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use super::{LocalRepoState, Repo, RepoError};
use anyhow::Context;
use gix::{
bstr::BString,
refs::{
transaction::{LogChange, PreviousValue, RefEdit},
FullName,
},
remote, Id, ObjectId, Remote,
};
mod checkout;
mod fetch;
impl Repo {
#[tracing::instrument(level = "debug")]
pub fn is_clean(&self) -> Result<LocalRepoState, RepoError> {
let repo = self.repo()?;
if let Some(state) = repo.state() {
Ok(LocalRepoState::InProgress(state))
} else {
let head = repo.head().unwrap();
if head.is_detached() {
return Ok(LocalRepoState::DetachedHead);
}
if head.is_unborn() {
return Ok(LocalRepoState::UnbornHead);
}
Ok(LocalRepoState::Clean)
}
}
pub fn default_remote(&self) -> Result<Remote, RepoError> {
Ok(self
.repo()?
.find_default_remote(gix::remote::Direction::Fetch)
.ok_or(RepoError::NoRemoteFound)?
.context("fetch: failed to find default remote")?)
}
pub fn default_branch(&self) -> Result<BString, RepoError> {
let repo = self.repo()?;
let remote = self.default_remote()?;
let remote_name = remote.name().context("remote does not have name")?;
let origin_ref = repo
.find_reference(&format!("remotes/{}/HEAD", remote_name.as_bstr()))
.context("the remotes HEAD references does not exist")?;
if let Some(origin_ref) = origin_ref.target().try_name() {
Ok(origin_ref.shorten().to_owned())
} else {
Err(RepoError::NoDefaultBranch)
}
}
pub fn refedit(target: ObjectId, name: &str, message: &str) -> RefEdit {
RefEdit {
change: gix::refs::transaction::Change::Update {
log: LogChange {
mode: gix::refs::transaction::RefLog::AndReference,
force_create_reflog: false,
message: message.into(),
},
expected: PreviousValue::Any,
new: gix::refs::Target::Peeled(target),
},
name: FullName::try_from(name).unwrap(),
deref: true,
}
}
pub fn update_default_branch_ref(
&self,
remote: remote::Name,
head: Id,
) -> Result<(), RepoError> {
let default_branch = self.default_branch()?;
let repo = self.repo()?;
repo.edit_reference(Repo::refedit(
head.into(),
&format!("heads/{}", default_branch),
&format!("checkout: {}/HEAD with gtree", remote.as_bstr()),
))
.context("checkout: failed to edit ref")?;
Ok(())
}
pub fn default_remote_head(&self) -> Result<(remote::Name, Id), RepoError> {
let repo = self.repo()?;
let remote = repo
.find_fetch_remote(None)
.context("could not find remote to fetch")?;
let remote = remote.name().context("remote does not have name")?;
let head_ref = repo
.find_reference(&format!("remotes/{}/HEAD", remote.as_bstr()))
.context("the remotes HEAD references does not exist")?;
let head = head_ref
.into_fully_peeled_id()
.context("failed to peel ref")?;
Ok((remote.to_owned(), head.to_owned()))
}
}
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