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|
use git2;
use std;
use std::fmt::Write;
#[derive(Debug)]
pub struct GitInfo {
modified_files: bool,
staged_files: bool,
new_files: bool,
commits: bool,
active_operation: super::ActiveOperation,
branch: Option<String>,
remote_branch_diff: Option<(usize, usize)>,
}
impl GitInfo {
pub fn new(git: git2::Repository) -> GitInfo {
let mut modified_statuses = git2::Status::empty();
modified_statuses.insert(git2::STATUS_WT_DELETED);
modified_statuses.insert(git2::STATUS_WT_MODIFIED);
modified_statuses.insert(git2::STATUS_WT_RENAMED);
modified_statuses.insert(git2::STATUS_WT_TYPECHANGE);
let mut staged_statuses = git2::Status::empty();
staged_statuses.insert(git2::STATUS_INDEX_DELETED);
staged_statuses.insert(git2::STATUS_INDEX_MODIFIED);
staged_statuses.insert(git2::STATUS_INDEX_NEW);
staged_statuses.insert(git2::STATUS_INDEX_RENAMED);
staged_statuses.insert(git2::STATUS_INDEX_TYPECHANGE);
let mut new_statuses = git2::Status::empty();
new_statuses.insert(git2::STATUS_WT_NEW);
let mut status_options = git2::StatusOptions::new();
status_options.include_untracked(true);
if true { // XXX
status_options.update_index(true);
}
else {
status_options.update_index(false);
status_options.no_refresh(true);
}
let status = git.statuses(Some(&mut status_options));
let mut modified_files = false;
let mut staged_files = false;
let mut new_files = false;
for status in status.iter() {
for file in status.iter() {
if file.status().intersects(modified_statuses) {
modified_files = true;
}
if file.status().intersects(staged_statuses) {
staged_files = true;
}
if file.status().intersects(new_statuses) {
new_files = true;
}
}
}
let head = git.head();
let commits = head.is_ok();
let branch = head.ok()
.and_then(|head| {
if head.is_branch() {
head.shorthand().map(|s| s.to_string())
}
else {
head.resolve().ok()
.and_then(|head| head.target())
.map(|oid| {
let mut sha = String::new();
for b in oid.as_bytes().iter() {
write!(sha, "{:02x}", b).unwrap();
}
sha.truncate(7);
sha
})
}
});
let active_operation = match git.state() {
git2::RepositoryState::Merge
=> super::ActiveOperation::Merge,
git2::RepositoryState::Revert
| git2::RepositoryState::RevertSequence
=> super::ActiveOperation::Revert,
git2::RepositoryState::CherryPick
| git2::RepositoryState::CherryPickSequence
=> super::ActiveOperation::CherryPick,
git2::RepositoryState::Bisect
=> super::ActiveOperation::Bisect,
git2::RepositoryState::Rebase
| git2::RepositoryState::RebaseInteractive
| git2::RepositoryState::RebaseMerge
=> super::ActiveOperation::Rebase,
_ => super::ActiveOperation::None,
};
let remote_branch_diff = git.head().ok()
.and_then(|head| if head.is_branch() { Some(head) } else { None })
.and_then(|head| {
head.resolve().ok()
})
.map(|head| {
(head.target(), head.shorthand().map(|s| s.to_string()))
})
.and_then(|(head_id, name)| {
head_id.and_then(|head_id| {
name.and_then(|name| {
git.refname_to_id(
&(String::from("refs/remotes/origin/") + &name)
).ok().and_then(|remote_id| {
git.graph_ahead_behind(head_id, remote_id).ok()
})
})
})
});
GitInfo {
modified_files: modified_files,
staged_files: staged_files,
new_files: new_files,
commits: commits,
active_operation: active_operation,
branch: branch,
remote_branch_diff: remote_branch_diff,
}
}
}
impl super::VcsInfo for GitInfo {
fn vcs(&self) -> super::VcsType {
super::VcsType::Git
}
fn has_modified_files(&self) -> bool {
self.modified_files
}
fn has_staged_files(&self) -> bool {
self.staged_files
}
fn has_new_files(&self) -> bool {
self.new_files
}
fn has_commits(&self) -> bool {
self.commits
}
fn active_operation(&self) -> super::ActiveOperation {
self.active_operation
}
fn branch(&self) -> Option<String> {
self.branch.clone()
}
fn remote_branch_diff(&self) -> Option<(usize, usize)> {
self.remote_branch_diff
}
}
pub fn detect() -> Option<Box<super::VcsInfo>> {
let git = std::env::current_dir().ok().and_then(|pwd| {
git2::Repository::discover(pwd).ok()
});
if let Some(git) = git {
Some(Box::new(GitInfo::new(git)))
}
else {
None
}
}
|
