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|
#[derive(Debug)]
pub struct Info {
modified_files: bool,
staged_files: bool,
new_files: bool,
commits: bool,
active_operation: ActiveOperation,
branch: Option<String>,
remote_branch_diff: Option<(usize, usize)>,
}
const MODIFIED: git2::Status = git2::Status::WT_DELETED
.union(git2::Status::WT_MODIFIED)
.union(git2::Status::WT_RENAMED)
.union(git2::Status::WT_TYPECHANGE)
.union(git2::Status::CONFLICTED);
const STAGED: git2::Status = git2::Status::INDEX_DELETED
.union(git2::Status::INDEX_MODIFIED)
.union(git2::Status::INDEX_NEW)
.union(git2::Status::INDEX_RENAMED)
.union(git2::Status::INDEX_TYPECHANGE);
const NEW: git2::Status = git2::Status::WT_NEW;
impl Info {
pub fn new(git: &git2::Repository) -> Self {
let mut status_options = git2::StatusOptions::new();
status_options.include_untracked(true);
status_options.update_index(true);
let statuses = git.statuses(Some(&mut status_options));
let mut modified_files = false;
let mut staged_files = false;
let mut new_files = false;
if let Ok(statuses) = statuses {
for file in statuses.iter() {
if file.status().intersects(MODIFIED) {
modified_files = true;
}
if file.status().intersects(STAGED) {
staged_files = true;
}
if file.status().intersects(NEW) {
new_files = true;
}
}
}
let head = git.head();
let mut commits = false;
let mut branch = None;
let mut remote_branch_diff = None;
if let Ok(head) = head {
commits = true;
if head.is_branch() {
branch = head.shorthand().map(ToString::to_string);
remote_branch_diff =
head.resolve()
.ok()
.map(|head| {
(
head.target(),
head.shorthand().map(ToString::to_string),
)
})
.and_then(|(head_id, name)| {
head_id.and_then(|head_id| {
name.and_then(|name| {
git.refname_to_id(&format!(
"refs/remotes/origin/{}",
name
))
.ok()
.and_then(|remote_id| {
git.graph_ahead_behind(
head_id, remote_id,
)
.ok()
})
})
})
});
} else {
branch =
head.resolve().ok().and_then(|head| head.target()).map(
|oid| {
let mut sha: String = oid
.as_bytes()
.iter()
.take(4)
.map(|b| format!("{:02x}", b))
.collect();
sha.truncate(7);
sha
},
);
}
}
let active_operation = match git.state() {
git2::RepositoryState::Merge => ActiveOperation::Merge,
git2::RepositoryState::Revert
| git2::RepositoryState::RevertSequence => {
ActiveOperation::Revert
}
git2::RepositoryState::CherryPick
| git2::RepositoryState::CherryPickSequence => {
ActiveOperation::CherryPick
}
git2::RepositoryState::Bisect => ActiveOperation::Bisect,
git2::RepositoryState::Rebase
| git2::RepositoryState::RebaseInteractive
| git2::RepositoryState::RebaseMerge => ActiveOperation::Rebase,
_ => ActiveOperation::None,
};
Self {
modified_files,
staged_files,
new_files,
commits,
active_operation,
branch,
remote_branch_diff,
}
}
}
impl std::fmt::Display for Info {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "g")?;
if self.modified_files {
write!(f, "*")?;
}
if self.staged_files {
write!(f, "+")?;
}
if self.new_files {
write!(f, "?")?;
}
if !self.commits {
write!(f, "!")?;
return Ok(());
}
let branch = self.branch.as_ref().map_or("???", |branch| {
if branch == "master" {
""
} else {
branch
}
});
if !branch.is_empty() {
write!(f, ":")?;
}
write!(f, "{}", branch)?;
if let Some((local, remote)) = self.remote_branch_diff {
if local > 0 || remote > 0 {
write!(f, ":")?;
}
if local > 0 {
write!(f, "+{}", local)?;
}
if remote > 0 {
write!(f, "-{}", remote)?;
}
} else {
write!(f, ":-")?;
}
write!(f, "{}", self.active_operation)?;
Ok(())
}
}
#[derive(Debug, Copy, Clone)]
pub enum ActiveOperation {
None,
Merge,
Revert,
CherryPick,
Bisect,
Rebase,
}
impl std::fmt::Display for ActiveOperation {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
ActiveOperation::None => Ok(()),
ActiveOperation::Merge => write!(f, "(m)"),
ActiveOperation::Revert => write!(f, "(v)"),
ActiveOperation::CherryPick => write!(f, "(c)"),
ActiveOperation::Bisect => write!(f, "(b)"),
ActiveOperation::Rebase => write!(f, "(r)"),
}
}
}
|
