Files
yaak-mountain-loop/src-tauri/yaak-git/src/branch.rs
2025-11-17 15:22:39 -08:00

100 lines
3.1 KiB
Rust

use crate::error::Error::GenericError;
use crate::error::Result;
use crate::merge::do_merge;
use crate::repository::open_repo;
use crate::util::{bytes_to_string, get_branch_by_name, get_current_branch};
use git2::BranchType;
use git2::build::CheckoutBuilder;
use log::info;
use std::path::Path;
pub(crate) fn git_checkout_branch(dir: &Path, branch_name: &str, force: bool) -> Result<String> {
if branch_name.starts_with("origin/") {
return git_checkout_remote_branch(dir, branch_name, force);
}
let repo = open_repo(dir)?;
let branch = get_branch_by_name(&repo, branch_name)?;
let branch_ref = branch.into_reference();
let branch_tree = branch_ref.peel_to_tree()?;
let mut options = CheckoutBuilder::default();
if force {
options.force();
}
repo.checkout_tree(branch_tree.as_object(), Some(&mut options))?;
repo.set_head(branch_ref.name().unwrap())?;
Ok(branch_name.to_string())
}
pub(crate) fn git_checkout_remote_branch(
dir: &Path,
branch_name: &str,
force: bool,
) -> Result<String> {
let branch_name = branch_name.trim_start_matches("origin/");
let repo = open_repo(dir)?;
let refname = format!("refs/remotes/origin/{}", branch_name);
let remote_ref = repo.find_reference(&refname)?;
let commit = remote_ref.peel_to_commit()?;
let mut new_branch = repo.branch(branch_name, &commit, false)?;
let upstream_name = format!("origin/{}", branch_name);
new_branch.set_upstream(Some(&upstream_name))?;
git_checkout_branch(dir, branch_name, force)
}
pub(crate) fn git_create_branch(dir: &Path, name: &str) -> Result<()> {
let repo = open_repo(dir)?;
let head = match repo.head() {
Ok(h) => h,
Err(e) if e.code() == git2::ErrorCode::UnbornBranch => {
let msg = "Cannot create branch when there are no commits";
return Err(GenericError(msg.into()));
}
Err(e) => return Err(e.into()),
};
let head = head.peel_to_commit()?;
repo.branch(name, &head, false)?;
Ok(())
}
pub(crate) fn git_delete_branch(dir: &Path, name: &str) -> Result<()> {
let repo = open_repo(dir)?;
let mut branch = get_branch_by_name(&repo, name)?;
if branch.is_head() {
info!("Deleting head branch");
let branches = repo.branches(Some(BranchType::Local))?;
let other_branch = branches.into_iter().filter_map(|b| b.ok()).find(|b| !b.0.is_head());
let other_branch = match other_branch {
None => return Err(GenericError("Cannot delete only branch".into())),
Some(b) => bytes_to_string(b.0.name_bytes()?)?,
};
git_checkout_branch(dir, &other_branch, true)?;
}
branch.delete()?;
Ok(())
}
pub(crate) fn git_merge_branch(dir: &Path, name: &str, _force: bool) -> Result<()> {
let repo = open_repo(dir)?;
let local_branch = get_current_branch(&repo)?.unwrap();
let commit_to_merge = get_branch_by_name(&repo, name)?.into_reference();
let commit_to_merge = repo.reference_to_annotated_commit(&commit_to_merge)?;
do_merge(&repo, &local_branch, &commit_to_merge)?;
Ok(())
}