Files
git-repo-manager/src/repo.rs

1071 lines
34 KiB
Rust

use serde::{Deserialize, Serialize};
use std::path::Path;
use git2::{Cred, RemoteCallbacks, Repository};
use crate::output::*;
const WORKTREE_CONFIG_FILE_NAME: &str = "grm.toml";
#[derive(Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "snake_case")]
pub enum RemoteType {
Ssh,
Https,
File,
}
pub enum WorktreeRemoveFailureReason {
Changes(String),
Error(String),
NotMerged(String),
}
pub enum GitPushDefaultSetting {
Upstream,
}
#[derive(Debug, PartialEq)]
pub enum RepoErrorKind {
NotFound,
Unknown(String),
}
#[derive(Debug)]
pub struct RepoError {
pub kind: RepoErrorKind,
}
impl RepoError {
fn new(kind: RepoErrorKind) -> RepoError {
RepoError { kind }
}
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct TrackingConfig {
pub default: bool,
pub default_remote: String,
pub default_remote_prefix: Option<String>,
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct WorktreeRootConfig {
pub persistent_branches: Option<Vec<String>>,
pub track: Option<TrackingConfig>,
}
pub fn read_worktree_root_config(worktree_root: &Path) -> Result<Option<WorktreeRootConfig>, String> {
let path = worktree_root.join(WORKTREE_CONFIG_FILE_NAME);
let content = match std::fs::read_to_string(&path) {
Ok(s) => s,
Err(e) => {
match e.kind() {
std::io::ErrorKind::NotFound => return Ok(None),
_ => return Err(format!("Error reading configuration file \"{}\": {}", path.display(), e)),
}
}
};
let config: WorktreeRootConfig = match toml::from_str(&content) {
Ok(c) => c,
Err(e) => {
return Err(format!(
"Error parsing configuration file \"{}\": {}",
path.display(), e
))
}
};
Ok(Some(config))
}
impl std::error::Error for RepoError {}
impl std::fmt::Display for RepoError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{:?}", self.kind)
}
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct Remote {
pub name: String,
pub url: String,
#[serde(rename = "type")]
pub remote_type: RemoteType,
}
fn worktree_setup_default() -> bool {
false
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct RepoConfig {
pub name: String,
#[serde(default = "worktree_setup_default")]
pub worktree_setup: bool,
pub remotes: Option<Vec<Remote>>,
}
pub struct RepoChanges {
pub files_new: usize,
pub files_modified: usize,
pub files_deleted: usize,
}
pub enum SubmoduleStatus {
Clean,
Uninitialized,
Changed,
OutOfDate,
}
pub enum RemoteTrackingStatus {
UpToDate,
Ahead(usize),
Behind(usize),
Diverged(usize, usize),
}
pub struct RepoStatus {
pub operation: Option<git2::RepositoryState>,
pub empty: bool,
pub remotes: Vec<String>,
pub head: Option<String>,
pub changes: Option<RepoChanges>,
pub worktrees: usize,
pub submodules: Option<Vec<(String, SubmoduleStatus)>>,
pub branches: Vec<(String, Option<(String, RemoteTrackingStatus)>)>,
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn check_ssh_remote() {
assert_eq!(
detect_remote_type("ssh://git@example.com"),
Some(RemoteType::Ssh)
);
assert_eq!(detect_remote_type("git@example.git"), Some(RemoteType::Ssh));
}
#[test]
fn check_https_remote() {
assert_eq!(
detect_remote_type("https://example.com"),
Some(RemoteType::Https)
);
assert_eq!(
detect_remote_type("https://example.com/test.git"),
Some(RemoteType::Https)
);
}
#[test]
fn check_file_remote() {
assert_eq!(
detect_remote_type("file:///somedir"),
Some(RemoteType::File)
);
}
#[test]
