Newer
Older
Check whether size of generaldelta revlog is not bigger than its
regular equivalent. Test would fail if generaldelta was naive
implementation of parentdelta: third manifest revision would be fully
inserted due to big distance from its paren revision (zero).
(We disable the revlog compression to avoid the annoying instability in the chunk size that depends on the compressors implementation)
$ cat << EOF >> $HGRCPATH
> [format]
> sparse-revlog = no
> revlog-compression = none
$ hg init repo --config format.generaldelta=no --config format.usegeneraldelta=no
$ cd repo
$ echo foo > foo
$ echo bar > bar
$ hg commit -q -Am boo
$ hg clone --pull . ../gdrepo -q --config format.generaldelta=yes
$ for r in 1 2 3; do
> echo $r > foo
> hg commit -q -m $r
> hg up -q -r 0
> hg pull . -q -r $r -R ../gdrepo
> done
>>> import os
>>> regsize = os.stat("repo/.hg/store/00manifest.i").st_size
>>> gdsize = os.stat("gdrepo/.hg/store/00manifest.i").st_size
>>> if regsize < gdsize:
... print('generaldata increased size of manifest')
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Verify rev reordering doesnt create invalid bundles (issue4462)
This requires a commit tree that when pulled will reorder manifest revs such
that the second manifest to create a file rev will be ordered before the first
manifest to create that file rev. We also need to do a partial pull to ensure
reordering happens. At the end we verify the linkrev points at the earliest
commit.
$ hg init server --config format.generaldelta=True
$ cd server
$ touch a
$ hg commit -Aqm a
$ echo x > x
$ echo y > y
$ hg commit -Aqm xy
$ hg up -q '.^'
$ echo x > x
$ echo z > z
$ hg commit -Aqm xz
$ hg up -q 1
$ echo b > b
$ hg commit -Aqm b
$ hg merge -q 2
$ hg commit -Aqm merge
$ echo c > c
$ hg commit -Aqm c
$ hg log -G -T '{rev} {shortest(node)} {desc}'
@ 5 ebb8 c
|
o 4 baf7 merge
|\
| o 3 a129 b
| |
o | 2 958c xz
| |
| o 1 f00c xy
|/
o 0 3903 a
$ cd ..
$ hg init client --config format.generaldelta=false --config format.usegeneraldelta=false
$ cd client
$ hg pull -q ../server -r 4
rev p1 p2 chain# chainlen prev delta
0 -1 -1 1 1 -1 base
Test "usegeneraldelta" config
(repo are general delta, but incoming bundle are not re-deltafied)
delta coming from the server base delta server are not recompressed.
(also include the aggressive version for comparison)
$ hg clone repo --pull --config format.usegeneraldelta=1 usegd
requesting all changes
adding changesets
adding manifests
adding file changes
added 4 changesets with 6 changes to 3 files (+2 heads)
Denis Laxalde
committed
new changesets 0ea3fcf9d01d:bba78d330d9c
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg clone repo --pull --config format.generaldelta=1 full
requesting all changes
adding changesets
adding manifests
adding file changes
added 4 changesets with 6 changes to 3 files (+2 heads)
Denis Laxalde
committed
new changesets 0ea3fcf9d01d:bba78d330d9c
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R repo debugdeltachain -m
rev p1 p2 chain# chainlen prev delta
0 -1 -1 1 1 -1 base
1 0 -1 1 2 0 prev
2 0 -1 1 3 1 prev
3 0 -1 2 1 -1 base
$ hg -R usegd debugdeltachain -m
rev p1 p2 chain# chainlen prev delta
0 -1 -1 1 1 -1 base
1 0 -1 1 2 0 p1
2 0 -1 1 3 1 prev
3 0 -1 1 2 0 p1
$ hg -R full debugdeltachain -m
rev p1 p2 chain# chainlen prev delta
0 -1 -1 1 1 -1 base
1 0 -1 1 2 0 p1
2 0 -1 1 2 0 p1
3 0 -1 1 2 0 p1
Test revlog.optimize-delta-parent-choice
$ hg init --config format.generaldelta=1 aggressive
$ cd aggressive
$ cat << EOF >> .hg/hgrc
> [format]
> generaldelta = 1
> EOF
$ touch a b c d e
$ hg commit -Aqm side1
$ hg up -q null
$ touch x y
$ hg commit -Aqm side2
- Verify non-aggressive merge uses p1 (commit 1) as delta parent
$ hg merge -q 0
$ hg commit -q -m merge --config storage.revlog.optimize-delta-parent-choice=no
rev p1 p2 chain# chainlen prev delta
0 -1 -1 1 1 -1 base
1 -1 -1 2 1 -1 base
2 1 0 2 2 1 p1
$ hg strip -q -r . --config extensions.strip=
- Verify aggressive merge uses p2 (commit 0) as delta parent
$ hg up -q -C 1
$ hg merge -q 0
$ hg commit -q -m merge --config storage.revlog.optimize-delta-parent-choice=yes
rev p1 p2 chain# chainlen prev delta
0 -1 -1 1 1 -1 base
1 -1 -1 2 1 -1 base
Test that strip bundle use bundle2
$ hg --config extensions.strip= strip .
0 files updated, 0 files merged, 5 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/aggressive/.hg/strip-backup/1c5d4dc9a8b8-6c68e60c-backup.hg
$ hg debugbundle .hg/strip-backup/*
Stream params: {Compression: BZ}
changegroup -- {nbchanges: 1, version: 03} (mandatory: True)
1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9
cache:rev-branch-cache -- {} (mandatory: False)
phase-heads -- {} (mandatory: True)
1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9 draft

