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c580ebae8d
* bootstrap.conf: Request the latest gnulib stable branch. * README.git: Recommend the argument form of autogen/autopull. * bootstrap: Import the latest version of bootstrap. * bootstrap-funclib.sh: Ditto. * autogen.sh: Ditto. * autopull.sh: Ditto.
227 lines
8.1 KiB
Bash
Executable file
227 lines
8.1 KiB
Bash
Executable file
#! /bin/sh
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# Bootstrap this package from checked-out sources.
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scriptversion=2022-12-27.07; # UTC
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# Copyright (C) 2003-2023 Free Software Foundation, Inc.
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#
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# This program 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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#
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# This program 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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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# Originally written by Paul Eggert. The canonical version of this
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# script is maintained as top/bootstrap in gnulib. However, to be
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# useful to your package, you should place a copy of it under version
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# control in the top-level directory of your package. The intent is
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# that all customization can be done with a bootstrap.conf file also
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# maintained in your version control; gnulib comes with a template
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# build-aux/bootstrap.conf to get you started.
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# Please report bugs or propose patches to bug-gnulib@gnu.org.
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me="$0"
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medir=`dirname "$me"`
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# Read the function library and the configuration.
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. "$medir"/bootstrap-funclib.sh
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usage() {
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cat <<EOF
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Usage: $me [OPTION]...
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Bootstrap this package from the checked-out sources.
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Optional environment variables:
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GNULIB_SRCDIR Specifies the local directory where gnulib
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sources reside. Use this if you already
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have gnulib sources on your machine, and
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do not want to waste your bandwidth downloading
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them again.
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GNULIB_URL Cloneable URL of the gnulib repository.
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Options:
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--pull Do phase 1: pull files from network
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--gen Do phase 2: generate from local files.
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(The default is to do both phases.)
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--gnulib-srcdir=DIRNAME specify the local directory where gnulib
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sources reside. Use this if you already
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have gnulib sources on your machine, and
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you want to use these sources. Defaults
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to \$GNULIB_SRCDIR
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--gnulib-refdir=DIRNAME specify the local directory where a gnulib
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repository (with a .git subdirectory) resides.
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Use this if you already have gnulib sources
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and history on your machine, and do not want
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to waste your bandwidth downloading them again.
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Defaults to \$GNULIB_REFDIR
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--bootstrap-sync if this bootstrap script is not identical to
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the version in the local gnulib sources,
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update this script, and then restart it with
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/bin/sh or the shell \$CONFIG_SHELL
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--no-bootstrap-sync do not check whether bootstrap is out of sync
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--copy copy files instead of creating symbolic links
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--force attempt to bootstrap even if the sources seem
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not to have been checked out
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--no-git do not use git to update gnulib. Requires that
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\$GNULIB_SRCDIR or the --gnulib-srcdir option
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points to a gnulib repository with the correct
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revision
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--skip-po do not download po files
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EOF
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bootstrap_print_option_usage_hook
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cat <<EOF
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If the file bootstrap.conf exists in the same directory as this script, its
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contents are read as shell variables to configure the bootstrap.
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For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR
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are honored.
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Gnulib sources can be fetched in various ways:
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* If the environment variable GNULIB_SRCDIR is set (either as an
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environment variable or via the --gnulib-srcdir option), then sources
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are fetched from that local directory. If it is a git repository and
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the configuration variable GNULIB_REVISION is set in bootstrap.conf,
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then that revision is checked out.
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* Otherwise, if this package is in a git repository with a 'gnulib'
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submodule configured, then that submodule is initialized and updated
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and sources are fetched from there. If GNULIB_REFDIR is set (either
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as an environment variable or via the --gnulib-refdir option) and is
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a git repository, then it is used as a reference.
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* Otherwise, if the 'gnulib' directory does not exist, Gnulib sources
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are cloned into that directory using git from \$GNULIB_URL, defaulting
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to $default_gnulib_url.
