mirror of
https://git.savannah.gnu.org/git/emacs.git
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388 lines
8.9 KiB
Bash
Executable File
388 lines
8.9 KiB
Bash
Executable File
#!/bin/bash
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### update_autogen - update some auto-generated files in the Emacs tree
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## Copyright (C) 2011-2015 Free Software Foundation, Inc.
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## Author: Glenn Morris <rgm@gnu.org>
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## This file is part of GNU Emacs.
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## GNU Emacs is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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## GNU Emacs is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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## You should have received a copy of the GNU General Public License
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## along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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### Commentary:
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## This is a helper script to update some generated files in the Emacs
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## repository. This is suitable for running from cron.
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## Only Emacs maintainers need use this, so it uses bash features.
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##
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## By default, it updates the versioned loaddefs-like files in lisp,
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## except ldefs-boot.el.
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### Code:
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die () # write error to stderr and exit
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{
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[ $# -gt 0 ] && echo "$PN: $@" >&2
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exit 1
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}
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PN=${0##*/} # basename of script
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PD=${0%/*}
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[ "$PD" = "$0" ] && PD=. # if PATH includes PWD
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## This should be the admin directory.
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cd $PD
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cd ../
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[ -d admin ] || die "Could not locate admin directory"
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if [ -d .bzr ]; then
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vcs=bzr
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elif [ -d .git ]; then
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vcs=git
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else
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die "Cannot determine vcs"
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fi
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usage ()
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{
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cat 1>&2 <<EOF
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Usage: ${PN} [-f] [-c] [-q] [-A dir] [-I] [-L] [-C] [-- make-flags]
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Update some auto-generated files in the Emacs tree.
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By default, only does the versioned loaddefs-like files in lisp/.
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This requires a build. Passes any non-option args to make (eg -- -j2).
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Options:
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-f: force an update even if the source files are locally modified.
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-c: if the update succeeds and the generated files are modified,
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commit them (caution).
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-q: be quiet; only give error messages, not status messages.
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-A: only update autotools files, copying into specified dir.
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-I: also update info/dir.
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-L: also update ldefs-boot.el.
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-C: start from a clean state. Slower, but more correct.
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EOF
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exit 1
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}
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## Defaults.
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force=
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commit=
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quiet=
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clean=
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autogendir= # was "autogen"
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ldefs_flag=1
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lboot_flag=
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info_flag=
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## Parameters.
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ldefs_in=lisp/loaddefs.el
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ldefs_out=lisp/ldefs-boot.el
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sources="configure.ac lib/Makefile.am"
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## Files to copy into autogendir.
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## Everything:
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genfiles="
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configure aclocal.m4 src/config.in lib/Makefile.in
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build-aux/compile build-aux/config.guess build-aux/config.sub
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build-aux/depcomp build-aux/install-sh build-aux/missing
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"
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## msdos-only:
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genfiles="src/config.in lib/Makefile.in"
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for g in $genfiles; do
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basegen="$basegen ${g##*/}"
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done
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[ "$basegen" ] || die "internal error"
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tempfile=/tmp/$PN.$$
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trap "rm -f $tempfile 2> /dev/null" EXIT
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while getopts ":hcfqA:CIL" option ; do
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case $option in
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(h) usage ;;
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(c) commit=1 ;;
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(f) force=1 ;;
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(q) quiet=1 ;;
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(A) autogendir=$OPTARG
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[ -d "$autogendir" ] || die "No autogen directory: $autogendir"
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;;
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(C) clean=1 ;;
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(I) info_flag=1 ;;
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(L) lboot_flag=1 ;;
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(\?) die "Bad option -$OPTARG" ;;
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(:) die "Option -$OPTARG requires an argument" ;;
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(*) die "getopts error" ;;
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esac
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done
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shift $(( --OPTIND ))
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OPTIND=1
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## Does not work 100% because a lot of Emacs batch output comes on stderr (?).
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[ "$quiet" ] && exec 1> /dev/null
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## Run status on inputs, list modified files on stdout.
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status ()
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{
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local statflag="-S"
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[ "$vcs" = "git" ] && statflag="-s"
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$vcs status $statflag "$@" >| $tempfile || die "$vcs status error for $@"
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local stat file modified
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while read stat file; do
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[ "$stat" != "M" ] && \
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die "Unexpected status ($stat) for generated $file"
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modified="$modified $file"
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done < $tempfile
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echo "$modified"
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return 0
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} # function status
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echo "Checking input file status..."
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## The lisp portion could be more permissive, eg only care about .el files.
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modified=$(status ${autogendir:+$sources} ${ldefs_flag:+lisp} ${info_flag:+doc}) || die
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[ "$modified" ] && {
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echo "Locally modified: $modified"
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[ "$force" ] || die "There are local modifications"
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}
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## Probably this is overkill, and there's no need to "bootstrap" just
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## for making autoloads.
