Remove redundant `commit` module

This code was replaced with an external dependency.
This commit is contained in:
Alexis Sellier 2023-01-29 17:50:31 +01:00
parent 33d8c35189
commit aac0059064
No known key found for this signature in database
1 changed files with 0 additions and 185 deletions

View File

@ -430,188 +430,3 @@ pub mod url {
}
}
}
/// Parsing and formatting of commit objects.
/// This module exists to work with commits that have multiple signature headers.
pub mod commit {
use std::str::FromStr;
/// A parsed commit object.
/// Contains the full commit header and body.
///
/// Can be created with the [`FromStr`] instance, and formatted with the [`ToString`]
/// instance.
#[derive(Debug)]
pub struct CommitObject {
headers: Vec<(String, String)>,
message: String,
}
impl CommitObject {
/// Get the commit message.
pub fn message(&self) -> &str {
self.message.as_str()
}
/// Iterate over the headers, in order.
pub fn headers(&self) -> impl Iterator<Item = (&str, &str)> {
self.headers.iter().map(|(k, v)| (k.as_str(), v.as_str()))
}
/// Iterate over matching header values.
pub fn values<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a str> + '_ {
self.headers
.iter()
.filter(move |(k, _)| k == name)
.map(|(_, v)| v.as_str())
}
/// Push a header to the end of the headers section.
pub fn push_header(&mut self, name: &str, value: &str) {
self.headers
.push((name.to_owned(), value.trim().to_owned()));
}
}
#[derive(thiserror::Error, Debug)]
pub enum ParseError {
#[error("invalid git commit object format")]
InvalidFormat,
}
impl TryFrom<git2::Buf> for CommitObject {
type Error = ParseError;
fn try_from(value: git2::Buf) -> Result<Self, Self::Error> {
value.as_str().ok_or(ParseError::InvalidFormat)?.parse()
}
}
impl FromStr for CommitObject {
type Err = ParseError;
fn from_str(buffer: &str) -> Result<Self, Self::Err> {
let mut headers = Vec::new();
let (header, message) = buffer.split_once("\n\n").ok_or(ParseError::InvalidFormat)?;
for line in header.lines() {
if let Some(rest) = line.strip_prefix(' ') {
let value: &mut String = headers
.last_mut()
.map(|(_, v)| v)
.ok_or(ParseError::InvalidFormat)?;
value.push('\n');
value.push_str(rest);
} else if let Some((name, value)) = line.split_once(' ') {
headers.push((name.to_owned(), value.to_owned()));
} else {
return Err(ParseError::InvalidFormat);
}
}
Ok(Self {
headers,
message: message.to_owned(),
})
}
}
impl ToString for CommitObject {
fn to_string(&self) -> String {
let mut buf = String::new();
for (name, value) in &self.headers {
buf.push_str(name);
buf.push(' ');
buf.push_str(value.replace('\n', "\n ").as_str());
buf.push('\n');
}
buf.push('\n');
buf.push_str(self.message.as_str());
buf
}
}
#[cfg(test)]
mod test {
use super::*;
const UNSIGNED: &str = "\
tree c66cc435f83ed0fba90ed4500e9b4b96e9bd001b
parent af06ad645133f580a87895353508053c5de60716
author Alexis Sellier <alexis@radicle.xyz> 1664467633 +0200
committer Alexis Sellier <alexis@radicle.xyz> 1664786099 +0200
Add SSH functionality with new `radicle-ssh`
We borrow code from `thrussh`, refactored to be runtime-less.
";
const SIGNATURE: &str = "\
-----BEGIN SSH SIGNATURE-----
U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgvjrQogRxxLjzzWns8+mKJAGzEX
4fm2ALoN7pyvD2ttQAAAADZ2l0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5
AAAAQIQvhIewOgGfnXLgR5Qe1ZEr2vjekYXTdOfNWICi6ZiosgfZnIqV0enCPC4arVqQg+
GPp0HqxaB911OnSAr6bwU=
-----END SSH SIGNATURE-----
";
const SIGNED: &str = "\
tree c66cc435f83ed0fba90ed4500e9b4b96e9bd001b
parent af06ad645133f580a87895353508053c5de60716
author Alexis Sellier <alexis@radicle.xyz> 1664467633 +0200
committer Alexis Sellier <alexis@radicle.xyz> 1664786099 +0200
other e6fe3c97619deb8ab4198620f9a7eb79d98363dd
gpgsig -----BEGIN SSH SIGNATURE-----
U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgvjrQogRxxLjzzWns8+mKJAGzEX
4fm2ALoN7pyvD2ttQAAAADZ2l0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5
AAAAQIQvhIewOgGfnXLgR5Qe1ZEr2vjekYXTdOfNWICi6ZiosgfZnIqV0enCPC4arVqQg+
GPp0HqxaB911OnSAr6bwU=
-----END SSH SIGNATURE-----
gpgsig -----BEGIN SSH SIGNATURE-----
U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgvjrQogRxxLjzzWns8+mKJAGzEX
4fm2ALoN7pyvD2ttQAAAADZ2l0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5
AAAAQIQvhIewOgGfnXLgR5Qe1ZEr2vjekYXTdOfNWICi6ZiosgfZnIqV0enCPC4arVqQg+
GPp0HqxaB911OnSAr6bwU=
-----END SSH SIGNATURE-----
Add SSH functionality with new `radicle-ssh`
We borrow code from `thrussh`, refactored to be runtime-less.
";
#[test]
fn test_push_header() {
let mut commit = CommitObject::from_str(UNSIGNED).unwrap();
commit.push_header("other", "e6fe3c97619deb8ab4198620f9a7eb79d98363dd");
commit.push_header("gpgsig", SIGNATURE);
commit.push_header("gpgsig", SIGNATURE);
assert_eq!(commit.to_string(), SIGNED);
}
#[test]
fn test_get_header() {
let commit = CommitObject::from_str(SIGNED).unwrap();
assert_eq!(
commit.values("gpgsig").collect::<Vec<_>>(),
vec![SIGNATURE.trim(), SIGNATURE.trim()]
);
assert_eq!(
commit.values("parent").collect::<Vec<_>>(),
vec![String::from("af06ad645133f580a87895353508053c5de60716")],
);
assert!(commit.values("unknown").next().is_none());
}
#[test]
fn test_conversion() {
assert_eq!(CommitObject::from_str(SIGNED).unwrap().to_string(), SIGNED);
assert_eq!(
CommitObject::from_str(UNSIGNED).unwrap().to_string(),
UNSIGNED
);
}
}
}