fn check_invalid_remotes() {
assert_eq!(detect_remote_type("https//example.com"), None);
assert_eq!(detect_remote_type("https:example.com"), None);
assert_eq!(detect_remote_type("ssh//example.com"), None);
assert_eq!(detect_remote_type("ssh:example.com"), None);
assert_eq!(detect_remote_type("git@example.com"), None);
}
#[test]
#[should_panic]
fn check_unsupported_protocol_http() {
detect_remote_type("http://example.com");
}
#[test]
#[should_panic]
fn check_unsupported_protocol_git() {
detect_remote_type("git://example.com");
}
}
pub fn detect_remote_type(remote_url: &str) -> Option<RemoteType> {
let git_regex = regex::Regex::new(r"^[a-zA-Z]+@.*$").unwrap();
if remote_url.starts_with("ssh://") {
return Some(RemoteType::Ssh);
}
if git_regex.is_match(remote_url) && remote_url.ends_with(".git") {
return Some(RemoteType::Ssh);
}
if remote_url.starts_with("https://") {
return Some(RemoteType::Https);
}
if remote_url.starts_with("file://") {
return Some(RemoteType::File);
}
if remote_url.starts_with("http://") {
unimplemented!("Remotes using HTTP protocol are not supported");
}
if remote_url.starts_with("git://") {
unimplemented!("Remotes using git protocol are not supported");
}
None
}
pub struct Repo(git2::Repository);
pub struct Branch<'a>(git2::Branch<'a>);
fn convert_libgit2_error(error: git2::Error) -> String {
error.message().to_string()
}
impl Repo {
pub fn open(path: &Path, is_worktree: bool) -> Result<Self, RepoError> {
let open_func = match is_worktree {
true => Repository::open_bare,
false => Repository::open,
};
let path = match is_worktree {
true => path.join(crate::GIT_MAIN_WORKTREE_DIRECTORY),
false => path.to_path_buf(),
};
match open_func(path) {
Ok(r) => Ok(Self(r)),
Err(e) => match e.code() {
git2::ErrorCode::NotFound => Err(RepoError::new(RepoErrorKind::NotFound)),
_ => Err(RepoError::new(RepoErrorKind::Unknown(
convert_libgit2_error(e),
))),
},
}
}
pub fn graph_ahead_behind(
&self,
local_branch: &Branch,
remote_branch: &Branch,
) -> Result<(usize, usize), String> {
self.0
.graph_ahead_behind(
local_branch.commit()?.id().0,
remote_branch.commit()?.id().0,
)
.map_err(convert_libgit2_error)
}
pub fn head_branch(&self) -> Result<Branch, String> {
let head = self.0.head().map_err(convert_libgit2_error)?;
if !head.is_branch() {
return Err(String::from("No branch checked out"));
}
// unwrap() is safe here, as we can be certain that a branch with that
// name exists
let branch = self
.find_local_branch(
head
.shorthand()
.expect("Branch name is not valid utf-8"),
)
.unwrap();
Ok(branch)
}
pub fn remote_set_url(&self, name: &str, url: &str) -> Result<(), String> {
self.0
.remote_set_url(name, url)
.map_err(convert_libgit2_error)
}
pub fn remote_delete(&self, name: &str) -> Result<(), String> {
self.0.remote_delete(name).map_err(convert_libgit2_error)
}
pub fn is_empty(&self) -> Result<bool, String> {
self.0.is_empty().map_err(convert_libgit2_error)
}
pub fn is_bare(&self) -> bool {
self.0.is_bare()
}
pub fn new_worktree(
&self,
name: &str,
directory: &Path,
target_branch: &Branch,
) -> Result<(), String> {
self.0
.worktree(
name,
directory,
Some(git2::WorktreeAddOptions::new().reference(Some(target_branch.as_reference()))),
)
.map_err(convert_libgit2_error)?;
Ok(())
}
pub fn remotes(&self) -> Result<Vec<String>, String> {
Ok(self
.0
.remotes()
.map_err(convert_libgit2_error)?
