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@@ -202,6 +202,16 b' dependencies = [' | |||||
202 | ] |
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202 | ] | |
203 |
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203 | |||
204 | [[package]] |
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204 | [[package]] | |
|
205 | name = "fuchsia-cprng" | |||
|
206 | version = "0.1.1" | |||
|
207 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
208 | ||||
|
209 | [[package]] | |||
|
210 | name = "gcc" | |||
|
211 | version = "0.3.55" | |||
|
212 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
213 | ||||
|
214 | [[package]] | |||
205 | name = "getrandom" |
|
215 | name = "getrandom" | |
206 | version = "0.1.15" |
|
216 | version = "0.1.15" | |
207 | source = "registry+https://github.com/rust-lang/crates.io-index" |
|
217 | source = "registry+https://github.com/rust-lang/crates.io-index" | |
@@ -249,6 +259,7 b' dependencies = [' | |||||
249 | "rand_pcg 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)", |
|
259 | "rand_pcg 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)", | |
250 | "rayon 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)", |
|
260 | "rayon 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)", | |
251 | "regex 1.3.9 (registry+https://github.com/rust-lang/crates.io-index)", |
|
261 | "regex 1.3.9 (registry+https://github.com/rust-lang/crates.io-index)", | |
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262 | "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)", | |||
252 | "same-file 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", |
|
263 | "same-file 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", | |
253 | "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)", |
|
264 | "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)", | |
254 | "twox-hash 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)", |
|
265 | "twox-hash 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)", | |
@@ -461,6 +472,27 b' dependencies = [' | |||||
461 |
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472 | |||
462 | [[package]] |
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473 | [[package]] | |
463 | name = "rand" |
|
474 | name = "rand" | |
|
475 | version = "0.3.23" | |||
|
476 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
477 | dependencies = [ | |||
|
478 | "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
479 | "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
480 | ] | |||
|
481 | ||||
|
482 | [[package]] | |||
|
483 | name = "rand" | |||
|
484 | version = "0.4.6" | |||
|
485 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
486 | dependencies = [ | |||
|
487 | "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
488 | "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
489 | "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
490 | "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
491 | "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
492 | ] | |||
|
493 | ||||
|
494 | [[package]] | |||
|
495 | name = "rand" | |||
464 | version = "0.7.3" |
|
496 | version = "0.7.3" | |
465 | source = "registry+https://github.com/rust-lang/crates.io-index" |
|
497 | source = "registry+https://github.com/rust-lang/crates.io-index" | |
466 | dependencies = [ |
|
498 | dependencies = [ | |
@@ -482,6 +514,19 b' dependencies = [' | |||||
482 |
|
514 | |||
483 | [[package]] |
|
515 | [[package]] | |
484 | name = "rand_core" |
|
516 | name = "rand_core" | |
|
517 | version = "0.3.1" | |||
|
518 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
519 | dependencies = [ | |||
|
520 | "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
521 | ] | |||
|
522 | ||||
|
523 | [[package]] | |||
|
524 | name = "rand_core" | |||
|
525 | version = "0.4.2" | |||
|
526 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
527 | ||||
|
528 | [[package]] | |||
|
529 | name = "rand_core" | |||
485 | version = "0.5.1" |
|
530 | version = "0.5.1" | |
486 | source = "registry+https://github.com/rust-lang/crates.io-index" |
|
531 | source = "registry+https://github.com/rust-lang/crates.io-index" | |
487 | dependencies = [ |
|
532 | dependencies = [ | |
@@ -536,6 +581,14 b' dependencies = [' | |||||
536 | ] |
|
581 | ] | |
537 |
|
582 | |||
538 | [[package]] |
|
583 | [[package]] | |
|
584 | name = "rdrand" | |||
|
585 | version = "0.4.0" | |||
|
586 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
587 | dependencies = [ | |||
|
588 | "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
