Expand description
Returns the index at which the following index + 1 value is not an increment over the value at index.
Examples found in repository?
src/index/verify.rs (line 163)
152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217
pub fn verify_integrity<P, C, F>(
&self,
pack: Option<PackContext<'_, F>>,
mut progress: P,
should_interrupt: &AtomicBool,
) -> Result<integrity::Outcome<P>, index::traverse::Error<index::verify::integrity::Error>>
where
P: Progress,
C: crate::cache::DecodeEntry,
F: Fn() -> C + Send + Clone,
{
if let Some(first_invalid) = crate::verify::fan(&self.fan) {
return Err(index::traverse::Error::Processor(integrity::Error::Fan {
index: first_invalid,
}));
}
match pack {
Some(PackContext {
data: pack,
options:
integrity::Options {
verify_mode,
traversal,
thread_limit,
make_pack_lookup_cache,
},
}) => self
.traverse(
pack,
progress,
should_interrupt,
|| {
let mut encode_buf = Vec::with_capacity(2048);
move |kind, data, index_entry, progress| {
Self::verify_entry(verify_mode, &mut encode_buf, kind, data, index_entry, progress)
}
},
index::traverse::Options {
traversal,
thread_limit,
check: index::traverse::SafetyCheck::All,
make_pack_lookup_cache,
},
)
.map(|o| integrity::Outcome {
actual_index_checksum: o.actual_index_checksum,
pack_traverse_statistics: Some(o.statistics),
progress: o.progress,
}),
None => self
.verify_checksum(
progress.add_child_with_id(
"Sha1 of index",
*b"PTHI", /* Pack Traverse Hash Index bytes (semantically the same as in branch above) */
),
should_interrupt,
)
.map_err(Into::into)
.map(|id| integrity::Outcome {
actual_index_checksum: id,
pack_traverse_statistics: None,
progress,
}),
}
}More examples
src/multi_index/verify.rs (line 139)
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312
fn verify_integrity_inner<C, P, F>(
&self,
mut progress: P,
should_interrupt: &AtomicBool,
deep_check: bool,
options: index::verify::integrity::Options<F>,
) -> Result<integrity::Outcome<P>, index::traverse::Error<integrity::Error>>
where
P: Progress,
C: crate::cache::DecodeEntry,
F: Fn() -> C + Send + Clone,
{
let parent = self.path.parent().expect("must be in a directory");
let actual_index_checksum = self
.verify_checksum(
progress.add_child_with_id(format!("{}: checksum", self.path.display()), *b"MVCK"), /* Multiindex Verify ChecKsum */
should_interrupt,
)
.map_err(integrity::Error::from)
.map_err(index::traverse::Error::Processor)?;
if let Some(first_invalid) = crate::verify::fan(&self.fan) {
return Err(index::traverse::Error::Processor(integrity::Error::Fan {
index: first_invalid,
}));
}
if self.num_objects == 0 {
return Err(index::traverse::Error::Processor(integrity::Error::Empty));
}
let mut pack_traverse_statistics = Vec::new();
let operation_start = Instant::now();
let mut total_objects_checked = 0;
let mut pack_ids_and_offsets = Vec::with_capacity(self.num_objects as usize);
{
let order_start = Instant::now();
let mut progress = progress.add_child_with_id("checking oid order", *b"MVOR"); /* Multiindex Verify Oid oRder */
progress.init(
Some(self.num_objects as usize),
git_features::progress::count("objects"),
);
for entry_index in 0..(self.num_objects - 1) {
let lhs = self.oid_at_index(entry_index);
let rhs = self.oid_at_index(entry_index + 1);
if rhs.cmp(lhs) != Ordering::Greater {
return Err(index::traverse::Error::Processor(integrity::Error::OutOfOrder {
index: entry_index,
}));
}
let (pack_id, _) = self.pack_id_and_pack_offset_at_index(entry_index);
pack_ids_and_offsets.push((pack_id, entry_index));
progress.inc();
}
{
let entry_index = self.num_objects - 1;
let (pack_id, _) = self.pack_id_and_pack_offset_at_index(entry_index);
pack_ids_and_offsets.push((pack_id, entry_index));
}
// sort by pack-id to allow handling all indices matching a pack while its open.
