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|
use anyhow::{Context, Result, bail};
use ngit::{
client::{
Client, Connect, Params, fetching_with_report, get_repo_ref_from_cache,
get_state_from_cache,
},
git::{Repo, RepoActions},
list::{get_ahead_behind, list_from_remotes},
push::push_to_remote,
repo_ref::get_repo_coordinates_when_remote_unknown,
utils::get_short_git_server_name,
};
#[derive(Debug, clap::Args)]
pub struct SubCommandArgs {
/// optionally just sync a specific reference. eg main or v1.5.2
#[clap(short, long)]
pub(crate) ref_name: Option<String>,
/// force push updates and delete refs from non-grasp git servers
#[arg(long, action)]
force: bool,
}
#[allow(clippy::too_many_lines)]
pub async fn launch(args: &SubCommandArgs) -> Result<()> {
let git_repo = Repo::discover().context("failed to find a git repository")?;
let git_repo_path = git_repo.get_path()?;
let full_ref_name = if let Some(ref_name) = &args.ref_name {
if ref_name.starts_with("refs/") {
if git_repo.git_repo.find_reference(ref_name).is_ok() {
Some(ref_name.clone())
} else {
bail!("could not find reference {ref_name}");
}
} else if git_repo
.git_repo
.find_reference(&format!("refs/tags/{ref_name}"))
.is_ok()
{
Some(format!("refs/tags/{ref_name}"))
} else if git_repo
.git_repo
.find_reference(&format!("refs/heads/{ref_name}"))
.is_ok()
{
Some(format!("refs/heads/{ref_name}"))
} else {
bail!("could not find reference {ref_name}");
}
} else {
None
};
let client = Client::new(Params::with_git_config_relay_defaults(&Some(&git_repo)));
let (nostr_remote_name, decoded_nostr_url) = git_repo
.get_first_nostr_remote_when_in_ngit_binary()
.await.context("failed to list git remotes")?
.context("no `nostr://` remote detected. `ngit sync` must be run from a repo with a nostr remote")?;
let repo_coordinate = get_repo_coordinates_when_remote_unknown(&git_repo, &client).await?;
let _ = fetching_with_report(git_repo_path, &client, &repo_coordinate).await?;
// TODO push announcement event, then state event to grasps
let repo_ref = get_repo_ref_from_cache(Some(git_repo_path), &repo_coordinate).await?;
let nostr_state = get_state_from_cache(Some(git_repo_path), &repo_ref).await?;
let term = console::Term::stderr();
let remote_states = list_from_remotes(
&term,
&git_repo,
&repo_ref.git_server,
&repo_ref.to_nostr_git_url(&None),
&repo_ref.grasp_servers(),
);
for (url, (remote_state, is_grasp_server)) in &remote_states {
let remote_name = get_short_git_server_name(&git_repo, url);
let mut refspecs = vec![];
// delete ref from remote
let mut not_deleted = vec![];
for remote_ref_name in remote_state.keys() {
// skip unspecified refs
if let Some(full_ref_name) = &full_ref_name {
if remote_ref_name != full_ref_name {
continue;
}
}
if (!remote_ref_name.starts_with("refs/heads/pr/")
&& (remote_ref_name.starts_with("refs/heads/")
|| remote_ref_name.starts_with("refs/tags/")))
&& !nostr_state
.state
.keys()
.any(|nostr_ref| nostr_ref.eq(remote_ref_name))
{
if *is_grasp_server || args.force {
// delete branches / tags not on nostr
refspecs.push(format!(":{remote_ref_name}"));
} else {
not_deleted.push(remote_ref_name);
}
}
}
// add or update ref on remote
let mut not_updated = vec![];
for nostr_ref_name in nostr_state.state.keys() {
// skip unspecified refs
if let Some(full_ref_name) = &full_ref_name {
if nostr_ref_name != full_ref_name {
continue;
}
}
if nostr_ref_name.starts_with("refs/heads/")
|| nostr_ref_name.starts_with("refs/tags/")
|| !nostr_ref_name.starts_with("refs/heads/pr/")
{
// ensure nostr_state only supports refs/heads and refs/tags/
// and not refs/heads/prs/*
} else if let Some(remote_ref_value) = remote_state.get(nostr_ref_name) {
// update ref
let force_required = {
if let Ok((ahead, _)) =
get_ahead_behind(&git_repo, nostr_ref_name, remote_ref_value)
{
!ahead.is_empty()
} else {
true
}
};
if nostr_state
.state
.get(nostr_ref_name)
.is_none_or(|nostr_ref_value| nostr_ref_value.eq(remote_ref_value))
{
// no action if ref in sync
} else if remote_ref_value.starts_with("ref ") && !(args.force || *is_grasp_server)
{
// dont try and sync push symbolic refs
} else if !force_required {
refspecs.push(format!(
"refs/remotes/{nostr_remote_name}/{nostr_ref_name}:{nostr_ref_name}",
));
} else if *is_grasp_server || args.force {
refspecs.push(format!(
"+refs/remotes/{nostr_remote_name}/{nostr_ref_name}:{nostr_ref_name}",
));
} else {
not_updated.push(nostr_ref_name);
}
} else {
// add missing refs
refspecs.push(format!(
"refs/remotes/{nostr_remote_name}/{nostr_ref_name}:{nostr_ref_name}",
));
}
}
if refspecs.is_empty() {
if !not_updated.is_empty() || !not_deleted.is_empty() {
term.write_line(&format!("{remote_name} in sync excluding"))?;
} else {
term.write_line(&format!("{remote_name} already in sync"))?;
}
// report already in sync
} else {
match push_to_remote(
&git_repo,
url,
&decoded_nostr_url,
&refspecs,
&term,
*is_grasp_server,
) {
Err(error) => {
term.write_line(&format!(
"error pushing updates to {remote_name}: error: {error}"
))?;
}
Ok(updated_refs) => {
if updated_refs.values().all(std::option::Option::is_none) {
if *is_grasp_server || args.force {
term.write_line(&format!("{remote_name} sync completed"))?;
// TODO we only know if there was an error but not
// if it rejected any
// updates
} else {
// we should report on refs not force pushed
term.write_line(&format!("{remote_name} sync completed"))?;
}
} else {
term.write_line(&format!(
"{remote_name} sync completed but not all changes were accepted"
))?;
}
for name in ¬_deleted {
term.write_line(&format!(" - {name} not deleted"))?;
}
for name in ¬_updated {
term.write_line(&format!(" - {name} not updated due to conflicts"))?;
}
if !not_updated.is_empty() || !not_deleted.is_empty() {
term.write_line("run `ngit sync --force` to delete refs or overwrite conflicts and potentially lose work")?;
}
}
}
}
}
Ok(())
}
|