589 | ] | |||
|
590 | ||||
|
591 | [[package]] | |||
539 | name = "redox_syscall" |
|
592 | name = "redox_syscall" | |
540 | version = "0.1.57" |
|
593 | version = "0.1.57" | |
541 | source = "registry+https://github.com/rust-lang/crates.io-index" |
|
594 | source = "registry+https://github.com/rust-lang/crates.io-index" | |
@@ -576,6 +629,23 b' dependencies = [' | |||||
576 | ] |
|
629 | ] | |
577 |
|
630 | |||
578 | [[package]] |
|
631 | [[package]] | |
|
632 | name = "rust-crypto" | |||
|
633 | version = "0.2.36" | |||
|
634 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
635 | dependencies = [ | |||
|
636 | "gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
637 | "libc 0.2.77 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
638 | "rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
639 | "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
640 | "time 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)", | |||
|
641 | ] | |||
|
642 | ||||
|
643 | [[package]] | |||
|
644 | name = "rustc-serialize" | |||
|
645 | version = "0.3.24" | |||
|
646 | source = "registry+https://github.com/rust-lang/crates.io-index" | |||
|
647 | ||||
|
648 | [[package]] | |||
579 | name = "same-file" |
|
649 | name = "same-file" | |
580 | version = "1.0.6" |
|
650 | version = "1.0.6" | |
581 | source = "registry+https://github.com/rust-lang/crates.io-index" |
|
651 | source = "registry+https://github.com/rust-lang/crates.io-index" | |
@@ -752,6 +822,8 b' dependencies = [' | |||||
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753 | "checksum env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36" |
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823 | "checksum env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36" | |
754 | "checksum flate2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)" = "766d0e77a2c1502169d4a93ff3b8c15a71fd946cd0126309752104e5f3c46d94" |
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824 | "checksum flate2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)" = "766d0e77a2c1502169d4a93ff3b8c15a71fd946cd0126309752104e5f3c46d94" | |
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825 | "checksum fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba" | |||
|
826 | "checksum gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)" = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2" | |||
755 | "checksum getrandom 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "fc587bc0ec293155d5bfa6b9891ec18a1e330c234f896ea47fbada4cadbe47e6" |
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827 | "checksum getrandom 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "fc587bc0ec293155d5bfa6b9891ec18a1e330c234f896ea47fbada4cadbe47e6" | |
756 | "checksum glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574" |
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828 | "checksum glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574" | |
757 | "checksum hermit-abi 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c30f6d0bc6b00693347368a67d41b58f2fb851215ff1da49e90fe2c5c667151" |
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@@ -781,18 +853,25 b' dependencies = [' | |||||
781 | "checksum python3-sys 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90af11779515a1e530af60782d273b59ac79d33b0e253c071a728563957c76d4" |
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853 | "checksum python3-sys 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90af11779515a1e530af60782d273b59ac79d33b0e253c071a728563957c76d4" | |
782 | "checksum quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0" |
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854 | "checksum quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0" | |
783 | "checksum quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37" |
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855 | "checksum quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37" | |
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856 | "checksum rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)" = "64ac302d8f83c0c1974bf758f6b041c6c8ada916fbb44a609158ca8b064cc76c" | |||
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857 | "checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293" | |||
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860 | "checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b" | |||
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861 | "checksum rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc" | |||