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[ "$clean" ] && {
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echo "Running 'make maintainer-clean'..."
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make maintainer-clean #|| die "Cleaning error"
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rm -f $ldefs_in
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}
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echo "Running autoreconf..."
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autoreconf ${clean:+-f} -i -I m4 2>| $tempfile
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retval=$?
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## Annoyingly, autoreconf puts the "installing `./foo' messages on stderr.
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if [ "$quiet" ]; then
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grep -v 'installing `\.' $tempfile 1>&2
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else
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cat "$tempfile" 1>&2
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fi
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[ $retval -ne 0 ] && die "autoreconf error"
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## Uses global $commit.
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commit ()
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{
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local type=$1
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shift
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[ $# -gt 0 ] || {
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echo "No files were modified"
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return 0
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}
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echo "Modified file(s): $@"
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[ "$commit" ] || return 0
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echo "Committing..."
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$vcs commit -m "# Auto-commit of $type files." "$@" || return $?
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[ "$vcs" = "git" ] && {
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$vcs push || return $?
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}
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echo "Committed files: $@"
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} # function commit
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## No longer used since info/dir is now generated at install time if needed,
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## and is not in the repository any more.
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info_dir ()
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{
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local basefile=build-aux/dir_top outfile=info/dir
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echo "Regenerating info/dir..."
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## Header contains non-printing characters, so this is more
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## reliable than using echo.
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rm -f $outfile
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cp $basefile $outfile
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local topic file dircat dirent
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## FIXME inefficient looping.
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for topic in "Texinfo documentation system" "Emacs" "GNU Emacs Lisp" \
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"Emacs editing modes" "Emacs network features" "Emacs misc features" \
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"Emacs lisp libraries"; do
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cat - <<EOF >> $outfile
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$topic
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EOF
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## Bit faster than doc/*/*.texi.
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for file in doc/emacs/emacs.texi doc/lispintro/*.texi \
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doc/lispref/elisp.texi doc/misc/*.texi; do
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## FIXME do not ignore w32 if OS is w32.
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case $file in
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*-xtra.texi|*efaq-w32.texi) continue ;;
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esac
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dircat=$(sed -n -e 's/@value{emacsname}/Emacs/' -e 's/^@dircategory //p' $file)
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## TODO warn about unknown topics (check-info in top-level
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## Makefile does this).
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[ "$dircat" = "$topic" ] || continue
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sed -n -e 's/@value{emacsname}/Emacs/' \
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-e 's/@acronym{\([A-Z]*\)}/\1/' \
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-e '/^@direntry/,/^@end direntry/ s/^\([^@]\)/\1/p' \
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$file >> $outfile
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done
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done
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local modified
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modified=$(status $outfile) || die
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commit "info/dir" $modified || die "commit error"
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} # function info_dir
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[ "$autogendir" ] && {
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oldpwd=$PWD
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cp $genfiles $autogendir/
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cd $autogendir || die "cd error for $autogendir"
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echo "Checking status of generated files..."
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modified=$(status $basegen) || die
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commit "generated" $modified || die "commit error"
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exit 0
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} # $autogendir
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[ "$info_flag" ] && info_dir
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[ "$ldefs_flag" ] || exit 0
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echo "Finding loaddef targets..."
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find lisp -name '*.el' -exec grep '^;.*generated-autoload-file:' {} + | \
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sed -e '/loaddefs\|esh-groups/d' -e 's|/[^/]*: "|/|' -e 's/"//g' \
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>| $tempfile || die "Error finding targets"
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genfiles=
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while read genfile; do
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## Or we can just use sort -u when making tempfile...
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case " $genfiles " in
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*" $genfile "*) continue ;;
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esac
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[ -r $genfile ] || die "Unable to read $genfile"
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genfiles="$genfiles $genfile"
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done < $tempfile
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[ "$genfiles" ] || die "Error setting genfiles"
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[ -e Makefile ] || {
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echo "Running ./configure..."
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## Minimize required packages.
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./configure --without-x || die "configure error"
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}
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## Build the minimum needed to get the autoloads.
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echo "Running lib/ make..."
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make -C lib "$@" all || die "make lib error"
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echo "Running src/ make..."
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make -C src "$@" bootstrap-emacs || die "make src error"
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echo "Running lisp/ make..."
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make -C lisp "$@" autoloads EMACS=../src/bootstrap-emacs || die "make src error"
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## Ignore comment differences.
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[ ! "$lboot_flag" ] || \
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diff -q -I '^;' $ldefs_in $ldefs_out || \
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cp $ldefs_in $ldefs_out || die "cp ldefs_boot error"
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echo "Checking status of loaddef files..."
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## It probably would be fine to just check+commit lisp/, since
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## making autoloads should not effect any other files. But better
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## safe than sorry.
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modified=$(status $genfiles $ldefs_out) || die
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commit "loaddefs" $modified || die "commit error"
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exit 0
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### update_autogen ends here
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