Pierre-Yves David
committed
test maxdeltachainspan
$ hg init source-repo
$ cd source-repo
$ hg debugbuilddag --new-file '.+5:brancha$.+11:branchb$.+30:branchc<brancha+2<branchb+2'
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# add an empty revision somewhere
$ hg up tip
14 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg rm .
removing nf10
removing nf11
removing nf12
removing nf13
removing nf14
removing nf15
removing nf16
removing nf17
removing nf51
removing nf52
removing nf6
removing nf7
removing nf8
removing nf9
$ hg commit -m 'empty all'
$ hg revert --all --rev 'p1(.)'
adding nf10
adding nf11
adding nf12
adding nf13
adding nf14
adding nf15
adding nf16
adding nf17
adding nf51
adding nf52
adding nf6
adding nf7
adding nf8
adding nf9
$ hg commit -m 'restore all'
$ hg up null
0 files updated, 0 files merged, 14 files removed, 0 files unresolved
$

Pierre-Yves David
committed
$ cd ..
$ hg -R source-repo debugdeltachain -m --all-info
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rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio
0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000
1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000
2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000
3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000
4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000
5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000
6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000
7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000
8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000
9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000
10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000
11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000
12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000
13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000
14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000
15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000
16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000
17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000
18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000
19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000
20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000
21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000
22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000
23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000
24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000
25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000
26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000
27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000
28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000
29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000
30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000
31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000
32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000
33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000
34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000
35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000
36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000
37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000
38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000
39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000
40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000
41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000
42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000
43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000
44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000
45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000
46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000
47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000
48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000
49 5 -1 4 1 -1 base 317 316 317 1.00316 317 0 0.00000
50 49 -1 4 2 49 p1 58 362 375 1.03591 375 0 0.00000
51 17 -1 5 1 -1 base 595 594 595 1.00168 595 0 0.00000
52 51 -1 5 2 51 p1 58 640 653 1.02031 653 0 0.00000
53 52 -1 6 1 -1 base 0 0 0 0.00000 0 0 0.00000
54 53 -1 7 1 -1 base 641 640 641 1.00156 641 0 0.00000
$ hg clone --pull source-repo --config experimental.maxdeltachainspan=2900 relax-chain --config format.generaldelta=yes

Pierre-Yves David
committed
requesting all changes
adding changesets
adding manifests
adding file changes
added 55 changesets with 53 changes to 53 files (+2 heads)
new changesets 61246295ee1e:c930ac4a5b32

Pierre-Yves David
committed
updating to branch default
14 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R relax-chain debugdeltachain -m --all-info
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rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio
0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000
1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000
2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000
3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000
4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000
5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000
6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000
7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000
8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000
9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000
10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000
11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000
12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000
13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000
14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000
15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000
16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000
17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000
18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000
19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000
20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000
21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000
22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000
23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000
24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000
25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000
26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000
27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000
28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000
29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000
30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000
31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000
32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000
33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000
34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000
35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000
36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000
37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000
38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000
39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000
40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000
41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000
42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000
43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000
44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000
45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000
46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000
47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000
48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000
49 5 -1 1 7 5 p1 58 316 389 1.23101 2857 2468 6.34447
50 49 -1 4 1 -1 base 363 362 363 1.00276 363 0 0.00000
51 17 -1 5 1 -1 base 595 594 595 1.00168 595 0 0.00000
52 51 -1 5 2 51 p1 58 640 653 1.02031 653 0 0.00000
53 52 -1 6 1 -1 base 0 0 0 0.00000 0 0 0.00000
54 53 -1 7 1 -1 base 641 640 641 1.00156 641 0 0.00000
$ hg clone --pull source-repo --config experimental.maxdeltachainspan=0 noconst-chain --config format.usegeneraldelta=yes --config storage.revlog.reuse-external-delta-parent=no

Pierre-Yves David
committed
requesting all changes
adding changesets
adding manifests
adding file changes
added 55 changesets with 53 changes to 53 files (+2 heads)
new changesets 61246295ee1e:c930ac4a5b32

Pierre-Yves David
committed
updating to branch default
14 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R noconst-chain debugdeltachain -m --all-info
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rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio
0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000
1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000
2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000
3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000
4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000
5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000
6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000
7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000
8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000
9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000
10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000
11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000
12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000
13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000
14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000
15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000
16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000
17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000
18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000
19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000
20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000
21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000
22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000
23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000
24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000
25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000
26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000
27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000
28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000
29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000
30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000
31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000
32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000
33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000
34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000
35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000
36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000
37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000
38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000
39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000
40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000
41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000
42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000
43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000
44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000
45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000
46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000
47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000
48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000
49 5 -1 1 7 5 p1 58 316 389 1.23101 2857 2468 6.34447
50 49 -1 1 8 49 p1 58 362 447 1.23481 2915 2468 5.52125
51 17 -1 2 13 17 p1 58 594 739 1.24411 2642 1903 2.57510
52 51 -1 2 14 51 p1 58 640 797 1.24531 2700 1903 2.38770
53 52 -1 4 1 -1 base 0 0 0 0.00000 0 0 0.00000
54 53 -1 5 1 -1 base 641 640 641 1.00156 641 0 0.00000