#!/usr/bin/env bash
#

set -e

systemctl --user stop guix.service || true
systemctl --user stop gnu-store-volume.service || true
systemctl --user stop guix-home-volume.service || true
systemctl --user stop guix-var-volume.service || true

(
    cd $(mktemp -d)
    cat > Containerfile <<EOF
FROM docker.io/library/debian:bookworm-slim
RUN apt-get -qq update && apt-get -qq install wget gpg xz-utils netbase
ADD --chmod=0755 https://git.savannah.gnu.org/cgit/guix.git/plain/etc/guix-install.sh /etc/guix-install.sh
RUN yes '' | /etc/guix-install.sh
RUN adduser --disabled-password --comment guix guix
VOLUME /gnu/store
VOLUME /var/guix
VOLUME /home/guix
ENTRYPOINT ["/root/.config/guix/current/bin/guix-daemon", "--build-users-group=guixbuild"]
EOF
    podman build -t guix:latest .
)

QUADLETS="${HOME}/.config/containers/systemd/"

mkdir -p "${QUADLETS}"

cat > "${QUADLETS}/gnu-store.volume" <<EOF
[Unit]
Description = Create GNU Store data volume

[Service]
RemainAfterExit = yes

[Volume]

[Install]
WantedBy = multi-user.target default.target
EOF

cat > "${QUADLETS}/guix-var.volume" <<EOF
[Unit]
Description = Create GNU Guix var volume

[Service]
RemainAfterExit = yes

[Volume]

[Install]
WantedBy = multi-user.target default.target
EOF


cat > "${QUADLETS}/guix-home.volume" <<EOF
[Unit]
Description = Create Guix user home volume

[Service]
RemainAfterExit = yes

[Volume]

[Install]
WantedBy = multi-user.target default.target
EOF

cat > "${QUADLETS}/guix.container" <<EOF
[Unit]
Description = Guix Service

[Container]
Image = localhost/guix:latest
ContainerName = guix
Volume = guix-var.volume:/var/guix
Volume = guix-home.volume:/home/guix
Volume = gnu-store.volume:/gnu/store
PodmanArgs = --privileged

[Install]
WantedBy = multi-user.target default.target
EOF

systemctl --user daemon-reload

systemctl --user start guix-var-volume.service
systemctl --user start gnu-store-volume.service
systemctl --user start guix-home-volume.service
systemctl --user start guix.service