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* README.git: Document the changes. * bootstrap.conf: Set GNULIB_REVISION to avoid random updates. * configure.ac: Set the minimum autoconf version back to 2.69: that's the most common version deployed today, and it still works. * bootstrap: Copy the latest from gnulib. * autogen.sh: Ditto. * autopull.sh: Ditto. * bootstrap-funclib.sh: Ditto.
274 lines
9.8 KiB
Bash
Executable File
274 lines
9.8 KiB
Bash
Executable File
#!/bin/sh
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# Convenience script for fetching auxiliary files that are omitted from
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# the version control repository of this package.
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# Copyright (C) 2003-2022 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/autopull.sh 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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#
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# Alternatively, you can use an autopull.sh script that is specific
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# to your package.
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scriptversion=2022-07-24.15; # UTC
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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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# Ensure that CDPATH is not set. Otherwise, the output from cd
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# would cause trouble in at least one use below.
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(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
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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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you want to use these sources.
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GNULIB_REFDIR Specifies 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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GNULIB_URL Cloneable URL of the gnulib repository.
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Options:
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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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--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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# 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 "autopull.sh $scriptversion"
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echo "$copyright"
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exit 0
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;;
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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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--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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$use_git || test -n "$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 "Running this script 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 $use_gnulib || $bootstrap_sync; then
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prepare_GNULIB_SRCDIR
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if $bootstrap_sync; then
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upgrade_bootstrap
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fi
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fi
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# Find sha1sum, named gsha1sum on MacPorts, shasum on Mac OS X 10.6.
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# Also find the compatible sha1 utility on the BSDs
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if test x"$SKIP_PO" = x; then
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find_tool SHA1SUM sha1sum gsha1sum shasum sha1
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fi
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# See if we can use gnulib's git-merge-changelog merge driver.
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if $use_git && test -d .git && check_exists git; then
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if git config merge.merge-changelog.driver >/dev/null ; then
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:
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elif check_exists git-merge-changelog; then
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echo "$0: initializing git-merge-changelog driver"
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git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver'
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git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B'
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else
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echo "$0: consider installing git-merge-changelog from gnulib"
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fi
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fi
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# ----------------------------- Get translations. -----------------------------
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download_po_files() {
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subdir=$1
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domain=$2
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echo "$me: getting translations into $subdir for $domain..."
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cmd=$(printf "$po_download_command_format" "$subdir" "$domain")
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eval "$cmd"
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}
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# Mirror .po files to $po_dir/.reference and copy only the new
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# or modified ones into $po_dir. Also update $po_dir/LINGUAS.
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# Note po files that exist locally only are left in $po_dir but will
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# not be included in LINGUAS and hence will not be distributed.
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update_po_files() {
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# Directory containing primary .po files.
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# Overwrite them only when we're sure a .po file is new.
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po_dir=$1
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domain=$2
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# Mirror *.po files into this dir.
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# Usually contains *.s1 checksum files.
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ref_po_dir="$po_dir/.reference"
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test -d $ref_po_dir || mkdir $ref_po_dir || return
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download_po_files $ref_po_dir $domain \
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&& ls "$ref_po_dir"/*.po 2>/dev/null |
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sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS" || return
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langs=$(cd $ref_po_dir && echo *.po | sed 's/\.po//g')
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test "$langs" = '*' && langs=x
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for po in $langs; do
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case $po in x) continue;; esac
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new_po="$ref_po_dir/$po.po"
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cksum_file="$ref_po_dir/$po.s1"
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if ! test -f "$cksum_file" ||
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! test -f "$po_dir/$po.po" ||
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! $SHA1SUM -c "$cksum_file" < "$new_po" > /dev/null 2>&1; then
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echo "$me: updated $po_dir/$po.po..."
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cp "$new_po" "$po_dir/$po.po" \
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&& $SHA1SUM < "$new_po" > "$cksum_file" || return
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fi
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done
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}
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case $SKIP_PO in
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'')
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if test -d po; then
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update_po_files po $package || exit
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fi
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if test -d runtime-po; then
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update_po_files runtime-po $package-runtime || exit
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fi;;
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esac
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# -----------------------------------------------------------------------------
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bootstrap_post_pull_hook \
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|| die "bootstrap_post_pull_hook failed"
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# Don't proceed if there are uninitialized submodules. In particular,
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# autogen.sh will remove dangling links, which might be links into
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# uninitialized submodules.
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# But it's OK if the 'gnulib' submodule is uninitialized, as long as
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# GNULIB_SRCDIR is set.
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if $use_git; then
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# Uninitialized submodules are listed with an initial dash.
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uninitialized=`git submodule | grep '^-' | awk '{ print $2 }'`
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if test -n "$GNULIB_SRCDIR"; then
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uninitialized=`echo "$uninitialized" | grep -v '^gnulib$'`
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fi
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if test -n "$uninitialized"; then
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die "Some git submodules are not initialized: "`echo "$uninitialized" | tr '\n' ',' | sed -e 's|,$|.|'`" Either use option '--no-git', or run 'git submodule update --init' and bootstrap again."
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fi
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fi
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echo "$0: done. Now you can run './autogen.sh'."
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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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