lohr: add default and additional remotes

Co-authored-by: Antoine Martin <antoine@alarsyo.net>
This commit is contained in:
Bruno BELANYI 2021-03-29 20:52:04 +02:00 committed by Antoine Martin
parent 7c21d65920
commit 295a28bab4
5 changed files with 121 additions and 19 deletions

34
Cargo.lock generated
View file

@ -231,6 +231,12 @@ dependencies = [
"generic-array",
]
[[package]]
name = "dtoa"
version = "0.4.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "56899898ce76aaf4a0f24d914c97ea6ed976d42fec6ad33fcbb0a1103e07b2b0"
[[package]]
name = "filetime"
version = "0.2.14"
@ -459,6 +465,12 @@ version = "0.2.91"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8916b1f6ca17130ec6568feccee27c156ad12037880833a3b842a823236502e7"
[[package]]
name = "linked-hash-map"
version = "0.5.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
[[package]]
name = "log"
version = "0.3.9"
@ -486,6 +498,7 @@ dependencies = [
"rocket",
"rocket_contrib",
"serde",
"serde_yaml",
]
[[package]]
@ -851,6 +864,18 @@ dependencies = [
"serde",
]
[[package]]
name = "serde_yaml"
version = "0.8.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "15654ed4ab61726bf918a39cb8d98a2e2995b002387807fa6ba58fdf7f59bb23"
dependencies = [
"dtoa",
"linked-hash-map",
"serde",
"yaml-rust",
]
[[package]]
name = "sha2"
version = "0.9.3"
@ -1104,6 +1129,15 @@ dependencies = [
"winapi-build",
]
[[package]]
name = "yaml-rust"
version = "0.4.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
dependencies = [
"linked-hash-map",
]
[[package]]
name = "yansi"
version = "0.5.0"

View file

@ -14,3 +14,4 @@ log = "0.4.14"
rocket = "0.4.7"
rocket_contrib = { version = "0.4.7", features = [ "json" ] }
serde = { version = "1.0.125", features = [ "derive" ] }
serde_yaml = "0.8.17"

View file

@ -8,6 +8,7 @@ use anyhow::bail;
use log::info;
use crate::gitea::Repository;
use crate::settings::{GlobalSettings, RepoUrl};
pub(crate) struct Job {
repo: Repository,
@ -91,7 +92,9 @@ impl Job {
Ok(())
}
fn get_remotes(&self) -> anyhow::Result<String> {
/// Can return Ok(None) if the .lohr file didn't exist, but no significant error occured
fn read_remotes_from_lohr_file(&self) -> anyhow::Result<Option<Vec<RepoUrl>>> {
// try to read .lohr file from bare repo (hence the git show sorcery)
let output = Command::new("git")
.arg("-C")
.arg(format!("{}", self.local_path.as_ref().unwrap().display()))
@ -101,24 +104,56 @@ impl Job {
if !output.status.success() {
let error = str::from_utf8(&output.stderr)?;
let code = output
.status
.code()
.unwrap_or_else(|| output.status.signal().unwrap());
bail!(
"couldn't read .lohr file from repo {}: exit code {}, stderr:\n{}",
self.repo.full_name,
code,
error
);
// this error case is okay, .lohr just doesn't exist
if error.contains("does not exist in 'HEAD'") {
return Ok(None);
} else {
let code = output
.status
.code()
.unwrap_or_else(|| output.status.signal().unwrap());
bail!(
"couldn't read .lohr file from repo {}: exit code {}, stderr:\n{}",
self.repo.full_name,
code,
error
);
}
}
Ok(String::from_utf8(output.stdout)?)
let output = String::from_utf8(output.stdout)?;
Ok(Some(output.lines().map(String::from).collect()))
}
fn update_mirrors(&self) -> anyhow::Result<()> {
for remote in self.get_remotes()?.lines() {
fn get_remotes(&self, config: &GlobalSettings) -> anyhow::Result<Vec<RepoUrl>> {
let local_path = self.local_path.as_ref().unwrap();
let stem_to_repo = |stem: &RepoUrl| -> RepoUrl {
let mut res = stem.clone();
if !res.ends_with('/') {
res.push('/');
};
res.push_str(local_path.file_name().unwrap().to_str().unwrap());
res
};
// use either .lohr file or default remotes from config
let mut remotes = match self.read_remotes_from_lohr_file()? {
Some(remotes) if !remotes.is_empty() => remotes,
_ => config.default_remotes.iter().map(stem_to_repo).collect(),
};
// additional remotes
remotes.append(&mut config.additional_remotes.iter().map(stem_to_repo).collect());
Ok(remotes)
}
fn update_mirrors(&self, config: &GlobalSettings) -> anyhow::Result<()> {
for remote in &self.get_remotes(config)? {
info!("Updating mirror {}:{}...", remote, self.repo.full_name);
let output = Command::new("git")
@ -148,7 +183,7 @@ impl Job {
Ok(())
}
pub(crate) fn run(&mut self, homedir: &Path) -> anyhow::Result<()> {
pub(crate) fn run(&mut self, homedir: &Path, config: &GlobalSettings) -> anyhow::Result<()> {
let local_path = homedir.join(&self.repo.full_name);
assert!(local_path.is_absolute());
self.local_path = Some(local_path);

