use anyhow::{Context, Result};
use std::path::{Path, PathBuf};
use crate::error_code::{self, ErrorCodeExt};
pub type Repository = gix::Repository;
pub fn open_repo(path: &Path) -> Result<Repository> {
gix::discover(path)
.with_context(|| format!("Not a git repository: {}", path.display()))
.error_code(error_code::GIT_NOT_A_REPO)
}
pub fn get_repo_root(repo: &Repository) -> Result<PathBuf> {
repo.workdir()
.map(|p| p.to_path_buf())
.ok_or_else(|| anyhow::anyhow!("Bare repositories are not supported"))
.error_code(error_code::GIT_BARE_REPO)
}
pub fn resolve_current_branch(repo: &Repository, fallback: &str) -> String {
if let Ok(head) = repo.head()
&& let Some(name) = head.referent_name()
{
let full = name.as_bstr().to_string();
if let Some(short) = full.strip_prefix("refs/heads/") {
return short.to_string();
}
return full;
}
let ci_vars = [
"GITHUB_REF_NAME",
"CI_COMMIT_BRANCH",
"BRANCH_NAME",
"CIRCLE_BRANCH",
"BITBUCKET_BRANCH",
"BUILDKITE_BRANCH",
"TRAVIS_BRANCH",
];
for var in ci_vars {
if let Ok(val) = std::env::var(var)
&& !val.is_empty()
{
return val;
}
}
fallback.to_string()
}