pack_ids_and_offsets.sort_by(|l, r| l.0.cmp(&r.0));
progress.show_throughput(order_start);
};
progress.init(
Some(self.num_indices as usize),
git_features::progress::count("indices"),
);
let mut pack_ids_slice = pack_ids_and_offsets.as_slice();
for (pack_id, index_file_name) in self.index_names.iter().enumerate() {
progress.set_name(index_file_name.display().to_string());
progress.inc();
let mut bundle = None;
let index;
let index_path = parent.join(index_file_name);
let index = if deep_check {
bundle = crate::Bundle::at(index_path, self.object_hash)
.map_err(integrity::Error::from)
.map_err(index::traverse::Error::Processor)?
.into();
bundle.as_ref().map(|b| &b.index).expect("just set")
} else {
index = Some(
index::File::at(index_path, self.object_hash)
.map_err(|err| integrity::Error::BundleInit(crate::bundle::init::Error::Index(err)))
.map_err(index::traverse::Error::Processor)?,
);
index.as_ref().expect("just set")
};
let slice_end = pack_ids_slice.partition_point(|e| e.0 == pack_id as crate::data::Id);
let multi_index_entries_to_check = &pack_ids_slice[..slice_end];
{
let offset_start = Instant::now();
let mut offsets_progress = progress.add_child_with_id("verify object offsets", *b"MVOF"); /* Multiindex Verify Object Offsets */
offsets_progress.init(
Some(pack_ids_and_offsets.len()),
git_features::progress::count("objects"),
);
pack_ids_slice = &pack_ids_slice[slice_end..];
for entry_id in multi_index_entries_to_check.iter().map(|e| e.1) {
let oid = self.oid_at_index(entry_id);
let (_, expected_pack_offset) = self.pack_id_and_pack_offset_at_index(entry_id);
let entry_in_bundle_index = index.lookup(oid).ok_or_else(|| {
index::traverse::Error::Processor(integrity::Error::OidNotFound { id: oid.to_owned() })
})?;
let actual_pack_offset = index.pack_offset_at_index(entry_in_bundle_index);
if actual_pack_offset != expected_pack_offset {
return Err(index::traverse::Error::Processor(
integrity::Error::PackOffsetMismatch {
id: oid.to_owned(),
expected_pack_offset,
actual_pack_offset,
},
));
}
offsets_progress.inc();
}
if should_interrupt.load(std::sync::atomic::Ordering::Relaxed) {
return Err(index::traverse::Error::Processor(integrity::Error::Interrupted));
}
offsets_progress.show_throughput(offset_start);
}
total_objects_checked += multi_index_entries_to_check.len();
if let Some(bundle) = bundle {
progress.set_name(format!("Validating {}", index_file_name.display()));
let crate::bundle::verify::integrity::Outcome {
actual_index_checksum: _,
pack_traverse_outcome,
progress: returned_progress,
} = bundle
.verify_integrity(progress, should_interrupt, options.clone())
.map_err(|err| {
use index::traverse::Error::*;
match err {
Processor(err) => Processor(integrity::Error::IndexIntegrity(err)),
VerifyChecksum(err) => VerifyChecksum(err),
Tree(err) => Tree(err),
TreeTraversal(err) => TreeTraversal(err),
PackDecode { id, offset, source } => PackDecode { id, offset, source },
PackMismatch { expected, actual } => PackMismatch { expected, actual },
PackObjectMismatch {
expected,
actual,
offset,
kind,
} => PackObjectMismatch {
expected,
actual,
offset,
kind,
},
Crc32Mismatch {
expected,
actual,
offset,
kind,
} => Crc32Mismatch {
expected,
actual,
offset,
kind,
},
Interrupted => Interrupted,
}
})?;
progress = returned_progress;
pack_traverse_statistics.push(pack_traverse_outcome);
}
}
assert_eq!(
self.num_objects as usize, total_objects_checked,
"BUG: our slicing should allow to visit all objects"
);
progress.set_name("Validating multi-pack");
progress.show_throughput(operation_start);
Ok(integrity::Outcome {
actual_index_checksum,
pack_traverse_statistics,
progress,
})
}