use anyhow::bail;
use gix::bstr::{BString, ByteSlice};
use std::io;
#[cfg(feature = "serde")]
use gix::mailmap::Entry;
use crate::OutputFormat;
#[cfg(feature = "serde")]
#[cfg_attr(feature = "serde", derive(serde::Serialize))]
struct JsonEntry {
new_name: Option<String>,
new_email: Option<String>,
old_name: Option<String>,
old_email: String,
}
#[cfg(feature = "serde")]
impl<'a> From<Entry<'a>> for JsonEntry {
fn from(v: Entry<'a>) -> Self {
use gix::bstr::ByteSlice;
JsonEntry {
new_name: v.new_name().map(|s| s.to_str_lossy().into_owned()),
new_email: v.new_email().map(|s| s.to_str_lossy().into_owned()),
old_name: v.old_name().map(|s| s.to_str_lossy().into_owned()),
old_email: v.old_email().to_str_lossy().into_owned(),
}
}
}
pub fn entries(
repo: gix::Repository,
format: OutputFormat,
#[cfg_attr(not(feature = "serde"), allow(unused_variables))] out: impl io::Write,
mut err: impl io::Write,
) -> anyhow::Result<()> {
if format == OutputFormat::Human {
writeln!(err, "Defaulting to JSON as human format isn't implemented").ok();
}
let mut mailmap = gix::mailmap::Snapshot::default();
if let Err(e) = repo.open_mailmap_into(&mut mailmap) {
writeln!(err, "Error while loading mailmap, the first error is: {e}").ok();
}
#[cfg(feature = "serde")]
serde_json::to_writer_pretty(out, &mailmap.iter().map(JsonEntry::from).collect::<Vec<_>>())?;
Ok(())
}
pub fn check(
repo: gix::Repository,
format: OutputFormat,
contacts: Vec<BString>,
mut out: impl io::Write,
mut err: impl io::Write,
) -> anyhow::Result<()> {
if format != OutputFormat::Human {
bail!("Only human output is supported right now");
}
if contacts.is_empty() {
bail!("specify at least one contact to run through the mailmap")
}
let mut mailmap = gix::mailmap::Snapshot::default();
if let Err(err) = repo.open_mailmap_into(&mut mailmap) {
bail!(err);
}
let mut buf = Vec::new();
for contact in contacts {
let actor = match gix::actor::IdentityRef::from_bytes::<()>(&contact) {
Ok(a) => a,
Err(_) => {
let Some(email) = contact
.trim_start()
.strip_prefix(b"<")
.and_then(|rest| rest.trim_end().strip_suffix(b">"))
else {
writeln!(err, "Failed to parse contact '{contact}' - skipping")?;
continue;
};
gix::actor::IdentityRef {
name: "".into(),
email: email.into(),
}
}
};
let resolved = mailmap.resolve_cow(gix::actor::SignatureRef {
name: actor.name,
email: actor.email,
time: Default::default(),
});
let resolved = gix::actor::IdentityRef {
name: resolved.name.as_ref(),
email: resolved.email.as_ref(),
};
buf.clear();
resolved.write_to(&mut buf)?;
out.write_all(&buf)?;
out.write_all(b"\n")?;
}
Ok(())
}