#!/usr/bin/env bash

set -euo pipefail
IFS=$'\n\t'

flakeref="${1-}"
name="${2-}"
gitdir="${3:-.}"

if [ -z "$flakeref" ] || [ -z "$name" ];
  then
    echo "Usage: $0 FLAKEREF NAME [GITDIR]"
    exit 1
fi

imagename=$(nix eval --no-allow-dirty --raw $flakeref.imageName)
imagetag=$(nix eval --no-allow-dirty --raw $flakeref.imageTag)
image=$(nix build --no-allow-dirty $flakeref --print-out-paths --no-link)
gitrev=$(git --git-dir $gitdir/.git --work-tree $gitdir rev-parse HEAD)

docker load < $image
docker tag $imagename:$imagetag git.kun.is/home/$name:$gitrev
docker tag $imagename:$imagetag git.kun.is/home/$name:latest
docker push git.kun.is/home/$name:$gitrev
docker push git.kun.is/home/$name:latest