86 lines
2.9 KiB
Bash
Executable File
86 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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# =============================================== #
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# enter.sh v2.0; job79 #
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# Dev container enter script. Handles setting up #
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# different dev containers, resuming sessions and #
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# automatic container updates. #
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# =============================================== #
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set -eu
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log() { printf '\e[%sm%s\e[0m %s\n' "${3:-36}" "${2:-○}" "$1"; }
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arg() { echo -n " $@"; }
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# run_args returns the podman run arguments required for
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# starting a new container.
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run_args() {
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arg "--name $name"
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# Disable some security settings so host directories can
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# be mounted without problems.
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arg "--security-opt label=disable" # disable labeling so mounts don't need to be labeled.
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arg "--userns=keep-id" # required for ~/.ssh which is usually 700.
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# Configure options to get host-spawn to work inside the
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# container.
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[ -e "/run/user/$UID/bus" ] && arg "-v /run/user/$UID/bus:/tmp/bus" # Use host dbus.
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arg "-e HOST_HOME=$HOME" # Used to translate container path to host.
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# Use host networking.
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arg "--net=host"
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# Mount the wayland socket. Required to get the system
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# clipbard (wl-copy) working.
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[ -e "/run/user/$UID/wayland-0" ] && arg "-v /run/user/$UID/wayland-0:/run/user/1000/wayland-0"
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# Mount the ssh socket, directory and the git config
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# directory. This gets the host ssh and git configuration
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# working inside the container.
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[ -e "$SSH_AUTH_SOCK" ] && arg "-v $SSH_AUTH_SOCK:/run/user/1000/ssh-auth-sock"
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[ -d "$HOME/.ssh" ] && arg "-v $HOME/.ssh:/home/user/.ssh"
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[ -d "$HOME/.config/git" ] && arg "-v $HOME/.config/git:/home/user/.config/git"
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# Add a volume for the home directory so it survives
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# container updates.
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arg "-v $name:/home/user:copy"
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# Add custom user configuration.
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config_file="./containers/$name/config.sh"
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[ -f "${config_file}" ] && source "${config_file}"
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}
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### MAIN ###
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cd "$(dirname "$(realpath "$0")")"
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name=$(<"./state/last-name")
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registry=$(<"./state/registry")
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pull=false
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while test $# -gt 0; do
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case "$1" in
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-p) pull=true ;;
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-*) log "unknown argument '$1'" 'x' 31 ;;
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*)
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name="$1"
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echo "$1" >"./state/last-name"
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;;
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esac
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shift
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done
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if [ "$pull" = true ] || [ "$(podman container inspect "$name" -f {{.State.Running}} 2>&1)" != 'true' ]; then
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log "fetching devcontainer updates..."
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if [ "$pull" = true ] || [ "$(podman container inspect "$name" -f {{.Image}} 2>&1)" != "$(podman pull -q "$registry/$name" 2>&1)" ]; then
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if [ $? -eq 0 ]; then
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log "container image downloaded" '✓' 32
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else
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log "failed to download container image" 'x' 31
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fi
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podman container rm -f -t 1 "$name" 1>/dev/null
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run_args
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podman run -td $(run_args) "$registry/$name"
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else
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log "no updates available" '✓' 32
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fi
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fi
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podman start "$name" 1>/dev/null
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podman exec -e CONTAINER_NAME="$name" -e ENTER_DIR="${PWD/#$HOME/\~}" --detach-keys "ctrl-@" -it "$name" bash -l
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