.iter()
.map(|name| name.expect("Remote name is invalid utf-8"))
.map(|name| name.to_owned())
.collect())
}
pub fn new_remote(&self, name: &str, url: &str) -> Result<(), String> {
self.0.remote(name, url).map_err(convert_libgit2_error)?;
Ok(())
}
pub fn init(path: &Path, is_worktree: bool) -> Result<Self, String> {
let repo = match is_worktree {
false => Repository::init(path).map_err(convert_libgit2_error)?,
true => Repository::init_bare(path.join(crate::GIT_MAIN_WORKTREE_DIRECTORY))
.map_err(convert_libgit2_error)?,
};
let repo = Repo(repo);
if is_worktree {
repo.set_config_push(GitPushDefaultSetting::Upstream)?;
}
Ok(repo)
}
pub fn config(&self) -> Result<git2::Config, String> {
self.0.config().map_err(convert_libgit2_error)
}
pub fn find_worktree(&self, name: &str) -> Result<(), String> {
self.0.find_worktree(name).map_err(convert_libgit2_error)?;
Ok(())
}
pub fn prune_worktree(&self, name: &str) -> Result<(), String> {
let worktree = self.0.find_worktree(name).map_err(convert_libgit2_error)?;
worktree.prune(None).map_err(convert_libgit2_error)?;
Ok(())
}
pub fn find_remote_branch(
&self,
remote_name: &str,
branch_name: &str,
) -> Result<Branch, String> {
Ok(Branch(
self.0
.find_branch(
&format!("{}/{}", remote_name, branch_name),
git2::BranchType::Remote,
)
.map_err(convert_libgit2_error)?,
))
}
pub fn find_local_branch(&self, name: &str) -> Result<Branch, String> {
Ok(Branch(
self.0
.find_branch(name, git2::BranchType::Local)
.map_err(convert_libgit2_error)?,
))
}
pub fn create_branch(&self, name: &str, target: &Commit) -> Result<Branch, String> {
Ok(Branch(
self.0
.branch(name, &target.0, false)
.map_err(convert_libgit2_error)?,
))
}
pub fn make_bare(&self, value: bool) -> Result<(), String> {
let mut config = self.config()?;
config
.set_bool(crate::GIT_CONFIG_BARE_KEY, value)
.map_err(|error| format!("Could not set {}: {}", crate::GIT_CONFIG_BARE_KEY, error))
}
pub fn convert_to_worktree(&self, root_dir: &Path) -> Result<(), String> {
std::fs::rename(".git", crate::GIT_MAIN_WORKTREE_DIRECTORY)
.map_err(|error| format!("Error moving .git directory: {}", error))?;
for entry in match std::fs::read_dir(&root_dir) {
Ok(iterator) => iterator,
Err(error) => {
return Err(format!("Opening directory failed: {}", error));
}
} {
match entry {
Ok(entry) => {
let path = entry.path();
// unwrap is safe here, the path will ALWAYS have a file component
if path.file_name().unwrap() == crate::GIT_MAIN_WORKTREE_DIRECTORY {
continue;
}
if path.is_file() || path.is_symlink() {
if let Err(error) = std::fs::remove_file(&path) {
return Err(format!("Failed removing {}", error));
}
} else if let Err(error) = std::fs::remove_dir_all(&path) {
return Err(format!("Failed removing {}", error));
}
}
Err(error) => {
return Err(format!("Error getting directory entry: {}", error));
}
}
}
let worktree_repo = Repo::open(root_dir, true)
.map_err(|error| format!("Opening newly converted repository failed: {}", error))?;
worktree_repo
.make_bare(true)
.map_err(|error| format!("Error: {}", error))?;
worktree_repo
.set_config_push(GitPushDefaultSetting::Upstream)
.map_err(|error| format!("Error: {}", error))?;
Ok(())
}
pub fn set_config_push(&self, value: GitPushDefaultSetting) -> Result<(), String> {
let mut config = self.config()?;
config
.set_str(
crate::GIT_CONFIG_PUSH_DEFAULT,
match value {
GitPushDefaultSetting::Upstream => "upstream",
},
)
.map_err(|error| {
format!(
"Could not set {}: {}",
crate::GIT_CONFIG_PUSH_DEFAULT,
error
)
})
}
pub fn status(&self, is_worktree: bool) -> Result<RepoStatus, String> {
let operation = match self.0.state() {
git2::RepositoryState::Clean => None,
state => Some(state),
};
let empty = self.is_empty()?;
let remotes = self
.0
.remotes()
.map_err(convert_libgit2_error)?
