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wireprotov2: define and implement "manifestdata" command...
wireprotov2: define and implement "manifestdata" command The added command can be used for obtaining manifest data. Given a manifest path and set of manifest nodes, data about manifests can be retrieved. Unlike changeset data, we wish to emit deltas to describe manifest revisions. So the command uses the relatively new API for building delta requests and emitting them. The code calls into deltaparent(), which I'm not very keen of. There's still work to be done in delta generation land so implementation details of storage (e.g. exactly one delta is stored/available) don't creep into higher levels. But we can worry about this later (there is already a TODO on imanifestorage tracking this). On the subject of parent deltas, the server assumes parent revisions exist on the receiving end. This is obviously wrong for shallow clone. I've added TODOs to add a mechanism to the command to allow clients to specify desired behavior. This shouldn't be too difficult to implement. Another big change is that the client must explicitly request manifest nodes to retrieve. This is a major departure from "getbundle," where the server derives relevant manifests as it iterates changesets and sends them automatically. As implemented, the client must transmit each requested node to the server. At 20 bytes per node, we're looking at 2 MB per 100,000 nodes. Plus wire encoding overhead. This isn't ideal for clients with limited upload bandwidth. I plan to address this in the future by allowing alternate mechanisms for defining the revisions to retrieve. One idea is to define a range of changeset revisions whose manifest revisions to retrieve (similar to how "changesetdata" works). We almost certainly want an API to look up an individual manifest by node. And that's where I've chosen to start with the implementation. Again, a theme of this early exchangev2 work is I want to start by building primitives for accessing raw repository data first and see how far we can get with those before we need more complexity. Differential Revision: https://phab.mercurial-scm.org/D4488

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test-convert-hg-source.t
208 lines | 4.8 KiB | text/troff | Tads3Lexer
/ tests / test-convert-hg-source.t
Matt Mackall
tests: unify test-convert-hg-source
r12526 $ cat >> $HGRCPATH <<EOF
> [extensions]
> convert=
> [convert]
> hg.saverev=False
> EOF
$ hg init orig
$ cd orig
$ echo foo > foo
$ echo bar > bar
$ hg ci -qAm 'add foo bar' -d '0 0'
$ echo >> foo
$ hg ci -m 'change foo' -d '1 0'
$ hg up -qC 0
$ hg copy --after --force foo bar
$ hg copy foo baz
$ hg ci -m 'make bar and baz copies of foo' -d '2 0'
created new head
Matt Harbison
templater: don't overwrite the keyword mapping in runsymbol() (issue4362)...
r23167
Test that template can print all file copies (issue4362)
$ hg log -r . --template "{file_copies % ' File: {file_copy}\n'}"
File: bar (foo)
File: baz (foo)
Edouard Gomez
convert: add hg source bookmark test
r13866 $ hg bookmark premerge1
David Soria Parra
merge: respect bookmarks during merge...
r16708 $ hg merge -r 1
Matt Mackall
tests: unify test-convert-hg-source
r12526 merging baz and foo to baz
1 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci -m 'merge local copy' -d '3 0'
$ hg up -C 1
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
Siddharth Agarwal
update: when deactivating a bookmark, print a message...
r21404 (leaving bookmark premerge1)
Edouard Gomez
convert: add hg source bookmark test
r13866 $ hg bookmark premerge2
Matt Mackall
tests: unify test-convert-hg-source
r12526 $ hg merge 2
merging foo and baz to baz
1 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci -m 'merge remote copy' -d '4 0'
created new head
Matt Mackall
convert: properly pass null ids through .hgtags (issue4678)...
r25305
Make and delete some tags
$ hg tag that
$ hg tag --remove that
$ hg tag this
Mads Kiilerich
tests: convert some 'hghave execbit' to #if...
r16899 #if execbit
Matt Mackall
tests: unify test-convert-hg-source
r12526 $ chmod +x baz
Mads Kiilerich
tests: convert some 'hghave execbit' to #if...
r16899 #else
$ echo some other change to make sure we get a rev 5 > baz
#endif
Matt Mackall
tests: unify test-convert-hg-source
r12526 $ hg ci -m 'mark baz executable' -d '5 0'
$ cd ..
$ hg convert --datesort orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
initializing destination new repository
scanning source...
sorting...
converting...
