use std::fmt;
use std::io;
use std::process::ExitStatus;
use crate::node::NodeId;
use crate::prelude::RepoId;
/// Events that can occur when an upload-pack process is running.
#[derive(Clone, Debug, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
pub enum UploadPack {
/// The upload-pack process finished with `status`.
Done {
/// The repository being fetched.
rid: RepoId,
/// The node being fetched from.
remote: NodeId,
/// The status code of the upload-pack process.
///
/// N.b. `ExitStatus` cannot be de/serialized, so the `Display` of the
/// status is used instead.
status: String,
},
/// The upload-pack process emitted some [`Progress`] data.
Write {
/// The repository being fetched.
rid: RepoId,
/// The node being fetched from.
remote: NodeId,
/// The progress metadata of the upload-pack.
progress: Progress,
},
/// An error occurred during the upload-pack process.
Error {
/// The repository being fetched.
rid: RepoId,
/// The node being fetched from.
remote: NodeId,
/// The error that occurred during the upload-pack.
err: String,
},
/// The upload-pack packfile transmission progress.
PackProgress {
/// The repository being fetched.
rid: RepoId,
/// The node being fetched from.
remote: NodeId,
/// The total number of bytes transmitted.
transmitted: usize,
},
}
impl UploadPack {
/// Construct a `UploadPack::PackProgress` event.
pub fn pack_progress(rid: RepoId, remote: NodeId, transmitted: usize) -> Self {
Self::PackProgress {
rid,
remote,
transmitted,
}
}
/// Construct a `UploadPack::Write` event.
pub fn write(rid: RepoId, remote: NodeId, progress: Progress) -> Self {
Self::Write {
rid,
remote,
progress,
}
}
/// Construct a `UploadPack::Done` event.
///
/// If `error` is `None` the process finished successfully; otherwise, it
/// finished with an error.
pub fn done(rid: RepoId, remote: NodeId, status: ExitStatus) -> Self {
Self::Done {
rid,
remote,
status: status.to_string(),
}
}
pub fn error(rid: RepoId, remote: NodeId, err: io::Error) -> Self {
Self::Error {
rid,
remote,
err: err.to_string(),
}
}
}
/// Progress updates emitted from the `git-upload-pack` process.
#[derive(Clone, Debug, PartialEq, Eq, Hash, serde::Serialize, serde::Deserialize)]
#[serde(rename_all = "camelCase")]
pub enum Progress {
Enumerating { total: usize },
Counting { processed: usize, total: usize },
Compressing { processed: usize, total: usize },
}
impl fmt::Display for Progress {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Progress::Enumerating { total } => write!(f, "Enumerating objects: {total}"),
Progress::Counting { processed, total } => {
let percent = (processed / total) * 100;
write!(f, "Counting objects: {percent}% ({processed}/{total})")
}
Progress::Compressing { processed, total } => {
let percent = (processed / total) * 100;
write!(f, "Compressing objects: {percent}% ({processed}/{total})")
}
}
}
}