.iter()
.map(|repo_name| repo_name.expect("Worktree name is invalid utf-8."))
.map(|repo_name| repo_name.to_owned())
.collect::<Vec<String>>();
let head = match is_worktree {
true => None,
false => match empty {
true => None,
false => Some(self.head_branch()?.name()?),
},
};
let changes = match is_worktree {
true => {
return Err(String::from(
"Cannot get changes as this is a bare worktree repository",
))
}
false => {
let statuses = self
.0
.statuses(Some(
git2::StatusOptions::new()
.include_ignored(false)
.include_untracked(true),
))
.map_err(convert_libgit2_error)?;
match statuses.is_empty() {
true => None,
false => {
let mut files_new = 0;
let mut files_modified = 0;
let mut files_deleted = 0;
for status in statuses.iter() {
let status_bits = status.status();
if status_bits.intersects(
git2::Status::INDEX_MODIFIED
| git2::Status::INDEX_RENAMED
| git2::Status::INDEX_TYPECHANGE
| git2::Status::WT_MODIFIED
| git2::Status::WT_RENAMED
| git2::Status::WT_TYPECHANGE,
) {
files_modified += 1;
} else if status_bits
.intersects(git2::Status::INDEX_NEW | git2::Status::WT_NEW)
{
files_new += 1;
} else if status_bits
.intersects(git2::Status::INDEX_DELETED | git2::Status::WT_DELETED)
{
files_deleted += 1;
}
}
if (files_new, files_modified, files_deleted) == (0, 0, 0) {
panic!(
"is_empty() returned true, but no file changes were detected. This is a bug!"
);
}
Some(RepoChanges {
files_new,
files_modified,
files_deleted,
})
}
}
}
};
let worktrees = self.0.worktrees().unwrap().len();
let submodules = match is_worktree {
true => None,
false => {
let mut submodules = Vec::new();
for submodule in self.0.submodules().unwrap() {
let submodule_name = submodule.name().unwrap().to_string();
let submodule_status;
let status = self
.0
.submodule_status(submodule.name().unwrap(), git2::SubmoduleIgnore::None)
.unwrap();
if status.intersects(
git2::SubmoduleStatus::WD_INDEX_MODIFIED
| git2::SubmoduleStatus::WD_WD_MODIFIED
| git2::SubmoduleStatus::WD_UNTRACKED,
) {
submodule_status = SubmoduleStatus::Changed;
} else if status.is_wd_uninitialized() {
submodule_status = SubmoduleStatus::Uninitialized;
} else if status.is_wd_modified() {
submodule_status = SubmoduleStatus::OutOfDate;
} else {
submodule_status = SubmoduleStatus::Clean;
}
submodules.push((submodule_name, submodule_status));
}
Some(submodules)
}
};
let mut branches = Vec::new();
for (local_branch, _) in self
.0
.branches(Some(git2::BranchType::Local))
.unwrap()
.map(|branch_name| branch_name.unwrap())
{
let branch_name = local_branch.name().unwrap().unwrap().to_string();
let remote_branch = match local_branch.upstream() {
Ok(remote_branch) => {
let remote_branch_name = remote_branch.name().unwrap().unwrap().to_string();
let (ahead, behind) = self
.0
.graph_ahead_behind(
local_branch.get().peel_to_commit().unwrap().id(),
remote_branch.get().peel_to_commit().unwrap().id(),
)
.unwrap();
let remote_tracking_status = match (ahead, behind) {
(0, 0) => RemoteTrackingStatus::UpToDate,
(0, d) => RemoteTrackingStatus::Behind(d),
(d, 0) => RemoteTrackingStatus::Ahead(d),
(d1, d2) => RemoteTrackingStatus::Diverged(d1, d2),
};
Some((remote_branch_name, remote_tracking_status))
}
// Err => no remote branch
Err(_) => None,
};
branches.push((branch_name, remote_branch));
}
Ok(RepoStatus {
operation,
empty,
remotes,
head,
changes,
worktrees,
submodules,
branches,
})
}
pub fn default_branch(&self) -> Result<Branch, String> {
match self.0.find_branch("main", git2::BranchType::Local) {
Ok(branch) => Ok(Branch(branch)),
Err(_) => match self.0.find_branch("master", git2::BranchType::Local) {
Ok(branch) => Ok(Branch(branch)),
Err(_) => Err(String::from("Could not determine default branch")),
},
}
}
// Looks like there is no distinguishing between the error cases
// "no such remote" and "failed to get remote for some reason".
