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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-mq-symlinks.t
112 lines | 1.8 KiB | text/troff | Tads3Lexer
/ tests / test-mq-symlinks.t
Matt Mackall
tests: replace exit 80 with #require
r22046 #require symlink
Nicolas Dumazet
tests: unify test-mq-symlinks
r11908
$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg init
$ hg qinit
$ hg qnew base.patch
$ echo aaa > a
$ echo bbb > b
$ echo ccc > c
$ hg add a b c
$ hg qrefresh
Matt Mackall
tests: drop explicit $TESTDIR from executables...
r25472 $ readlink.py a
Nicolas Dumazet
tests: unify test-mq-symlinks
r11908 a -> a not a symlink
test replacing a file with a symlink
$ hg qnew symlink.patch
$ rm a
$ ln -s b a
$ hg qrefresh --git
Matt Mackall
tests: drop explicit $TESTDIR from executables...
r25472 $ readlink.py a
Nicolas Dumazet
tests: unify test-mq-symlinks
r11908 a -> b
$ hg qpop
popping symlink.patch
now at: base.patch
$ hg qpush
applying symlink.patch
now at: symlink.patch
Matt Mackall
tests: drop explicit $TESTDIR from executables...
r25472 $ readlink.py a
Nicolas Dumazet
tests: unify test-mq-symlinks
r11908 a -> b
test updating a symlink
$ rm a
$ ln -s c a
$ hg qnew --git -f updatelink
Matt Mackall
tests: drop explicit $TESTDIR from executables...
r25472 $ readlink.py a
Nicolas Dumazet
tests: unify test-mq-symlinks
r11908 a -> c
$ hg qpop
popping updatelink
now at: symlink.patch
$ hg qpush --debug
applying updatelink
patching file a
Mads Kiilerich
localrepo: show headline notes in commitctx before showing filenames...
r23749 committing files:
Nicolas Dumazet
tests: unify test-mq-symlinks
r11908 a
Mads Kiilerich
localrepo: show headline notes in commitctx before showing filenames...
r23749 committing manifest
committing changelog
Pierre-Yves David
caches: move the 'updating the branch cache' message in 'updatecaches'...
r32267 updating the branch cache
Nicolas Dumazet
tests: unify test-mq-symlinks
r11908 now at: updatelink
Matt Mackall
tests: drop explicit $TESTDIR from executables...
r25472 $ readlink.py a
Nicolas Dumazet
tests: unify test-mq-symlinks
r11908 a -> c
$ hg st
test replacing a symlink with a file
$ ln -s c s
$ hg add s
$ hg qnew --git -f addlink
$ rm s
$ echo sss > s
$ hg qnew --git -f replacelinkwithfile
$ hg qpop
popping replacelinkwithfile
now at: addlink
$ hg qpush
applying replacelinkwithfile
now at: replacelinkwithfile
$ cat s
sss
$ hg st
test symlink removal
$ hg qnew removesl.patch
$ hg rm a
$ hg qrefresh --git
$ hg qpop
popping removesl.patch
now at: replacelinkwithfile
$ hg qpush
applying removesl.patch
now at: removesl.patch
$ hg st -c
C b
C c
C s
Patrick Mezard
Merge with stable
r12345
replace broken symlink with another broken symlink
$ ln -s linka linka
$ hg add linka
$ hg qnew link
$ hg mv linka linkb
Mads Kiilerich
merge with stable
r12398 $ rm linkb
$ ln -s linkb linkb
Patrick Mezard
Merge with stable
r12345 $ hg qnew movelink
$ hg qpop
popping movelink
now at: link
$ hg qpush
applying movelink
now at: movelink
Matt Mackall
tests: drop explicit $TESTDIR from executables...
r25472 $ readlink.py linkb
Patrick Mezard
Merge with stable
r12345 linkb -> linkb