img-exec

#!/usr/bin/env bash

set -euo pipefail

# it is expected that the caller will pass in --entrypoint and an image name followed by any additional arguments

# args explained:
# -w:                make relative paths work
# --volume (/tmp/):  make /tmp/... paths work
# --volume ($HOME/): make ~/... paths work
# --net:             no need for separate net namespace
# --rm:              no need to keep this container
# --tty:             necessary for colors to work
# --interactive:     necessary for vi to work
# --attach           necessary for piping to work

if [[ -t 0 ]]; then
    arg_tty="--tty"
else
    arg_attach="--attach stdin --attach stdout --attach stderr"
fi

exec docker run -w="$(pwd)" --volume=/tmp/:/tmp/ --volume=$HOME/:$HOME/ --net=host --rm --interactive ${arg_tty-} ${arg_attach-} "${@}"