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use anyhow::Result;
use clap::Parser;
use std::fs::File;
use std::path::{Path, PathBuf};
#[derive(Parser)]
pub enum Command {
/// Verify pile integrity (blob hash validation + branch commit-chain checks).
Check {
/// Path to the pile file to inspect
pile: PathBuf,
/// Exit non-zero at the first detected issue
#[arg(long)]
fail_fast: bool,
},
/// Locate occurrences of a blob handle in raw pile bytes.
///
/// This is useful when the normal repository graph fails (e.g. a branch
/// points at a missing blob) and you want to distinguish:
/// - a missing blob record (0 header matches), vs
/// - a blob referenced inside other blob payloads (payload refs)
LocateHash {
/// Path to the pile file to inspect
pile: PathBuf,
/// Handle to locate (e.g. "blake3:HEX..." or bare 64 hex)
handle: String,
},
}
pub fn run(cmd: Command) -> Result<()> {
match cmd {
Command::Check { pile, fail_fast } => check(&pile, fail_fast),
Command::LocateHash { pile, handle } => locate_hash_in_pile(&pile, &handle),
}
}
fn check(pile_path: &Path, fail_fast: bool) -> Result<()> {
use triblespace::prelude::blobencodings::{LongString, SimpleArchive};
use triblespace::prelude::{BlobStore, BlobStoreGet, BranchStore};
use triblespace_core::id::id_hex;
use triblespace_core::repo::BlobStoreMeta;
use triblespace_core::repo::pile::{Pile, ReadError};
use triblespace_core::trible::TribleSet;
use triblespace_core::inline::encodings::hash::{Blake3, Handle, Hash};
use triblespace_core::inline::Inline;
match Pile::open(pile_path) {
Ok(mut pile) => {
let res = (|| -> Result<(), anyhow::Error> {
let mut any_error = false;
let reader = pile
.reader()
.map_err(|e| anyhow::anyhow!("pile reader error: {e:?}"))?;
// Blob hash validation.
let mut invalid = 0usize;
let mut total = 0usize;
for item in reader.iter() {
match item {
Ok((handle, blob)) => {
total += 1;
let expected: triblespace_core::inline::Inline<Hash<Blake3>> =
Handle::to_hash(handle);
let computed = Hash::<Blake3>::digest(&blob.bytes);
if expected != computed {
invalid += 1;
}
}
Err(_) => {
// Treat iterator errors (validation, missing index) as invalid blobs.
total += 1;
invalid += 1;
}
}
}
if invalid == 0 {
println!("Pile appears healthy");
} else {
println!("Pile corrupt: {invalid} of {total} blobs have incorrect hashes");
if fail_fast {
anyhow::bail!("invalid blob hashes detected");
}
any_error = true;
}
// Branch integrity diagnostics.
println!("\nBranches:");
let _repo_branch_attr: triblespace_core::id::Id =
id_hex!("8694CC73AF96A5E1C7635C677D1B928A");
let repo_head_attr: triblespace_core::id::Id =
id_hex!("272FBC56108F336C4D2E17289468C35F");
let repo_parent_attr: triblespace_core::id::Id =
id_hex!("317044B612C690000D798CA660ECFD2A");
let repo_content_attr: triblespace_core::id::Id =
id_hex!("4DD4DDD05CC31734B03ABB4E43188B1F");
fn verify_chain(
reader: &triblespace_core::repo::pile::PileReader,
start: Inline<Handle<SimpleArchive>>,
repo_parent_attr: triblespace_core::id::Id,
repo_content_attr: triblespace_core::id::Id,
) -> (usize, Option<String>) {
use std::collections::BTreeSet;
let mut visited: BTreeSet<String> = BTreeSet::new();
let mut stack: Vec<Inline<Handle<SimpleArchive>>> = vec![start];
let mut count = 0usize;
while let Some(h) = stack.pop() {
let hh: Inline<Hash<Blake3>> = Handle::to_hash(h);
let hex: String = hh.from_inline();
if !visited.insert(hex.clone()) {
continue;
}
match reader.metadata(h) {
Ok(None) => {
return (count, Some(format!("commit blake3:{hex} missing")));
}
Ok(Some(_)) => {}
Err(e) => {
return (
count,
Some(format!("commit blake3:{hex} metadata error: {e:?}")),
);
}
}
let meta: TribleSet = match reader.get::<TribleSet, SimpleArchive>(h) {
Ok(m) => m,
Err(e) => {
return (
count,
Some(format!("commit blake3:{hex} decode failed: {e:?}")),
)
}
};
let mut content_handle: Option<Inline<Handle<SimpleArchive>>> = None;
let mut parents: Vec<Inline<Handle<SimpleArchive>>> = Vec::new();
for t in meta.iter() {
if t.a() == &repo_content_attr {
content_handle = Some(*t.v::<Handle<SimpleArchive>>());
} else if t.a() == &repo_parent_attr {
parents.push(*t.v::<Handle<SimpleArchive>>());
}
}
// Some commits (for example merge-only commits) intentionally do not carry
// a content blob. Only verify content existence when present.