Matt Mackall
convert: properly pass null ids through .hgtags (issue4678)...
r25305 8 add foo bar
7 change foo
6 make bar and baz copies of foo
5 merge local copy
4 merge remote copy
3 Added tag that for changeset 88586c4e9f02
2 Removed tag that
1 Added tag this for changeset c56a7f387039
Patrick Mezard
convert: make filemap prune useless branch closing revs (issue2774)...
r13968 0 mark baz executable
Edouard Gomez
convert: add hg source bookmark test
r13866 updating bookmarks
Matt Mackall
tests: unify test-convert-hg-source
r12526 $ cd new
$ hg out ../orig
comparing with ../orig
searching for changes
no changes found
[1]
Mads Kiilerich
tests: convert some 'hghave execbit' to #if...
r16899 #if execbit
Edouard Gomez
convert: add hg source bookmark test
r13866 $ hg bookmarks
premerge1 3:973ef48a98a4
Matt Mackall
convert: properly pass null ids through .hgtags (issue4678)...
r25305 premerge2 8:91d107c423ba
Mads Kiilerich
tests: convert some 'hghave execbit' to #if...
r16899 #else
Different hash because no x bit
$ hg bookmarks
premerge1 3:973ef48a98a4
Matt Mackall
convert: properly pass null ids through .hgtags (issue4678)...
r25305 premerge2 8:3537b15eaaca
Mads Kiilerich
tests: convert some 'hghave execbit' to #if...
r16899 #endif
Durham Goode
convert: fix bug with converting the same commit twice...
r25697
Test that redoing a convert results in an identical graph
$ cd ../
$ rm new/.hg/shamap
$ hg convert --datesort orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
scanning source...
sorting...
converting...
8 add foo bar
7 change foo
6 make bar and baz copies of foo
5 merge local copy
4 merge remote copy
3 Added tag that for changeset 88586c4e9f02
2 Removed tag that
1 Added tag this for changeset c56a7f387039
0 mark baz executable
updating bookmarks
$ hg -R new log -G -T '{rev} {desc}'
o 8 mark baz executable
|
o 7 Added tag this for changeset c56a7f387039
|
o 6 Removed tag that
|
o 5 Added tag that for changeset 88586c4e9f02
|
o 4 merge remote copy
|\
+---o 3 merge local copy
| |/
| o 2 make bar and baz copies of foo
| |
o | 1 change foo
|/
o 0 add foo bar
Matt Mackall
tests: unify test-convert-hg-source
r12526
check shamap LF and CRLF handling
$ cat > rewrite.py <<EOF
> import sys
> # Interlace LF and CRLF
Pulkit Goyal
py3: replace file() with open() in test-convert-hg-source.t...
r36070 > lines = [(l.rstrip() + ((i % 2) and b'\n' or b'\r\n'))
> for i, l in enumerate(open(sys.argv[1], 'rb'))]
> open(sys.argv[1], 'wb').write(b''.join(lines))
Matt Mackall
tests: unify test-convert-hg-source
r12526 > EOF
Augie Fackler
cleanup: use $PYTHON to run python in many more tests...
r32940 $ $PYTHON rewrite.py new/.hg/shamap
Matt Mackall
tests: unify test-convert-hg-source
r12526 $ cd orig
$ hg up -qC 1
$ echo foo >> foo
$ hg ci -qm 'change foo again'
$ hg up -qC 2
$ echo foo >> foo
$ hg ci -qm 'change foo again again'
$ cd ..
$ hg convert --datesort orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
scanning source...
sorting...
converting...
1 change foo again again
0 change foo again
Edouard Gomez
convert: add hg source bookmark test
r13866 updating bookmarks
Matt Mackall
tests: unify test-convert-hg-source
r12526
init broken repository
$ hg init broken
$ cd broken
$ echo a >> a
$ echo b >> b
$ hg ci -qAm init
$ echo a >> a
$ echo b >> b
$ hg copy b c
$ hg ci -qAm changeall
$ hg up -qC 0
$ echo bc >> b
$ hg ci -m changebagain
created new head
$ HGMERGE=internal:local hg -q merge
$ hg ci -m merge
$ hg mv b d
$ hg ci -m moveb
break it
Gregory Szorc
tests: conditionalize test output for simple store...
r37365 #if reporevlogstore
Matt Mackall
tests: unify test-convert-hg-source
r12526 $ rm .hg/store/data/b.*
Gregory Szorc
tests: conditionalize test output for simple store...
r37365 #endif
#if reposimplestore
$ rm .hg/store/data/b/*
#endif
Matt Mackall
tests: unify test-convert-hg-source
r12526 $ cd ..
$ hg --config convert.hg.ignoreerrors=True convert broken fixed
initializing destination fixed repository
scanning source...
sorting...
converting...
4 init
Gregory Szorc
tests: conditionalize tests for various repo features...
r37434 ignoring: data/b.i@1e88685f5dde: no match found (reporevlogstore !)
ignoring: data/b/index@1e88685f5dde: no node (reposimplestore !)
Matt Mackall
tests: unify test-convert-hg-source
r12526 3 changeall
2 changebagain
1 merge
0 moveb
$ hg -R fixed verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
Meirambek Omyrzak
verify: make output less confusing (issue5924)...
r39525 checked 5 changesets with 5 changes to 3 files
Matt Mackall
tests: unify test-convert-hg-source
r12526
manifest -r 0
$ hg -R fixed manifest -r 0
a
manifest -r tip
$ hg -R fixed manifest -r tip
a
c
d