Marc S. Weidner
60374476ab
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
34 lines
1.2 KiB
Bash
34 lines
1.2 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
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# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
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# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-FileType: SOURCE
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# SPDX-License-Identifier: LicenseRef-CNCL-1.1 OR LicenseRef-CCLA-1.1
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# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
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# SPDX-PackageName: CISS.debian.live.builder
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# SPDX-Security-Contact: security@coresecret.eu
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#######################################
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# Prevents the file to be sourced twice.
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# Globals:
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# None
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# Arguments:
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# 1: File to source.
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#######################################
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source_guard() {
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declare var_file="${1}"
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declare var_name="${var_file##*/}"
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declare var_guard="_${var_name//[^a-zA-Z0-9_]/_}_LOADED"
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if ! declare -p "${var_guard}" &>/dev/null; then
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# shellcheck disable=SC1090
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. "${var_file}"
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fi
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}
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### Prevents accidental 'unset -f'.
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# shellcheck disable=SC2034
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readonly -f source_guard
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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