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// Copyright (C) 2026 Doan Luu Duc Tai <doan@luuduct.ai>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
use std::fs;
use std::path::Path;
use anyhow::{Context, Result, ensure};
use crate::project::{Mode, Project};
use crate::{files, images, process};
pub(crate) fn create(project: &Project, destination: &Path) -> Result<()> {
crate::check(project)?;
process::run(project.command("cargo")?.args([
"build",
"--locked",
"--release",
"--target",
"x86_64-unknown-linux-musl",
]))?;
files::write(
&project.root.join("bin/stack"),
&fs::read(
project
.root
.join("target/x86_64-unknown-linux-musl/release/stack"),
)?,
0o755,
)?;
let mut settings = project.settings()?;
settings.mode = Mode::Local;
settings.online = true;
for service in project.configuration(&settings)?.services.values() {
project.ensure_image(&settings, service)?;
}
files::private_dir(destination)?;
let temp = tempfile::Builder::new()
.prefix(".release-")
.tempdir_in(destination)?;
let stage = temp.path().join("stack");
files::private_dir(&stage)?;
files::copy_source(&project.root, &stage)?;
fs::create_dir_all(stage.join("bin"))?;
fs::copy(
project
.root
.join("target/x86_64-unknown-linux-musl/release/stack"),
stage.join("bin/stack"),
)?;
images::save(
project,
&images::configured(project, &settings)?,
&stage.join("var"),
)?;
files::manifest(&stage, "release")?;
let output = destination.join(format!(
"stack-release-{}.tar.gz",
chrono::Utc::now().format("%Y%m%dT%H%M%SZ")
));
files::pack(&stage, &output)?;
let filename = output
.file_name()
.context("Missing archive name")?
.to_string_lossy();
files::write(
&output.with_extension("gz.sha256"),
format!("{} {filename}\n", files::hash_file(&output)?).as_bytes(),
0o600,
)?;
process::line(format_args!("Release: {}", output.display()))
}
pub(crate) fn activate(archive: &Path, project: &Project) -> Result<()> {
let temp = tempfile::Builder::new()
.prefix(".activate-")
.tempdir_in(&project.root)?;
let stage = temp.path().join("stack");
files::extract(archive, &stage)?;
ensure!(
files::verify(&stage)?.kind == "release",
"Activation requires a release archive"
);
let pending = Project::at(&stage)?;
let mut settings = project.settings()?;
settings.mode = Mode::Production;
settings.online = false;
let lock = stage.join("var/image-lock.json");
let info: serde_json::Value = serde_json::from_slice(&fs::read(&lock)?)?;
ensure!(
info.get("platform").and_then(serde_json::Value::as_str)
== Some(project.platform()?.as_str()),
"Release architecture does not match the server"
);
let _config = pending.configuration(&settings)?;
for name in files::SOURCE {
let source = stage.join(name);
if source.exists() {
let target = project.root.join(name);
if target.is_dir() {
files::regular_tree(&target)?;
fs::remove_dir_all(&target)?;
}
files::copy_tree(&source, &target)?;
}
}
files::write(
&project.root.join("bin/stack"),
&fs::read(stage.join("bin/stack"))?,
0o755,
)?;
for name in ["images.tar", "image-lock.json"] {
files::copy_tree(
&stage.join("var").join(name),
&project.root.join("var").join(name),
)?;
}
images::prepare(project, &mut settings)?;
project.up(&settings)
}
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