// May be a good idea to handle this explicitly, by returning a
// Result<Option<RemoteHandle>, String> instead, Returning Ok(None)
// on "not found" and Err() on an actual error.
pub fn find_remote(&self, remote_name: &str) -> Result<Option<RemoteHandle>, String> {
let remotes = self.0.remotes().map_err(convert_libgit2_error)?;
if !remotes
.iter()
.any(|remote| remote.expect("Remote name is invalid utf-8") == remote_name)
{
return Ok(None);
}
Ok(Some(RemoteHandle(
self.0
.find_remote(remote_name)
.map_err(convert_libgit2_error)?,
)))
}
pub fn get_worktrees(&self) -> Result<Vec<String>, String> {
Ok(self
.0
.worktrees()
.map_err(convert_libgit2_error)?
.iter()
.map(|name| name.expect("Worktree name is invalid utf-8"))
.map(|name| name.to_string())
.collect())
}
pub fn remove_worktree(
&self,
name: &str,
worktree_dir: &Path,
force: bool,
worktree_config: &Option<WorktreeRootConfig>,
) -> Result<(), WorktreeRemoveFailureReason> {
if !worktree_dir.exists() {
return Err(WorktreeRemoveFailureReason::Error(format!(
"{} does not exist",
name
)));
}
let worktree_repo = Repo::open(worktree_dir, false).map_err(|error| {
WorktreeRemoveFailureReason::Error(format!("Error opening repo: {}", error))
})?;
let local_branch = worktree_repo.head_branch().map_err(|error| {
WorktreeRemoveFailureReason::Error(format!("Failed getting head branch: {}", error))
})?;
let branch_name = local_branch.name().map_err(|error| {
WorktreeRemoveFailureReason::Error(format!("Failed getting name of branch: {}", error))
})?;
if branch_name != name
&& !branch_name.ends_with(&format!("{}{}", crate::BRANCH_NAMESPACE_SEPARATOR, name))
{
return Err(WorktreeRemoveFailureReason::Error(format!(
"Branch {} is checked out in worktree, this does not look correct",
&branch_name
)));
}
let branch = worktree_repo
.find_local_branch(&branch_name)
.map_err(WorktreeRemoveFailureReason::Error)?;
if !force {
let status = worktree_repo
.status(false)
.map_err(WorktreeRemoveFailureReason::Error)?;
if status.changes.is_some() {
return Err(WorktreeRemoveFailureReason::Changes(String::from(
"Changes found in worktree",
)));
}
let mut is_merged_into_persistent_branch = false;
let mut has_persistent_branches = false;
if let Some(config) = worktree_config {
if let Some(branches) = &config.persistent_branches {
has_persistent_branches = true;
for persistent_branch in branches {
let persistent_branch = worktree_repo
.find_local_branch(persistent_branch)
.map_err(WorktreeRemoveFailureReason::Error)?;
let (ahead, _behind) = worktree_repo
.graph_ahead_behind(&branch, &persistent_branch)
.unwrap();
if ahead == 0 {
is_merged_into_persistent_branch = true;
}
}
}
}
if has_persistent_branches && !is_merged_into_persistent_branch {
return Err(WorktreeRemoveFailureReason::NotMerged(format!(
"Branch {} is not merged into any persistent branches",
name
)));
}
if !has_persistent_branches {
match branch.upstream() {
Ok(remote_branch) => {
let (ahead, behind) = worktree_repo
.graph_ahead_behind(&branch, &remote_branch)
.unwrap();
if (ahead, behind) != (0, 0) {
return Err(WorktreeRemoveFailureReason::Changes(format!(
"Branch {} is not in line with remote branch",
name
)));
}
}
Err(_) => {
return Err(WorktreeRemoveFailureReason::Changes(format!(
"No remote tracking branch for branch {} found",
name
)));
}
}
}
}
if let Err(e) = std::fs::remove_dir_all(&worktree_dir) {
return Err(WorktreeRemoveFailureReason::Error(format!(
"Error deleting {}: {}",
&worktree_dir.display(),
e
)));
}
self.prune_worktree(name)
.map_err(WorktreeRemoveFailureReason::Error)?;
branch
.delete()
.map_err(WorktreeRemoveFailureReason::Error)?;
Ok(())
}
