/
get-docker-compose
executable file
·85 lines (64 loc) · 1.59 KB
/
get-docker-compose
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#!/bin/sh
set -eu
PROGNAME=$(basename $0)
BASEDIR=$(cd $(dirname $0); pwd)
TAG=latest
if [ "$(uname)" != Linux ] || id -nG | grep -q docker; then
DOCKER='docker'
else
DOCKER='sudo docker'
fi
help() {
cat <<EOF >&2
Get docker-compose
USAGE:
get-docker-compose -h | --help
get-docker-compose [tag]
OPTIONS:
-h, --help
Show help
ARGUMENTS:
tag (default: $TAG)
One of tags listed in https://hub.docker.com/r/masnagam/docker-compose/tags.
DESCRIPTION:
This script extracts docker-compose a Docker image downloaded from
masnagam/docker-compose:\$tag and outputs it to STDOUT.
The docker-compose is extracted as a TAR archive. Therefore, it has to be
expanded by an archiver program like tar in order to extract docker-compose.
The downloaded Docker image will be removed automatically.
Example
Install the latest version of docker-compose into /usr/local/bin:
get-docker-compose | sudo tar -x -C /usr/local/bin
Extract docker-compose for a remote machine, and copy it via SSH
get-docker-compose 1.25.4-debian-arm64v8 | ssh \$REMOTE tar -x
EOF
exit 0
}
error() {
echo "$1" >&2
exit 1
}
clean() {
sleep 1
if [ -n "$CONTAINER" ]; then
$DOCKER container rm -f "$CONTAINER"
fi
$DOCKER image rm -f $IMAGE
}
while [ $# -gt 0 ]
do
case "$1" in
'-h' | '--help')
help
;;
*)
TAG="$1"
break
;;
esac
done
IMAGE=masnagam/docker-compose:$TAG
CONTAINER=
trap "clean" EXIT
CONTAINER=$($DOCKER create $IMAGE)
$DOCKER cp $CONTAINER:/usr/local/bin/docker-compose -