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use std::fmt::Write;
use std::time::SystemTime;
use eden_dag::DagAlgorithm;
use tracing::instrument;
use lib::core::dag::{resolve_commits, sort_commit_set, CommitSet, Dag, ResolveCommitsResult};
use lib::core::effects::Effects;
use lib::core::eventlog::{CommitActivityStatus, Event};
use lib::core::eventlog::{EventLogDb, EventReplayer};
use lib::core::formatting::{printable_styled_string, Glyphs, Pluralize};
use lib::git::Repo;
#[instrument]
pub fn hide(effects: &Effects, hashes: Vec<String>, recursive: bool) -> eyre::Result<isize> {
let now = SystemTime::now();
let glyphs = Glyphs::detect();
let repo = Repo::from_current_dir()?;
let references_snapshot = repo.get_references_snapshot()?;
let conn = repo.get_db_conn()?;
let mut event_log_db = EventLogDb::new(&conn)?;
let event_replayer = EventReplayer::from_event_log_db(effects, &repo, &event_log_db)?;
let event_cursor = event_replayer.make_default_cursor();
let mut dag = Dag::open_and_sync(
effects,
&repo,
&event_replayer,
event_cursor,
&references_snapshot,
)?;
let commits = resolve_commits(effects, &repo, &mut dag, hashes)?;
let commits = match commits {
ResolveCommitsResult::Ok { commits } => commits,
ResolveCommitsResult::CommitNotFound { commit: hash } => {
writeln!(effects.get_output_stream(), "Commit not found: {}", hash)?;
return Ok(1);
}
};
let commits: CommitSet = commits
.into_iter()
.map(|commit| commit.get_oid())
.rev()
.collect();
let commits = if recursive {
dag.query()
.descendants(commits)?
.difference(&dag.obsolete_commits)
} else {
commits
};
let commits = dag.query().sort(&commits)?;
let commits = sort_commit_set(&repo, &dag, &commits)?;
let timestamp = now.duration_since(SystemTime::UNIX_EPOCH)?.as_secs_f64();
let event_tx_id = event_log_db.make_transaction_id(now, "hide")?;
let events = commits
.iter()
.map(|commit| Event::ObsoleteEvent {
timestamp,
event_tx_id,
commit_oid: commit.get_oid(),
})
.collect();
event_log_db.add_events(events)?;
let cursor = event_replayer.make_default_cursor();
let num_commits = commits.len();
for commit in commits {
writeln!(
effects.get_output_stream(),
"Hid commit: {}",
printable_styled_string(&glyphs, commit.friendly_describe(&glyphs)?)?
)?;
if let CommitActivityStatus::Obsolete =
event_replayer.get_cursor_commit_activity_status(cursor, commit.get_oid())
{
writeln!(
effects.get_output_stream(),
"(It was already hidden, so this operation had no effect.)"
)?;
}
}
writeln!(
effects.get_output_stream(),
"To unhide {}, run: git undo",
Pluralize {
determiner: Some(("this", "these")),
amount: num_commits,
unit: ("commit", "commits"),
},
)?;
Ok(0)
}
#[instrument]
pub fn unhide(effects: &Effects, hashes: Vec<String>, recursive: bool) -> eyre::Result<isize> {
let now = SystemTime::now();
let glyphs = Glyphs::detect();
let repo = Repo::from_current_dir()?;
let references_snapshot = repo.get_references_snapshot()?;
let conn = repo.get_db_conn()?;
let mut event_log_db = EventLogDb::new(&conn)?;
let event_replayer = EventReplayer::from_event_log_db(effects, &repo, &event_log_db)?;
let event_cursor = event_replayer.make_default_cursor();
let mut dag = Dag::open_and_sync(
effects,
&repo,
&event_replayer,
event_cursor,
&references_snapshot,
)?;
let commits = resolve_commits(effects, &repo, &mut dag, hashes)?;
let commits = match commits {
ResolveCommitsResult::Ok { commits } => commits,
ResolveCommitsResult::CommitNotFound { commit: hash } => {
writeln!(effects.get_output_stream(), "Commit not found: {}", hash)?;
return Ok(1);
}
};
let commits: CommitSet = commits.into_iter().map(|commit| commit.get_oid()).collect();
let commits = if recursive {
dag.query()
.descendants(commits)?
.intersection(&dag.obsolete_commits)
} else {
commits
};
let commits = dag.query().sort(&commits)?;
let commits = sort_commit_set(&repo, &dag, &commits)?;
let timestamp = now.duration_since(SystemTime::UNIX_EPOCH)?.as_secs_f64();
let event_tx_id = event_log_db.make_transaction_id(now, "unhide")?;
let events = commits
.iter()
.map(|commit| Event::UnobsoleteEvent {
timestamp,
event_tx_id,
commit_oid: commit.get_oid(),
})
.collect();
event_log_db.add_events(events)?;
let cursor = event_replayer.make_default_cursor();
let num_commits = commits.len();
for commit in commits {
writeln!(
effects.get_output_stream(),
"Unhid commit: {}",
printable_styled_string(&glyphs, commit.friendly_describe(&glyphs)?)?,
)?;
if let CommitActivityStatus::Active =
event_replayer.get_cursor_commit_activity_status(cursor, commit.get_oid())
{
writeln!(
effects.get_output_stream(),
"(It was not hidden, so this operation had no effect.)"
)?;
}
}
writeln!(
effects.get_output_stream(),
"To hide {}, run: git undo",
Pluralize {
determiner: Some(("this", "these")),
amount: num_commits,
unit: ("commit", "commits"),
},
)?;
Ok(0)
}
