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文件: /var/lib/dpkg/info/mysql-community-server.preinst
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#!/bin/bash # Copyright (c) 2015, 2024, Oracle and/or its affiliates. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License, version 2.0, # as published by the Free Software Foundation. # # This program is designed to work with certain software (including # but not limited to OpenSSL) that is licensed under separate terms, # as designated in a particular file or component or in included license # documentation. The authors of MySQL hereby grant you an additional # permission to link the program and your derivative works with the # separately licensed software that they have either included with # the program or referenced in the documentation. # # 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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA set -e case "$1" in install) # The tmpfiles.d config will fail if the user does not exist if ! getent group mysql >/dev/null; then addgroup --system mysql >/dev/null fi if ! getent passwd mysql >/dev/null; then adduser --ingroup mysql --system --disabled-login --no-create-home --home /var/lib/mysql --shell /bin/false --gecos "MySQL Server" mysql >/dev/null fi ;; upgrade) ;; abort-upgrade) ;; *) exit 1 ;; esac
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