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use std::path::PathBuf;
use anyhow::anyhow;
use anyhow::Error;
use anyhow::Result;
use elefren::MastodonClient;
use structopt::StructOpt;
#[derive(serde::Deserialize, getset::Getters, Debug)]
pub struct Conf {
#[getset(get = "pub")]
mastodon_data: PathBuf,
#[getset(get = "pub")]
repository_path: PathBuf,
#[getset(get = "pub")]
master_branch_name: String,
#[getset(get = "pub")]
origin_remote_name: String,
#[getset(get = "pub")]
hours_to_check: i64,
#[getset(get = "pub")]
status_language: String,
#[getset(get = "pub")]
status_template: String,
}
#[derive(structopt::StructOpt, getset::Getters, Debug)]
pub struct Opts {
#[structopt(short, long, parse(from_os_str))]
#[getset(get = "pub")]
config: PathBuf,
}
fn main() -> Result<()> {
env_logger::init();
log::debug!("Logger initialized");
let opts = Opts::from_args_safe()?;
let config: Conf = {
let mut config = ::config::Config::default();
config
.merge(::config::File::from(opts.config().to_path_buf()))?
.merge(::config::Environment::with_prefix("COMBOT"))?;
config.try_into()?
};
let mastodon_data: elefren::Data = toml::de::from_str(&std::fs::read_to_string(config.mastodon_data())?)?;
let client = elefren::Mastodon::from(mastodon_data);
let status_language = elefren::Language::from_639_1(config.status_language())
.ok_or_else(|| anyhow!("Could not parse status language code: {}", config.status_language()))?;
log::debug!("config parsed");
let repo = git2::Repository::open(config.repository_path())?;
log::debug!("Repo opened successfully");
let _ = fetch_main_remote(&repo, &config)?;
log::debug!("Main branch fetched successfully");
let (commits, merges, nonmerges) = count_commits_on_main_branch(&repo, &config)?;
log::debug!("Counted commits successfully");
log::info!("Commits = {}", commits);
log::info!("Merges = {}", merges);
log::info!("Non-Merges = {}", nonmerges);
{
let status_text = {
let mut hb = handlebars::Handlebars::new();
hb.register_template_string("status", config.status_template())?;
let mut data = std::collections::BTreeMap::new();
data.insert("commits", commits);
data.insert("merges", merges);
data.insert("nonmerges", nonmerges);
hb.render("status", &data)?
};
let status = elefren::StatusBuilder::new()
.status(status_text)
.language(status_language)
.build()
.expect("Failed to build status");
let status = client.new_status(status)
.expect("Failed to post status");
if let Some(url) = status.url.as_ref() {
log::info!("Status posted: {}", url);
} else {
log::info!("Status posted, no url");
}
log::debug!("New status = {:?}", status);
}
Ok(())
}
fn fetch_main_remote(repo: &git2::Repository, config: &Conf) -> Result<()> {
log::debug!("Fetch: {} / {}", config.origin_remote_name(), config.master_branch_name());
repo.find_remote(config.origin_remote_name())?
.fetch(&[config.master_branch_name()], None, None)
.map_err(Error::from)
}
fn count_commits_on_main_branch(repo: &git2::Repository, config: &Conf) -> Result<(usize, usize, usize)> {
let branchname = format!("{}/{}", config.origin_remote_name(), config.master_branch_name());
let minimum_time_epoch = chrono::offset::Local::now().timestamp() - (config.hours_to_check() * 60 * 60);
log::debug!("Branch to count : {}", branchname);
log::debug!("Earliest commit time: {:?}", minimum_time_epoch);
let revwalk_start = repo
.find_branch(&branchname, git2::BranchType::Remote)?
.get()
.peel_to_commit()?
.id();
log::debug!("Starting at: {}", revwalk_start);
let mut rw = repo.revwalk()?;
rw.simplify_first_parent()?;
rw.push(revwalk_start)?;
let mut commits = 0;
let mut merges = 0;
let mut nonmerges = 0;
for rev in rw {
let rev = rev?;
let commit = repo.find_commit(rev)?;
log::trace!("Found commit: {:?}", commit);
if commit.time().seconds() < minimum_time_epoch {
log::trace!("Commit too old, stopping iteration");
break;
}
commits += 1;
let is_merge = commit.parent_ids().count() > 1;
log::trace!("Merge: {:?}", is_merge);
if is_merge {
merges += 1;
} else {
nonmerges += 1;
}
}
log::trace!("Ready iterating");
Ok((commits, merges, nonmerges))
}
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