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#!/bin/bash
#
# Copyright 2015 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -eu
# This is a generated file that loads all docker layers built by "docker_build".
RUNFILES="${PYTHON_RUNFILES:-${BASH_SOURCE[0]}.runfiles}"
DOCKER="${DOCKER:-docker}"
FULL_DOCKER_VERSION=$(docker version -f {{.Server.Version}} 2> /dev/null \
|| echo "1.10.0")
DOCKER_MAJOR_VERSION=$(echo "$FULL_DOCKER_VERSION" | sed -r 's#^([0-9]+)\..*#\1#')
DOCKER_MINOR_VERSION=$(echo "$FULL_DOCKER_VERSION" | sed -r 's#^[0-9]+\.([0-9]+).*#\1#')
if [ "$DOCKER_MAJOR_VERSION" -eq "1" ] && [ "$DOCKER_MINOR_VERSION" -lt "10" ]; then
LEGACY_DOCKER=true
else
LEGACY_DOCKER=false
fi
# List all images identifier (only the identifier) from the local
# docker registry.
IMAGES="$("${DOCKER}" images -aq)"
IMAGE_LEN=$(for i in $IMAGES; do echo -n $i | wc -c; done | sort -g | head -1 | xargs)
[ -n "$IMAGE_LEN" ] || IMAGE_LEN=64
function incr_load() {
# Load a layer if and only if the layer is not in "$IMAGES", that is
# in the local docker registry.
if [ "$LEGACY_DOCKER" = true ]; then
name=$(cat ${RUNFILES}/$1)
else
name=$(cat ${RUNFILES}/$2)
fi
if (echo "$IMAGES" | grep -q ^${name:0:$IMAGE_LEN}$); then
echo "Skipping $name, already loaded."
else
echo "Loading $name..."
"${DOCKER}" load -i ${RUNFILES}/$3
fi
}
# List of 'incr_load' statements for all layers.
# This generated and injected by docker_build.
%{load_statements}
# Tag the last layer.
if [ -n "${name}" ]; then
TAG="${1:-%{repository}:%{tag}}"
echo "Tagging ${name} as ${TAG}"
if [ "$LEGACY_DOCKER" = true ]; then
"${DOCKER}" tag -f ${name} ${TAG}
else
"${DOCKER}" tag ${name} ${TAG}
fi
fi
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