osg-build-shell

#!/bin/bash
# osg-build-shell
#
# Shell into the docker-osg-build container (if it's up)

CONTAINER_NAME=osg-build
u=

usage () {
    {
        echo "$(basename "$0") [-r|--root] [<command> [<arg>...]]"
        echo
        echo "Enters into the osg-build container to run a command."
        echo "If the command is not specified, run bash."
        echo "Runs the command as root if -r or --root is specified."
    } >&2
}

case $1 in
    -r|--root)
        u=-u0
        shift
        ;;
    -h|--help)
        usage
        exit 0
        ;;
    -*)
        echo >&2 "Unknown option $1."
        usage
        exit 2
        ;;
esac

if [[ ! $1 ]]; then
    command=bash
else
    command=$1
    shift
fi

# only allocate a tty if stdin and stdout are both ttys.
# Allocating a tty causes piping issues (for example, the output side
# will contain CRLF line terminators instead of LF)
t=
[[ -t 0 && -t 1 ]] && t=-t

docker=docker
if command -v podman &>/dev/null; then
    docker=podman
fi

koji_hub_arg=
if [[ $KOJI_HUB ]]; then
    koji_hub_arg=--env=KOJI_HUB=$KOJI_HUB
fi

$docker exec -i $t $u $koji_hub_arg $CONTAINER_NAME \
    /usr/local/bin/command-wrapper.sh --no-strict-work-dir "$(pwd -P)" "$command" "$@"