Retro68/gcc/maintainer-scripts/update_web_docs_svn
2017-10-07 02:16:47 +02:00

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#!/bin/sh
# Generate HTML documentation from GCC Texinfo docs.
#
# If you want to run this on a machine different from gcc.gnu.org, you
# may need to adjust SVNROOT and WWWBASE below (or override them via the
# environment).
set -e
# Run this from /tmp.
SVNROOT=${SVNROOT:-"file:///svn/gcc"}
export SVNROOT
PATH=/usr/local/bin:$PATH
MANUALS="cpp
cppinternals
fastjar
gcc
gccgo
gccint
gcj
gfortran
gfc-internals
gnat_ugn
gnat-style
gnat_rm
libgomp
libitm
libquadmath
libiberty
porting"
CSS=/gcc.css
WWWBASE=${WWWBASE:-"/www/gcc/htdocs"}
WWWBASE_PREFORMATTED=/www/gcc/htdocs-preformatted
WWWPREPROCESS='/www/gcc/bin/preprocess -r'
# Process options -rrelease and -ddirectory
RELEASE=""
SUBDIR=""
while [ $# -gt 0 ]; do
case $1 in
-r*)
if [ -n "$RELEASE" ]; then
echo "Multiple releases specified" >&2
exit 1
fi
RELEASE="${1#-r}"
if [ -z "$RELEASE" ]; then
shift
RELEASE="$1"
if [ -z "$RELEASE" ]; then
echo "No release specified with -r" >&2
exit 1
fi
fi
;;
-d*)
if [ -n "$SUBDIR" ]; then
echo "Multiple subdirectories specified" >&2
exit 1
fi
SUBDIR="${1#-d}"
if [ -z "$SUBDIR" ]; then
shift
SUBDIR="$1"
if [ -z "$SUBDIR" ]; then
echo "No subdirectory specified with -d" >&2
exit 1
fi
fi
;;
*)
echo "Unknown argument \"$1\"" >&2
exit 1
;;