pub fn cleanup_worktrees(&self, directory: &Path) -> Result<Vec<String>, String> {
let mut warnings = Vec::new();
let worktrees = self
.get_worktrees()
.map_err(|error| format!("Getting worktrees failed: {}", error))?;
let default_branch = self
.default_branch()
.map_err(|error| format!("Failed getting default branch: {}", error))?;
let default_branch_name = default_branch
.name()
.map_err(|error| format!("Failed getting default branch name: {}", error))?;
let config = read_worktree_root_config(directory)?;
for worktree in worktrees
.iter()
.filter(|worktree| *worktree != &default_branch_name)
.filter(|worktree| match &config {
None => true,
Some(config) => match &config.persistent_branches {
None => true,
Some(branches) => !branches.contains(worktree),
},
})
{
let repo_dir = &directory.join(&worktree);
if repo_dir.exists() {
match self.remove_worktree(worktree, repo_dir, false, &config) {
Ok(_) => print_success(&format!("Worktree {} deleted", &worktree)),
Err(error) => match error {
WorktreeRemoveFailureReason::Changes(changes) => {
warnings.push(format!(
"Changes found in {}: {}, skipping",
&worktree, &changes
));
continue;
}
WorktreeRemoveFailureReason::NotMerged(message) => {
warnings.push(message);
continue;
}
WorktreeRemoveFailureReason::Error(error) => {
return Err(error);
}
},
}
} else {
warnings.push(format!("Worktree {} does not have a directory", &worktree));
}
}
Ok(warnings)
}
pub fn find_unmanaged_worktrees(&self, directory: &Path) -> Result<Vec<String>, String> {
let worktrees = self
.get_worktrees()
.map_err(|error| format!("Getting worktrees failed: {}", error))?;
let mut unmanaged_worktrees = Vec::new();
for entry in std::fs::read_dir(&directory).map_err(|error| error.to_string())? {
let dirname = crate::path_as_string(
entry
.map_err(|error| error.to_string())?
.path()
.strip_prefix(&directory)
// that unwrap() is safe as each entry is
// guaranteed to be a subentry of &directory
.unwrap(),
);
let default_branch = self
.default_branch()
.map_err(|error| format!("Failed getting default branch: {}", error))?;
let default_branch_name = default_branch
.name()
.map_err(|error| format!("Failed getting default branch name: {}", error))?;
if dirname == crate::GIT_MAIN_WORKTREE_DIRECTORY {
continue;
}
if dirname == WORKTREE_CONFIG_FILE_NAME {
continue;
}
if dirname == default_branch_name {
continue;
}
if !&worktrees.contains(&dirname) {
unmanaged_worktrees.push(dirname);
}
}
Ok(unmanaged_worktrees)
}
pub fn detect_worktree(path: &Path) -> bool {
path.join(crate::GIT_MAIN_WORKTREE_DIRECTORY).exists()
}
}
pub struct RemoteHandle<'a>(git2::Remote<'a>);
pub struct Commit<'a>(git2::Commit<'a>);
pub struct Reference<'a>(git2::Reference<'a>);
pub struct Oid(git2::Oid);
impl Oid {
pub fn hex_string(&self) -> String {
self.0.to_string()
}
}
impl Commit<'_> {
pub fn id(&self) -> Oid {
Oid(self.0.id())
}
}
impl<'a> Branch<'a> {
pub fn to_commit(self) -> Result<Commit<'a>, String> {
Ok(Commit(
self.0
.into_reference()
.peel_to_commit()
.map_err(convert_libgit2_error)?,
))
}
}
impl Branch<'_> {
pub fn commit(&self) -> Result<Commit, String> {
Ok(Commit(
self.0
.get()
.peel_to_commit()
.map_err(convert_libgit2_error)?,
))
}
pub fn set_upstream(&mut self, remote_name: &str, branch_name: &str) -> Result<(), String> {
self.0
.set_upstream(Some(&format!("{}/{}", remote_name, branch_name)))
.map_err(convert_libgit2_error)?;
Ok(())
}
pub fn name(&self) -> Result<String, String> {
self.0
.name()
.map(|name| name.expect("Branch name is invalid utf-8"))
.map_err(convert_libgit2_error)
.map(|name| name.to_string())
}
pub fn upstream(&self) -> Result<Branch, String> {
Ok(Branch(self.0.upstream().map_err(convert_libgit2_error)?))