if let Some(c) = content_handle {
match reader.metadata(c) {
Ok(Some(_)) => {}
Ok(None) => {
return (
count,
Some(format!("commit blake3:{hex} content blob missing")),
);
}
Err(e) => {
return (
count,
Some(format!("commit blake3:{hex} metadata error: {e:?}")),
);
}
}
}
for p in parents {
stack.push(p);
}
count += 1;
}
(count, None)
}
// Ensure in-memory indices are loaded before enumerating branches.
pile.refresh()?;
let iter = pile.branches()?;
for r in iter {
let bid = r?;
let meta_handle_opt = pile.head(bid)?;
let id_hex = format!("{bid:X}");
match meta_handle_opt {
None => {
println!("- {id_hex}: <no branch metadata head set>");
}
Some(meta_handle) => {
let meta_present = reader.metadata(meta_handle)?.is_some();
let mut name_val: Option<String> = None;
let mut head_val: Option<Inline<Handle<SimpleArchive>>> = None;
let mut meta_err: Option<String> = None;
let name_attr = triblespace_core::metadata::name.id();
if meta_present {
match reader.get::<TribleSet, SimpleArchive>(meta_handle) {
Ok(meta) => {
for t in meta.iter() {
if t.a() == &name_attr {
let h: Inline<Handle<LongString>> = *t.v();
if let Ok(view) =
reader.get::<triblespace::prelude::View<str>, _>(h)
{
name_val = Some(view.as_ref().to_string());
}
} else if t.a() == &repo_head_attr {
head_val =
Some(*t.v::<Handle<SimpleArchive>>());
}
}
}
Err(e) => {
meta_err = Some(format!("decode failed: {e:?}"));
}
}
}
let meta_hash: Inline<Hash<Blake3>> = Handle::to_hash(meta_handle);
let meta_hex: String = meta_hash.from_inline();
if let Some(n) = name_val.as_ref() {
println!(
"- {id_hex} ({n}): meta blake3:{meta_hex} [{}]{}",
if meta_present { "present" } else { "missing" },
meta_err
.as_deref()
.map(|e| format!(" ({e})"))
.unwrap_or_default()
);
} else {
println!(
"- {id_hex}: meta blake3:{meta_hex} [{}]{}",
if meta_present { "present" } else { "missing" },
meta_err
.as_deref()
.map(|e| format!(" ({e})"))
.unwrap_or_default()
);
}
if !meta_present {
if fail_fast {
anyhow::bail!("branch metadata blob missing for {id_hex}");
}
any_error = true;
continue;
}
if meta_err.is_some() {
if fail_fast {
anyhow::bail!("branch metadata decode failed for {id_hex}");
}
any_error = true;
continue;
}
if let Some(head) = head_val {
let (count, err) =
verify_chain(&reader, head, repo_parent_attr, repo_content_attr);
if let Some(e) = err {
println!(" commit chain error: {e}");
if fail_fast {
anyhow::bail!(e);
}
any_error = true;
} else {
println!(" commit chain: {count} commits");
}
} else {
println!(" no head set");
}
}
}
}
if any_error {
anyhow::bail!("diagnostics reported issues");
}
Ok(())
})();
let close_res = pile.close().map_err(|e| anyhow::anyhow!("{e:?}"));
res.and(close_res)?;
}
Err(ReadError::IoError(err)) if err.kind() == std::io::ErrorKind::NotFound => {
anyhow::bail!("pile not found");
}
Err(e) => return Err(e.into()),
}
Ok(())
}
fn padding_for_blob(blob_size: usize) -> usize {
// Match `triblespace_core::repo::pile::padding_for_blob` without depending on it.
