#! /usr/bin/env -S nix develop . --command just --justfile

fly-system := "x86_64-linux"
fly-registry := "registry.fly.io/alanpearce-eu"
docker-tag := env_var_or_default("DOCKER_TAG", `git rev-parse HEAD`)

default:
    @just --list --justfile {{ justfile() }} --unsorted

check:
    nix flake check . --print-build-logs

check-licenses:
    nix run nixpkgs#go-licenses

update-all:
    go get -u all
    gomod2nix --outdir nix
    nix flake update

watch-flake command:
    watchexec --restart -w flake.nix -w flake.lock direnv exec . {{ command }}

watch-builder: (watch-flake "watchexec -i cmd/server -i public -r go run ./cmd/build --base-url http://localhost:3000")

nix-build what:
    nix build .#{{ what }}

watch-server: (watch-flake "watchexec -r go run ./cmd/server")

docker-stream system=(arch() + "-linux"):
    @nix build --print-out-paths .#docker-stream-{{ system }} | sh

docker-image system=(arch() + "-linux"):
    nix build .#docker-image-{{ system }}

docker-stream-fly:
    just docker-stream {{ fly-system }}

docker-image-fly: (docker-image fly-system)

docker-inspect image-path="result" *skopeo-flags="":
    skopeo {{ skopeo-flags }} inspect docker-archive:{{ image-path }}

print-docker-tag:
    @echo {{ docker-tag }}

stream-to-registry *skopeo-flags="":
    just docker-stream-fly | gzip --fast | skopeo {{ skopeo-flags }} copy --dest-precompute-digests docker-archive:/dev/stdin docker://{{ fly-registry }}:{{ docker-tag }}

result := `readlink -f result`
push-to-registry *skopeo-flags="":
    skopeo {{ skopeo-flags }} copy --dest-precompute-digests docker-archive://{{ result }}  docker://{{ fly-registry }}:{{ docker-tag }}

deploy registry-and-tag=(fly-registry + ":" + docker-tag):
    fly deploy --image {{ registry-and-tag }}