gnulib-sync
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#! /bin/sh
# Copyright (C) 2005 Free Software Foundation, Inc.
#
# GNU Mailutils is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2, or (at
# your option) any later version.
#
# This program 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
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc.
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
LC_ALL=C
export LC_ALL
CVSFILES=cvsfiles.$$
CHANGELOG=changelog.$$
usage() {
cat <<-EOF
usage: $0 GNULIB-DIR
$0 synchronizes mailutils library with gnulib.
GNULIB-DIR is the directory where gnulib sources reside. The program
reads file gnulib.modules, populates the mailutils tree with the
necessary files from GNULIB-DIR and updates Makefile.am-s.
Options:
--verbose Display every operation
--dry-run Do not do anything, just print what would have been done
--help Display this help list
EOF
}
error() {
echo $* >&2
echo "Try $0 --help for more information" >&2
exit 1
}
DRY_RUN=
VERBOSE=
while [ $# -ne 0 ]
do
case $1 in
--help)
usage
exit 0;;
--dry-run)
DRY_RUN=1; shift;;
--verbose)
VERBOSE=1; shift;;
--*)
echo >&2 "$0: $1: unknown option"
exit 1;;
*)
break;;
esac
done
if [ $# -ne 1 ]; then
error "Wrong number of arguments"
fi
GNULIB_SRCDIR=$1
# Check the correctness of the invocation
if [ -r configure.ac ]; then
if grep -q 'AC_INIT(\[GNU Mailutils' configure.ac; then
:
else
error "This does not seem a mailutils package."
fi
else
error "Cannot find configure.ac"
fi
if [ -r gnulib.modules ]; then
:
else
error "gnulib.modules does not exist."
exit 1
fi
if [ -d $GNULIB_SRCDIR ]; then
:
else
echo "$GNULIB_SRCDIR: not found or is not a directory" >&2
exit 1
fi
<$GNULIB_SRCDIR/gnulib-tool || error "gnulib-tool is not present?!?"
#####################
## Functions
#####################
get_modules() {
while read NAME
do
case $NAME in
"") ;;
\#*) ;;
:*) variable=`echo $NAME | cut -c2-`
case $variable in
muaux|mailutils) ;;
*) echo "Unknown variable $variable" >&2
exit 1;;
esac;;
*) eval ${variable}_modules=\"\$${variable}_modules $NAME\"
esac
done < $1
}
expand_modules() {
eval gnulib_modules="\$${1}"
gnulib_modules="`echo $gnulib_modules | sort -u -`"
previous_gnulib_modules=
while [ "$gnulib_modules" != "$previous_gnulib_modules" ]
do
previous_gnulib_modules=$gnulib_modules
gnulib_modules=`(echo "$gnulib_modules"
for module in $gnulib_modules; do
$GNULIB_SRCDIR/gnulib-tool --extract-dependencies $module
done) | sort -u
`
done
eval ${1}=\"$gnulib_modules\"
}
verbose() {
[ -n "$VERBOSE" ] && echo $*
}
do_copy() {
case $1 in
*.m4) verbose "${3:-Copying} $1 to $2"
if [ -z "$DRY_RUN" ]; then
if [ -n "$3" ]; then
sed "$3" $1 > $2 || exit
else
cp $1 $2 || exit
fi
fi;;
*) verbose "Copying $1 to $2"
if [ -z "$DRY_RUN" ]; then
cp $1 $2 || exit
fi;;
esac
echo $2 >> $CVSFILES
}
# copy_files dir libname
copy_files() {
if [ $# -eq 1 ]; then
libname=$1
else
libname=$2
fi
eval list="\$${libname}_modules"
libname=lib$libname
files=`$GNULIB_SRCDIR/gnulib-tool --extract-filelist $list | sort -u`
echo "$files" | sed 's,/[^/]*$,,' | sort -u |
sed "s/lib/$1/;s/config/scripts/" |
while read DIR
do
if [ -d $DIR ]; then
:
else
echo "Directory $DIR does not exist!" >&2
echo "Update gnulib-sync script!" >&2
exit 1
fi
done
for file in $files
do
dest=`echo $file | sed "s/lib/$1/;s/config\//scripts\//"`
case $file in
m4/codeset.m4) continue;;
m4/intdiv0.m4) continue;;
m4/inttypes-pri.m4) continue;;
m4/isc-posix.m4) continue;;
m4/lcmessage.m4) continue;;
m4/onceonly_2_57.m4) dest=m4/onceonly.m4;;