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If the configuration variable GNULIB_REVISION is set in bootstrap.conf,
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then that revision is checked out.
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* Otherwise, the existing Gnulib sources in the 'gnulib' directory are
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used. If it is a git repository and the configuration variable
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GNULIB_REVISION is set in bootstrap.conf, then that revision is
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checked out.
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If you maintain a package and want to pin a particular revision of the
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Gnulib sources that has been tested with your package, then there are
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two possible approaches: either configure a 'gnulib' submodule with the
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appropriate revision, or set GNULIB_REVISION (and if necessary
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GNULIB_URL) in bootstrap.conf.
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Running without arguments will suffice in most cases.
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EOF
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}
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# Parse options.
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# Whether to pull and generate.
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pull=false
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gen=false
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# Whether to use copies instead of symlinks.
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copy=false
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# Use git to update gnulib sources
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use_git=true
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for option
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do
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case $option in
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--help)
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usage
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exit;;
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--version)
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set -e
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echo "bootstrap $scriptversion lib $scriptlibversion"
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echo "$copyright"
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exit 0
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;;
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--pull)
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pull=true;;
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--gen)
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gen=true;;
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--gnulib-srcdir=*)
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GNULIB_SRCDIR=${option#--gnulib-srcdir=};;
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--gnulib-refdir=*)
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GNULIB_REFDIR=${option#--gnulib-refdir=};;
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--skip-po)
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SKIP_PO=t;;
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--force)
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checkout_only_file=;;
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--copy)
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copy=true;;
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--bootstrap-sync)
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bootstrap_sync=true;;
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--no-bootstrap-sync)
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bootstrap_sync=false;;
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--no-git)
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use_git=false;;
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*)
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bootstrap_option_hook $option || die "$option: unknown option";;
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esac
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done
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# Default is to do both.
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$pull || $gen || pull=true gen=true
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$use_git || test -n "$GNULIB_SRCDIR" \
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|| die "Error: --no-git requires \$GNULIB_SRCDIR environment variable or --gnulib-srcdir option"
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test -z "$GNULIB_SRCDIR" || test -d "$GNULIB_SRCDIR" \
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|| die "Error: \$GNULIB_SRCDIR environment variable or --gnulib-srcdir option is specified, but does not denote a directory"
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if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then
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die "Bootstrapping from a non-checked-out distribution is risky."
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fi
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check_build_prerequisites $use_git
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if $bootstrap_sync; then
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prepare_GNULIB_SRCDIR
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upgrade_bootstrap
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# Since we have now upgraded if needed, no need to try it a second time below.
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bootstrap_sync=false
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fi
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echo "$0: Bootstrapping from checked-out $package sources..."
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# Pass GNULIB_SRCDIR and GNULIB_REFDIR to any subsidiary commands that care.
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export GNULIB_SRCDIR
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export GNULIB_REFDIR
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if $pull && { $use_git || test -z "$SKIP_PO"; }; then
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autopull \
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`if $bootstrap_sync; then echo ' --bootstrap-sync'; else echo ' --no-bootstrap-sync'; fi` \
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`if test -z "$checkout_only_file"; then echo ' --force'; fi` \
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`if ! $use_git; then echo ' --no-git'; fi` \
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`if test -n "$SKIP_PO"; then echo ' --skip-po'; fi` \
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|| die "could not fetch auxiliary files"
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fi
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if $gen; then
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autogen \
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`if $copy; then echo ' --copy'; fi` \
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`if test -z "$checkout_only_file"; then echo ' --force'; fi` \
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|| die "could not generate auxiliary files"
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fi
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# ----------------------------------------------------------------------------
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# Local Variables:
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# eval: (add-hook 'before-save-hook 'time-stamp)
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# time-stamp-start: "scriptversion="
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# time-stamp-format: "%:y-%02m-%02d.%02H"
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# time-stamp-time-zone: "UTC0"
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# time-stamp-end: "; # UTC"
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# End:
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