mirror of
https://github.com/falk-werner/webfuse
synced 2024-10-27 20:34:10 +00:00
40 lines
866 B
Bash
40 lines
866 B
Bash
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#!/bin/sh
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# This file is part of dobuild.
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# Copyright (c) 2019 Contributors as noted in the AUTHORS file.
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#
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# SPDX-License-Identifier: MPL-2.0
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set -e
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container_id() {
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if [ "$#" -le 0 ]; then
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container_id_by_cgroup < /proc/self/cgroup
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else
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container_id_by_object "$@"
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fi
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}
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container_id_by_object() {
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"$DOCKER" inspect --format='{{.Id}}' "$@"
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}
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container_id_by_cgroup() {
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while IFS= read -r cmd; do
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id="$(echo "$cmd" | sed -n -e 's/[^:]*:[^:]*:.*\/\([0-9a-fA-F]\+\)$/\1/p')"
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if container_id_by_object "$id" >/dev/null 2>&1; then
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echo "$id"
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return 0
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fi
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done
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return 3
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}
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DOCKER="${DOCKER:-docker}"
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container_id "$@"
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