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873 | "checksum rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "f76d05d3993fd5f4af9434e8e436db163a12a9d40e1a58a726f27a01dfd12a2a" | |||
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798 | "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a" |
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@@ -25,6 +25,7 b' micro-timer = "0.3.0"' | |||||
25 | log = "0.4.8" |
|
25 | log = "0.4.8" | |
26 | memmap = "0.7.0" |
|
26 | memmap = "0.7.0" | |
27 | zstd = "0.5.3" |
|
27 | zstd = "0.5.3" | |
|
28 | rust-crypto = "0.2.36" | |||
28 |
|
29 | |||
29 | # We don't use the `miniz-oxide` backend because its minimum Rust version is |
|
30 | # We don't use the `miniz-oxide` backend because its minimum Rust version is | |
30 | # `1.36`. However, this PR (https://github.com/Frommi/miniz_oxide/pull/84/files) |
|
31 | # `1.36`. However, this PR (https://github.com/Frommi/miniz_oxide/pull/84/files) |
@@ -5,6 +5,7 b'' | |||||
5 | // This software may be used and distributed according to the terms of the |
|
5 | // This software may be used and distributed according to the terms of the | |
6 | // GNU General Public License version 2 or any later version. |
|
6 | // GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
|
8 | use crate::revlog::node::NULL_NODE_ID; | |||
8 | use crate::{ |
|
9 | use crate::{ | |
9 | dirstate::{parsers::PARENT_SIZE, EntryState, SIZE_FROM_OTHER_PARENT}, |
|
10 | dirstate::{parsers::PARENT_SIZE, EntryState, SIZE_FROM_OTHER_PARENT}, | |
10 | pack_dirstate, parse_dirstate, |
|
11 | pack_dirstate, parse_dirstate, | |
@@ -24,7 +25,6 b' use std::time::Duration;' | |||||
24 |
|
25 | |||
25 | pub type FileFoldMap = FastHashMap<HgPathBuf, HgPathBuf>; |
|
26 | pub type FileFoldMap = FastHashMap<HgPathBuf, HgPathBuf>; | |
26 |
|
27 | |||
27 | const NULL_ID: [u8; 20] = [0; 20]; |
|
|||
28 | const MTIME_UNSET: i32 = -1; |
|
28 | const MTIME_UNSET: i32 = -1; | |
29 |
|
29 | |||
30 | #[derive(Default)] |
|
30 | #[derive(Default)] | |
@@ -72,8 +72,8 b' impl DirstateMap {' | |||||
72 | self.non_normal_set = None; |
|
72 | self.non_normal_set = None; | |
73 | self.other_parent_set = None; |
|
73 | self.other_parent_set = None; | |
74 | self.set_parents(&DirstateParents { |
|
74 | self.set_parents(&DirstateParents { | |
75 | p1: NULL_ID, |
|
75 | p1: NULL_NODE_ID, | |
76 | p2: NULL_ID, |
|
76 | p2: NULL_NODE_ID, | |
77 | }) |
|
77 | }) | |
78 | } |
|
78 | } | |
79 |
|
79 | |||
@@ -340,8 +340,8 b' impl DirstateMap {' | |||||
340 | }; |
|
340 | }; | |
341 | } else if file_contents.is_empty() { |
|
341 | } else if file_contents.is_empty() { | |
342 | parents = DirstateParents { |
|
342 | parents = DirstateParents { | |
343 | p1: NULL_ID, |
|
343 | p1: NULL_NODE_ID, | |
344 | p2: NULL_ID, |
|
344 | p2: NULL_NODE_ID, | |
345 | }; |
|
345 | }; | |
346 | } else { |
|
346 | } else { | |
347 | return Err(DirstateError::Parse(DirstateParseError::Damaged)); |
|
347 | return Err(DirstateError::Parse(DirstateParseError::Damaged)); |
@@ -1,5 +1,6 b'' | |||||
|
1 | use byteorder::{BigEndian, ByteOrder}; | |||
|
2 | ||||
1 | use crate::revlog::{Revision, NULL_REVISION}; |
|
3 | use crate::revlog::{Revision, NULL_REVISION}; | |
2 | use byteorder::{BigEndian, ByteOrder}; |
|
|||
3 |
|
4 | |||
4 | pub const INDEX_ENTRY_SIZE: usize = 64; |
|
5 | pub const INDEX_ENTRY_SIZE: usize = 64; | |
5 |
|
6 | |||
@@ -141,6 +142,22 b" impl<'a> IndexEntry<'a> {" | |||||
141 |
|
142 | |||
142 | BigEndian::read_i32(&self.bytes[16..]) |
|
143 | BigEndian::read_i32(&self.bytes[16..]) | |
143 | } |
|
144 | } | |
|
145 | ||||
|
146 | pub fn p1(&self) -> Revision { | |||
|
147 | BigEndian::read_i32(&self.bytes[24..]) | |||
|
148 | } | |||
|
149 | ||||
|
150 | pub fn p2(&self) -> Revision { | |||
|
151 | BigEndian::read_i32(&self.bytes[28..]) | |||
|
152 | } | |||
|
153 | ||||
|
154 | /// Return the hash of revision's full text. | |||
|
155 | /// | |||
|
156 | /// Currently, SHA-1 is used and only the first 20 bytes of this field | |||
|
157 | /// are used. | |||
|
158 | pub fn hash(&self) -> &[u8] { | |||
|
159 | &self.bytes[32..52] | |||
|
160 | } | |||
144 | } |
|
161 | } | |
145 |
|
162 | |||
146 | #[cfg(test)] |
|
163 | #[cfg(test)] |
@@ -16,7 +16,12 b' use hex::{self, FromHex, FromHexError};' | |||||
16 | /// are private so that calling code does not expect all nodes have |
|
16 | /// are private so that calling code does not expect all nodes have | |
17 | /// the same size, should we support several formats concurrently in |