esac
shift
done
if [ -n "$RELEASE" ] && [ -z "$SUBDIR" ]; then
echo "Release specified without subdirectory" >&2
exit 1
fi
if [ -z "$SUBDIR" ]; then
DOCSDIR=$WWWBASE/onlinedocs
else
DOCSDIR=$WWWBASE/onlinedocs/$SUBDIR
fi
if [ ! -d $WWWBASE ]; then
echo "WWW base directory \"$WWWBASE\" does not exist." >&2
exit 1
fi
if [ ! -d $DOCSDIR ]; then
mkdir $DOCSDIR
chmod g+w $DOCSDIR
fi
if [ -z "$RELEASE" ]; then
RELEASE=trunk
fi
WORKDIR=/tmp/gcc-doc-update.$$
rm -rf $WORKDIR
mkdir $WORKDIR
cd $WORKDIR
if [ "$RELEASE" = "trunk" ]; then
svn -q export $SVNROOT/$RELEASE gcc
else
svn -q export $SVNROOT/tags/$RELEASE gcc
fi
# Remove all unwanted files. This is needed to avoid packaging all the
# sources instead of only documentation sources.
# Note that we have to preserve gcc/jit/docs since the jit docs are
# not .texi files (Makefile, .rst and .png), and the jit docs use
# include directives to pull in content from jit/jit-common.h and
# jit/notes.txt, so we have to preserve those also.
find gcc -type f \( -name '*.texi' \
-o -path gcc/gcc/doc/install.texi2html \
-o -path gcc/gcc/doc/include/texinfo.tex \
-o -path gcc/gcc/BASE-VER \
-o -path gcc/gcc/DEV-PHASE \
-o -path "gcc/gcc/ada/doc/gnat_ugn/*.png" \
-o -path "gcc/gcc/jit/docs/*" \
-o -path "gcc/gcc/jit/jit-common.h" \
-o -path "gcc/gcc/jit/notes.txt" \
-o -print0 \) | xargs -0 rm -f
# Build a tarball of the sources.
tar cf docs-sources.tar gcc
# The directory to pass to -I; this is the one with texinfo.tex
# and fdl.texi.
includedir=gcc/gcc/doc/include
# Generate gcc-vers.texi.
(
echo "@set version-GCC $(cat gcc/gcc/BASE-VER)"
if [ "$(cat gcc/gcc/DEV-PHASE)" = "experimental" ]; then
echo "@set DEVELOPMENT"
else
echo "@clear DEVELOPMENT"
fi
echo "@set srcdir $WORKDIR/gcc/gcc"
echo "@set VERSION_PACKAGE (GCC)"
echo "@set BUGURL @uref{http://gcc.gnu.org/bugs/}"
) > $includedir/gcc-vers.texi
# Generate libquadmath-vers.texi.
echo "@set BUGURL @uref{http://gcc.gnu.org/bugs/}" \
> $includedir/libquadmath-vers.texi
# Now convert the relevant files from texi to HTML, PDF and PostScript.
for file in $MANUALS; do
filename=`find . -name ${file}.texi`
if [ "${filename}" ]; then
includes="-I ${includedir} -I `dirname ${filename}`"
if [ "$file" = "gnat_ugn" ]; then
includes="$includes -I gcc/gcc/ada -I gcc/gcc/ada/doc/gnat_ugn"
fi
makeinfo --html --css-ref $CSS $includes -o ${file} ${filename}
tar cf ${file}-html.tar ${file}/*.html
texi2dvi $includes -o ${file}.dvi ${filename} </dev/null >/dev/null && dvips -o ${file}.ps ${file}.dvi
texi2pdf $includes -o ${file}.pdf ${filename} </dev/null
mkdir -p $DOCSDIR/$file
fi
done
# The jit is a special-case, using sphinx rather than texinfo.
# Specifically, the jit docs need sphinx 1.0 or later.
#
# The jit/docs Makefile uses the executable $(SPHINXBUILD),
# defaulting to "sphinx-build".
#
# sphinx is packaged in Fedora and EPEL 6 within "python-sphinx",
# and in openSUSE within "python-Sphinx".
#
# For EPEL6, python-sphinx is sphinx 0.6.6, which is missing various
# directives (e.g. ":c:macro:"), so we need the variant
# python-sphinx10 package. The latter installs its executable as
# /usr/bin/sphinx-1.0-build
# so we need to override SPHINXBUILD with this when invoking "make".
pushd gcc/gcc/jit/docs
make SPHINXBUILD=/usr/bin/sphinx-1.0-build html
popd
cp -a gcc/gcc/jit/docs/_build/html jit
mkdir -p $DOCSDIR/jit
# Work around makeinfo generated file names and references with
# "_002d" instead of "-".
find . -name '*.html' | while read f; do
# Do this for the contents of each file.
sed -i -e 's/_002d/-/g' "$f"
# And rename files if necessary.
ff=`echo $f | sed -e 's/_002d/-/g'`;
if [ "$f" != "$ff" ]; then
printf "Renaming %s to %s\n" "$f" "$ff"
mv "$f" "$ff"
fi
done
# Then build a gzipped copy of each of the resulting .html, .ps and .tar files
for file in */*.html *.ps *.pdf *.tar; do
cat $file | gzip --best > $file.gz
done
# On the 15th of the month, wipe all the old files from the
# web server.
today=`date +%d`
if test $today = 15; then
find $DOCSDIR -type f -maxdepth 1 -print | grep -v index.html | xargs rm
for m in $MANUALS; do
rm -f $DOCSDIR/$m/*.html $DOCSDIR/$m/*.html.gz
done
fi
# And copy the resulting files to the web server
for file in */*.html *.ps *.pdf *.tar; do
if [ -f $DOCSDIR/$file ]; then
cat $DOCSDIR/$file |
sed -e '/^<meta name=generator/d' \
-e '/^%DVIPSSource:/d' > file1
fi
cat $file |
sed -e '/^<meta name=generator/d' \
-e '/^%DVIPSSource:/d' > file2
if cmp -s file1 file2; then
:
else
cp $file $DOCSDIR/$file
cp $file.gz $DOCSDIR/$file.gz
fi
done
# Again, the jit is a special case, with nested subdirectories
# below "jit", and with some non-HTML files (.png images from us,
# plus .css and .js supplied by sphinx, and source files, renamed
# from .rst to .txt).
find jit \
-name "*.html" -o -name "*.png" \
-o -name "*.css" -o -name "*.js" \
-o -name "*.txt" |
while read file ; do
# Note that $file here will contain path fragments beginning
# with "jit/", e.g. "jit/cp/topics/functions.html"
mkdir -p $(dirname $DOCSDIR/$file)
cp $file $DOCSDIR/$file
done
cd $DOCSDIR
# Finally, generate the installation documentation
if [ "$RELEASE" = "trunk" ]; then
SOURCEDIR=$WORKDIR/gcc/gcc/doc
DESTDIR=$WWWBASE_PREFORMATTED/install
export SOURCEDIR
export DESTDIR
$WORKDIR/gcc/gcc/doc/install.texi2html
# Preprocess the entire web site, not just the install docs!
echo "Invoking $WWWPREPROCESS"
$WWWPREPROCESS |grep -v '^ Warning: Keeping'
fi
# Clean up behind us.
rm -rf $WORKDIR