(64 - ((64 + blob_size) % 64)) % 64
}
fn locate_hash_in_pile(pile_path: &Path, handle: &str) -> Result<()> {
use anyhow::Context as _;
use memchr::memmem::Finder;
use triblespace_core::blob::Bytes;
use triblespace_core::id::id_hex;
use triblespace_core::inline::encodings::hash::Blake3;
use triblespace_core::inline::encodings::hash::Hash;
use triblespace_core::inline::Inline;
let handle = handle.trim();
let normalized = if !handle.contains(':') && handle.len() == 64 {
format!("blake3:{handle}")
} else {
handle.to_owned()
};
let target: Inline<Hash<Blake3>> = crate::cli::util::parse_blob_handle(&normalized)?;
let needle = target.raw;
let needle_str: String = target.from_inline();
let file = File::open(pile_path)
.with_context(|| format!("open pile {}", pile_path.display()))?;
let mapped = unsafe { Bytes::map_file(&file)? };
let bytes: &[u8] = mapped.as_ref();
// Magic markers copied from `triblespace_core::repo::pile` so we can
// classify where the handle appears without mutating or indexing the pile.
let marker_blob = id_hex!("1E08B022FF2F47B6EBACF1D68EB35D96").raw();
let marker_branch = id_hex!("2BC991A7F5D5D2A3A468C53B0AA03504").raw();
let marker_branch_tombstone = id_hex!("E888CC787202D2AE4C654BFE9699C430").raw();
let finder = Finder::new(&needle);
let mut offset = 0usize;
let mut blob_header_matches = 0usize;
let mut branch_header_matches = 0usize;
let mut payload_matches = 0usize;
let mut parse_error: Option<String> = None;
while offset < bytes.len() {
if offset + 16 > bytes.len() {
break;
}
let magic = &bytes[offset..offset + 16];
if magic == marker_blob {
if offset + 64 > bytes.len() {
parse_error = Some(format!("truncated blob header at byte {offset}"));
break;
}
let length = u64::from_le_bytes(
bytes[offset + 24..offset + 32]
.try_into()
.expect("u64 slice"),
) as usize;
let hash_bytes: [u8; 32] = bytes[offset + 32..offset + 64]
.try_into()
.expect("hash slice");
if hash_bytes == needle {
blob_header_matches += 1;
println!("blob header match at byte {offset}");
}
let payload_start = offset + 64;
let pad = padding_for_blob(length);
let record_end = payload_start
.checked_add(length)
.and_then(|v| v.checked_add(pad))
.ok_or_else(|| anyhow::anyhow!("blob record length overflow at byte {offset}"))?;
if record_end > bytes.len() {
parse_error = Some(format!(
"truncated blob payload at byte {offset} (declared {length} bytes)"
));
break;
}
let payload = &bytes[payload_start..payload_start + length];
if let Some(_) = finder.find(payload) {
let container_hash = Inline::<Hash<Blake3>>::new(hash_bytes);
let container_str: String = container_hash.from_inline();
for pos in finder.find_iter(payload) {
payload_matches += 1;
let absolute = payload_start + pos;
println!("payload reference in {container_str} at byte {absolute}");
}
}
offset = record_end;
} else if magic == marker_branch {
if offset + 64 > bytes.len() {
parse_error = Some(format!("truncated branch header at byte {offset}"));
break;
}
let branch_id: [u8; 16] = bytes[offset + 16..offset + 32]
.try_into()
.expect("branch id slice");
let hash_bytes: [u8; 32] = bytes[offset + 32..offset + 64]
.try_into()
.expect("branch hash slice");
if hash_bytes == needle {
branch_header_matches += 1;
let branch_hex = hex::encode(branch_id).to_ascii_uppercase();
println!("branch head match at byte {offset} (branch_id {branch_hex})");
}
offset += 64;
} else if magic == marker_branch_tombstone {
if offset + 64 > bytes.len() {
parse_error = Some(format!("truncated branch tombstone at byte {offset}"));
break;
}
offset += 64;
} else {
parse_error = Some(format!("unknown magic marker at byte {offset}"));
break;
}
}
println!("\nSummary for {needle_str}:");
println!(" blob headers: {blob_header_matches}");
println!(" branch headers: {branch_header_matches}");
println!(" payload refs: {payload_matches}");
if let Some(err) = parse_error {
println!(" parse stopped: {err}");
}
Ok(())
}