forked from Job79/devcontainer
91 lines
3.0 KiB
Bash
Executable File
91 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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# =============================================== #
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# devc.sh v2.1; job79, maurice #
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# Dev container entry script. #
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# =============================================== #
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set -euo pipefail
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log() { printf '\e[%sm%s\e[0m %s\n' "${3:-36}" "${2:-○}" "$1"; }
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die() {
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log "$1" 'x' 31
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exit 1
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}
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# default_args configures standard container options.
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default_args() {
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run_opts+=(
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"--name" "$name"
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"--hostname" "$name"
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"--pull=newer" # Update image.
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"--userns=keep-id" # Map host user.
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"--net=devc" # Shared network.
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"-v" "$name:/home/user:copy" # Persistent home volume.
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)
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# Unix sockets require SELinux label disable.
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[[ -d /sys/fs/selinux ]] && run_opts+=("--security-opt" "label=disable")
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# Desktop integration (Wayland, SSH).
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[[ -e "/run/user/$UID/wayland-0" ]] && run_opts+=("-v" "/run/user/$UID/wayland-0:/run/user/1000/wayland-0")
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[[ -e "${SSH_AUTH_SOCK:-}" ]] && run_opts+=("-v" "$SSH_AUTH_SOCK:/run/user/1000/ssh-auth-sock")
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# Load custom container config.
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local config_file="$(dirname "$(realpath "$0")")/containers/$name/config.sh"
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[[ -f "$config_file" ]] && source "${config_file}"
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}
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# param_args parses CLI arguments into podman run options.
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param_args() {
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while (($# > 0)); do
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case "$1" in
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-gpu) run_opts+=("--device" "/dev/dri") ;;
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-host-spawn) run_opts+=("-v" "/run/user/$UID/bus:/tmp/bus" "-e" "HOST_HOME=$HOME") ;;
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-container-sock) run_opts+=("-v" "${XDG_RUNTIME_DIR:-/run/user/$UID}/podman/podman.sock:/var/run/docker.sock") ;;
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-x11)
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run_opts+=("-v" "/tmp/.X11-unix:/tmp/.X11-unix" "-v" "${XAUTHORITY:-$HOME/.Xauthority}:/run/user/1000/.Xauthority:ro")
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run_opts+=("-e" "DISPLAY=${DISPLAY:-:0}" "-e" "XAUTHORITY=/run/user/1000/.Xauthority")
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;;
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-mnt)
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local type=''
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[[ ! -d "$2" ]] && type='file'
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run_opts+=("-w" "/mnt/" "-v" "$2:/mnt/$type")
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shift
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;;
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*) run_opts+=("$1") ;;
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esac
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shift
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done
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}
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main() {
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local state_file="$HOME/.local/share/devc-previous-container"
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local image="${1:-}"
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# Resolve container name (CLI arg > Last used > Error).
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if [[ $image && $image != -* ]]; then
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shift
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[[ $image == *:* ]] || image+=":main"
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mkdir -p "${state_file%/*}" && echo "$image" >"$state_file"
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elif [[ -f $state_file ]]; then
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image=$(<$state_file)
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else
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die "no container name specified"
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fi
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local name="${image%:*}"
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# Start/Restart if not running or if arguments change configuration.
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if [[ -z "$(podman ps -q -f name="^$name$" -f status=running)" ]] || (($# > 0)); then
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log "starting $image..."
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[[ -n "${DEVC_REGISTRY:-}" ]] || die "registry unknown; set the DEVC_REGISTRY environment variable"
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default_args
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param_args "$@"
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podman network create --ignore "devc" &>/dev/null
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podman run --replace --stop-timeout 0 -td "${run_opts[@]}" "$DEVC_REGISTRY/$image"
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fi
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exec podman exec --detach-keys "ctrl-@,ctrl-@" -it "$name" ${DEVC_COMMAND:-bash -l}
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}
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main "$@"
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