 }
 
-html_logo = os.path.join(folder, 'logo.svg')
+html_logo = '../logo.svg'
 
-html_favicon = os.path.join(folder, 'favicon.ico')
+html_favicon = '../favicon.ico'
 
 html_last_updated_fmt = ''
 
+html_context = {
+    'commit': __get_git_revision()
+}
+
 html_static_path = [
-    os.path.join(folder, '_static')
+    '../_static'
 ]
 
 html_css_files = [
@@ -149,7 +159,7 @@ suppress_warnings = [
 # Use xelatex by default
 latex_engine = 'xelatex'
 
-latex_logo = os.path.join(folder, 'logo.pdf')
+latex_logo = '../logo.pdf'
 
 latex_elements = {
     'pointsize': '11pt',
@@ -171,11 +181,14 @@ OuterLinkColor={rgb}{0.0, 0.2, 0.6},
 
 latex_table_style = ['colorrows']
 
-# makeindex is much common on older systems
-latex_use_xindy = False
-
 texinfo_cross_references = False
 
+texinfo_elements = {'preamble': """
+@definfoenclose strong,*,*
+@definfoenclose emph,','
+"""
+}
+
 # Use default as RTD theme uses default as well
 pygments_style = 'bw' if MONOCHROMATIC else 'default'
 
@@ -188,13 +201,13 @@ linkcheck_ignore = [
 ]
 
 USER_LEVEL_DOCS = ('install', 'gcc', 'gfortran', 'cpp', 'gnat_rm', 'gnat_ugn',
-                   'gccgo', 'gdc', 'libgomp', 'libquadmath', 'libitm', 'libgccjit')
-INTERNAL_DOCS = ('gccint', 'cppinternals', 'gfc-internals', 'gnat-style', 'libiberty')
+                   'gccgo', 'libgomp', 'libquadmath', 'libgccjit')
+INTERNAL_DOCS = ('gccint', 'cppinternals', 'gfc-internals', 'gnat-style')
 
 # Cross manual reference mapping
 intersphinx_mapping = {}
 for manual in USER_LEVEL_DOCS + INTERNAL_DOCS:
-    intersphinx_mapping[manual] = (f'https://gcc.gnu.org/onlinedocs/{manual}/', None)
+    intersphinx_mapping[manual] = (f'https://splichal.eu/scripts/sphinx/{manual}/_build/html/', None)
 
 # Custom references
 extlinks = {
@@ -213,5 +226,5 @@ def set_common(name, module):
         module['todo_include_todos'] = True
         module['tags'].add('development')
 
-    html_theme_options['source_edit_link'] = f'https://gcc.gnu.org/onlinedocs/{name}' \
-                                               '/_sources/{filename}.txt'
+    html_theme_options['source_edit_link'] = f'https://splichal.eu/scripts/sphinx/{name}' \
+                                               '/_build/html/_sources/{filename}.txt'