# These will be overwritten by autopoint, which still uses
# old jm_.* macro names, so we have to keep both copies.
m4/gettext.m4 | m4/glibc21.m4 | m4/inttypes_h.m4 | m4/lib-ld.m4 | \
m4/lib-prefix.m4 | m4/po.m4 | m4/stdint_h.m4 | m4/uintmax_t.m4 | \
m4/longlong.m4 | m4/ulonglong.m4)
dest=`expr $file : '\(.*\).m4'`_gl.m4;;
esac
rm -f $dest &&
do_copy $GNULIB_SRCDIR/$file $dest $3
done
}
create_m4_wrapper() {
(eval list="\$${1}_modules"
libname=lib$libname
echo "AC_DEFUN([${libname}_GNULIB],["
for module in $list
do
echo "# $module"
$GNULIB_SRCDIR/gnulib-tool --extract-autoconf-snippet $module
done
echo "])") | sed '/AM_GNU_GETTEXT/d'
}
# update_makefile_am dir [libname]
update_makefile_am() {
if [ $# -eq 1 ]; then
libname=$1
else
libname=$2
fi
eval list="\$${libname}_modules"
libname=lib$libname
cat $1/Makefile.am | sed '/##:##.*##:##/,$d'
echo "##:## EOF marker for gnulib-sync script. Please, do not remove ##:##"
echo "## Do not change anything below this line ##"
$GNULIB_SRCDIR/gnulib-tool --extract-automake-snippet $list |
sed "s/lib_/${libname}_la_/g"
}
# Update EXTRA_DIST variables based on MU_LIBSOURCES and MU_LIBOBJ
# FIXME: This needs cleaning up. First, the output list should be
# filtered through `sort -u'. Secondly, the actual value of EXTRA_DIST
# must be considered too.
update_extra_dist() {
file=$1/Makefile.am
shift
# The following sed program does not work: s/[\[\]]//g. A bug in sed?
#
find m4 -name '*.m4' -not -name mu_libobj.m4 |
xargs sed -n \
'/MU_LIBSOURCES/{s/,//g;s/.*MU_LIBSOURCES *( *\[\(.*\)\]).*/\1/p;};/MU_LIBOBJ/{s/\[//g;s/\]//g;s/.*MU_LIBOBJ *(\(.*\)).*/\1.c/p;};/MU_REPLACE_FUNCS/{s/\[//g;s/\]//g;s/.*MU_REPLACE_FUNCS *(\(.*\)).*/\1.c/p;}' |
(EXTRA_DIST=
while read NAME; do EXTRA_DIST="$EXTRA_DIST $NAME"; done
if [ -n "$EXTRA_DIST" ]; then
echo "EXTRA_DIST +=$EXTRA_DIST"
fi)
}
cvs_commands() {
echo "<<<<<< Update by gnulib-sync. Please edit before applying" > $CHANGELOG
echo "" >> $CHANGELOG
echo "# CVS commands generated by gnulib-sync at `date`"
echo "# Please edit before applying"
sort $CVSFILES |
while read NAME
do
dir=`expr $NAME : '\(.*\)/.*'`
name=`expr $NAME : '.*/\(.*\)'`
if [ -r $dir/CVS/Entries ]; then
if grep -q $name $dir/CVS/Entries; then
comment="Updated"
else
comment="Added to the repository"
echo "cvs add $NAME"
fi
echo "cvs commit -m '$comment by gnulib-sync' $NAME"
echo " * $NAME: $comment" >> $CHANGELOG
fi
done
echo ">>>>>>" >> $CHANGELOG
}
cleanup() {
rm -f $CVSFILES $CHANGELOG
}
#####################
## OK, let's start!
#####################
cat /dev/null > $CVSFILES
trap cleanup 1 2 13 15
get_modules gnulib.modules
expand_modules lib_modules
expand_modules mailutils_modules
MODLIST=
for mod in $lib_modules
do
if echo "$mailutils_modules" | grep -q " $mod " -; then
:
else
MODLIST="$MODLIST $mod"
fi
done
lib_modules=`echo $MODLIST | sort -u`
mailutils_modules=`echo $mailutils_modules | sort -u`
copy_files lib muaux
copy_files mailbox mailutils 's/AC_LIBSOURCES/MU_LIBSOURCES/;s/AC_REPLACE_FUNCS/MU_REPLACE_FUNCS/;s/AC_LIBOBJ/MU_LIBOBJ/'
if [ -n "$DRY_RUN" ]; then
echo "-----BEGIN gnulib.m4 FILE-----"
create_m4_wrapper muaux
create_m4_wrapper mailutils
echo "-----END gnulib.m4 FILE-----"
echo ""
echo "-----BEGIN lib/Makefile.am FILE-----"
update_makefile_am lib muaux
echo "-----END lib/Makefile.am FILE-----"
echo ""
echo "-----BEGIN mailbox/Makefile.am FILE-----"
update_makefile_am mailbox mailutils
update_extra_dist mailbox m4/*.m4
echo "-----END mailbox/Makefile.am FILE-----"
echo "-----BEGIN CVS COMMANDS-----"
cvs_commands
echo "-----END CVS COMMANDS-----"
echo "-----BEGIN ChangeLog ENTRY-----"
cat $CHANGELOG
echo "-----END ChangeLog ENTRY-----"
else
verbose "Creating gnulib.m4"
(echo "# This file is generated automatically. Please, do not edit."
echo "#"
create_m4_wrapper muaux
create_m4_wrapper mailutils) > m4/gnulib.m4
verbose "Creating lib/Makefile.am"
update_makefile_am lib muaux > lib/Makefile.am.$$
mv lib/Makefile.am.$$ lib/Makefile.am
verbose "Creating mailbox/Makefile.am"
(update_makefile_am mailbox mailutils
update_extra_dist mailbox m4/*.m4) > mailbox/Makefile.am.$$
mv mailbox/Makefile.am.$$ mailbox/Makefile.am
cvs_commands > gnulib.cvs
mv $CHANGELOG gnulib.changelog
echo "See gnulib.cvs and gnulib.changelog"
fi
cleanup
exit 0