View file

@ -1,6 +1,7 @@
#![feature(proc_macro_hygiene, decl_macro)]
use std::env;
use std::fs::File;
use std::path::PathBuf;
use std::sync::{
mpsc::{channel, Receiver, Sender},
@ -19,6 +20,9 @@ use gitea::GiteaWebHook;
mod job;
use job::Job;
mod settings;
use settings::GlobalSettings;
struct JobSender(Mutex<Sender<Job>>);
#[post("/", data = "<payload>")]
@ -34,29 +38,44 @@ fn gitea_webhook(payload: Json<GiteaWebHook>, sender: State<JobSender>) -> Statu
Status::Ok
}
fn repo_updater(rx: Receiver<Job>, homedir: PathBuf) {
fn repo_updater(rx: Receiver<Job>, homedir: PathBuf, config: GlobalSettings) {
loop {
let mut job = rx.recv().unwrap();
if let Err(err) = job.run(&homedir) {
if let Err(err) = job.run(&homedir, &config) {
error!("couldn't process job: {}", err);
}
}
}
fn main() {
fn parse_config(mut path: PathBuf) -> anyhow::Result<GlobalSettings> {
path.push("lohr-config");
path.set_extension("yaml");
let config = if let Ok(file) = File::open(path.as_path()) {
serde_yaml::from_reader(file)?
} else {
Default::default()
};
Ok(config)
}
fn main() -> anyhow::Result<()> {
let (sender, receiver) = channel();
let homedir = env::var("LOHR_HOME").unwrap_or_else(|_| "./".to_string());
let homedir: PathBuf = homedir.into();
let homedir = homedir.canonicalize().expect("LOHR_HOME isn't valid!");
let config = parse_config(homedir.clone())?;
thread::spawn(move || {
repo_updater(receiver, homedir);
repo_updater(receiver, homedir, config);
});
rocket::ignite()
.mount("/", routes![gitea_webhook])
.manage(JobSender(Mutex::new(sender)))
.launch();
Ok(())
}

13
src/settings.rs Normal file
View file

@ -0,0 +1,13 @@
use serde::Deserialize;
pub(crate) type RepoUrl = String; // FIXME: probably needs a better type than this
#[derive(Default, Deserialize)]
pub(crate) struct GlobalSettings {
/// List of remote stems to use when no `.lohr` file is found
#[serde(default)]
pub default_remotes: Vec<RepoUrl>,
/// List of remote stems to use for every repository
#[serde(default)]
pub additional_remotes: Vec<RepoUrl>,
}