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use std::str::FromStr;
use git2::Repository;
use thiserror::Error;
use url;
use url::Url;
#[derive(Debug, Error)]
pub enum Error {
#[error(transparent)]
Git(#[from] git2::Error),
#[error(transparent)]
OwnerRepo(#[from] OwnerRepoError),
#[error("Unable to find remote '{0}'")]
NoRemote(String),
}
#[derive(Debug, Error)]
pub enum OwnerRepoError {
#[error("Unable to parse URL")]
Url(#[from] url::ParseError),
#[error("URL has no path")]
NoPath,
#[error("Unable to parse owner or repo")]
NoOwnerRepo,
}
#[derive(Debug)]
pub struct OwnerRepo {
pub owner: String,
pub repo: String,
}
impl FromStr for OwnerRepo {
type Err = OwnerRepoError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let url = Url::parse(s)?;
let path = url.path_segments()
.ok_or(OwnerRepoError::NoPath)?
.collect::<Vec<_>>();
if path.len() < 2 {
return Err(OwnerRepoError::NoOwnerRepo);
}
Ok(OwnerRepo {
owner: path[0].to_owned(),
repo: path[1].to_owned(),
})
}
}
pub fn identifier_for_remote(
remote_name: Option<&str>,
) -> Result<OwnerRepo, Error> {
let repo = Repository::open(".")?;
let remote_name = match remote_name {
Some(r) => r,
None => "origin",
};
let remote = repo.find_remote(remote_name)?;
let url = remote.url()
.ok_or_else(|| Error::NoRemote(remote_name.to_owned()))?;
Ok(url.parse()?)
}
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