|
17 | /// the same size, should we support several formats concurrently in | |
18 | /// the future. |
|
18 | /// the future. | |
19 | const NODE_BYTES_LENGTH: usize = 20; |
|
19 | pub const NODE_BYTES_LENGTH: usize = 20; | |
|
20 | ||||
|
21 | /// Id of the null node. | |||
|
22 | /// | |||
|
23 | /// Used to indicate the absence of node. | |||
|
24 | pub const NULL_NODE_ID: [u8; NODE_BYTES_LENGTH] = [0u8; NODE_BYTES_LENGTH]; | |||
20 |
|
25 | |||
21 | /// The length in bytes of a `Node` |
|
26 | /// The length in bytes of a `Node` | |
22 | /// |
|
27 | /// |
@@ -5,12 +5,15 b' use std::ops::Deref;' | |||||
5 | use std::path::Path; |
|
5 | use std::path::Path; | |
6 |
|
6 | |||
7 | use byteorder::{BigEndian, ByteOrder}; |
|
7 | use byteorder::{BigEndian, ByteOrder}; | |
|
8 | use crypto::digest::Digest; | |||
|
9 | use crypto::sha1::Sha1; | |||
8 | use flate2::read::ZlibDecoder; |
|
10 | use flate2::read::ZlibDecoder; | |
9 | use memmap::{Mmap, MmapOptions}; |
|
11 | use memmap::{Mmap, MmapOptions}; | |
10 | use micro_timer::timed; |
|
12 | use micro_timer::timed; | |
11 | use zstd; |
|
13 | use zstd; | |
12 |
|
14 | |||
13 | use super::index::Index; |
|
15 | use super::index::Index; | |
|
16 | use super::node::{NODE_BYTES_LENGTH, NULL_NODE_ID}; | |||
14 | use super::patch; |
|
17 | use super::patch; | |
15 | use crate::revlog::Revision; |
|
18 | use crate::revlog::Revision; | |
16 |
|
19 | |||
@@ -93,13 +96,52 b' impl Revlog {' | |||||
93 | .map_err(|_| RevlogError::Corrupted)?; |
|
96 | .map_err(|_| RevlogError::Corrupted)?; | |
94 | } |
|
97 | } | |
95 |
|
98 | |||
96 | if delta_chain.is_empty() { |
|
99 | // TODO do not look twice in the index | |
97 | Ok(entry.data()?.into()) |
|
100 | let index = self.index(); | |
|
101 | let index_entry = | |||
|
102 | index.get_entry(rev).ok_or(RevlogError::InvalidRevision)?; | |||
|
103 | ||||
|
104 | let data: Vec<u8> = if delta_chain.is_empty() { | |||
|
105 | entry.data()?.into() | |||
|
106 | } else { | |||
|
107 | Revlog::build_data_from_deltas(entry, &delta_chain)? | |||
|
108 | }; | |||
|
109 | ||||
|
110 | if self.check_hash( | |||
|
111 | index_entry.p1(), | |||
|
112 | index_entry.p2(), | |||
|
113 | index_entry.hash(), | |||
|
114 | &data, | |||
|
115 | ) { | |||
|
116 | Ok(data) | |||
98 | } else { |
|
117 | } else { | |
99 | Revlog::build_data_from_deltas(entry, &delta_chain) |
|
118 | Err(RevlogError::Corrupted) | |
100 | } |
|
119 | } | |
101 | } |
|
120 | } | |
102 |
|
121 | |||
|
122 | /// Check the hash of some given data against the recorded hash. | |||
|
123 | pub fn check_hash( | |||
|
124 | &self, | |||
|
125 | p1: Revision, | |||
|
126 | p2: Revision, | |||
|
127 | expected: &[u8], | |||
|
128 | data: &[u8], | |||
|
129 | ) -> bool { | |||
|
130 | let index = self.index(); | |||
|
131 | let e1 = index.get_entry(p1); | |||
|
132 | let h1 = match e1 { | |||
|
133 | Some(ref entry) => entry.hash(), | |||
|
134 | None => &NULL_NODE_ID, | |||
|
135 | }; | |||
|
136 | let e2 = index.get_entry(p2); | |||
|
137 | let h2 = match e2 { | |||
|
138 | Some(ref entry) => entry.hash(), | |||
|
139 | None => &NULL_NODE_ID, | |||
|
140 | }; | |||
|
141 | ||||
|
142 | hash(data, &h1, &h2).as_slice() == expected | |||
|
143 | } | |||
|
144 | ||||
103 | /// Build the full data of a revision out its snapshot |
|
145 | /// Build the full data of a revision out its snapshot | |
104 | /// and its deltas. |
|
146 | /// and its deltas. | |
105 | #[timed] |
|
147 | #[timed] | |
@@ -234,6 +276,23 b' pub fn get_version(index_bytes: &[u8]) -' | |||||
234 | BigEndian::read_u16(&index_bytes[2..=3]) |
|
276 | BigEndian::read_u16(&index_bytes[2..=3]) | |
235 | } |
|
277 | } | |
236 |
|
278 | |||
|
279 | /// Calculate the hash of a revision given its data and its parents. | |||
|
280 | fn hash(data: &[u8], p1_hash: &[u8], p2_hash: &[u8]) -> Vec<u8> { | |||
|
281 | let mut hasher = Sha1::new(); | |||
|
282 | let (a, b) = (p1_hash, p2_hash); | |||
|
283 | if a > b { | |||
|
284 | hasher.input(b); | |||
|
285 | hasher.input(a); | |||
|
286 | } else { | |||
|
287 | hasher.input(a); | |||
|
288 | hasher.input(b); | |||
|
289 | } | |||
|
290 | hasher.input(data); | |||
|
291 | let mut hash = vec![0; NODE_BYTES_LENGTH]; | |||
|
292 | hasher.result(&mut hash); | |||
|
293 | hash | |||
|
294 | } | |||
|
295 | ||||
237 | #[cfg(test)] |
|
296 | #[cfg(test)] | |
238 | mod tests { |
|
297 | mod tests { | |
239 | use super::*; |
|
298 | use super::*; |
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