}
pub fn delete(mut self) -> Result<(), String> {
self.0.delete().map_err(convert_libgit2_error)
}
// only used internally in this module, exposes libgit2 details
fn as_reference(&self) -> &git2::Reference {
self.0.get()
}
}
impl RemoteHandle<'_> {
pub fn url(&self) -> String {
self.0
.url()
.expect("Remote URL is invalid utf-8")
.to_string()
}
pub fn name(&self) -> String {
self.0
.name()
.expect("Remote name is invalid utf-8")
.to_string()
}
pub fn push(
&mut self,
local_branch_name: &str,
remote_branch_name: &str,
_repo: &Repo,
) -> Result<(), String> {
let mut callbacks = git2::RemoteCallbacks::new();
callbacks.push_update_reference(|_, status| {
if let Some(message) = status {
return Err(git2::Error::new(
git2::ErrorCode::GenericError,
git2::ErrorClass::None,
message,
));
}
Ok(())
});
callbacks.credentials(|_url, username_from_url, _allowed_types| {
git2::Cred::ssh_key_from_agent(username_from_url.unwrap())
});
let mut push_options = git2::PushOptions::new();
push_options.remote_callbacks(callbacks);
let push_refspec = format!(
"+refs/heads/{}:refs/heads/{}",
local_branch_name, remote_branch_name
);
self.0
.push(&[push_refspec], Some(&mut push_options))
.map_err(|error| {
format!(
"Pushing {} to {} ({}) failed: {}",
local_branch_name,
self.name(),
self.url(),
error
)
})?;
Ok(())
}
}
pub fn clone_repo(
remote: &Remote,
path: &Path,
is_worktree: bool,
) -> Result<(), Box<dyn std::error::Error>> {
let clone_target = match is_worktree {
false => path.to_path_buf(),
true => path.join(crate::GIT_MAIN_WORKTREE_DIRECTORY),
};
print_action(&format!(
"Cloning into \"{}\" from \"{}\"",
&clone_target.display(),
&remote.url
));
match remote.remote_type {
RemoteType::Https | RemoteType::File => {
let mut builder = git2::build::RepoBuilder::new();
builder.bare(is_worktree);
builder.clone(&remote.url, &clone_target)?;
}
RemoteType::Ssh => {
let mut callbacks = RemoteCallbacks::new();
callbacks.credentials(|_url, username_from_url, _allowed_types| {
Cred::ssh_key_from_agent(username_from_url.unwrap())
});
let mut fo = git2::FetchOptions::new();
fo.remote_callbacks(callbacks);
let mut builder = git2::build::RepoBuilder::new();
builder.bare(is_worktree);
builder.fetch_options(fo);
builder.clone(&remote.url, &clone_target)?;
}
}
if is_worktree {
let repo = Repo::open(&clone_target, false)?;
repo.set_config_push(GitPushDefaultSetting::Upstream)?;
}
Ok(())
}