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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-tools.t
108 lines | 2.8 KiB | text/troff | Tads3Lexer
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 Tests of the file helper tool
$ f -h
Matt Mackall
test-tools: fix portability issues
r23909 ?sage: f [options] [filenames] (glob)
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860
Matt Mackall
tests: more fixes for f
r23913 ?ptions: (glob)
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 -h, --help show this help message and exit
-t, --type show file type (file or directory)
-m, --mode show file mode
-l, --links show number of links
-s, --size show size of file
-n NEWER, --newer=NEWER
check if file is newer (or same)
-r, --recurse recurse into directories
-S, --sha1 show sha1 hash of the content
Matt Harbison
tests: teach `f` to handle sha256 checksums
r35488 --sha256 show sha256 hash of the content
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 -M, --md5 show md5 hash of the content
-D, --dump dump file content
-H, --hexdump hexdump file content
-B BYTES, --bytes=BYTES
number of characters to dump
-L LINES, --lines=LINES
number of lines to dump
-q, --quiet no default output
$ mkdir dir
$ cd dir
$ f --size
size=0
$ echo hello | f --md5 --size
size=6, md5=b1946ac92492d2347c6235b4d2611184
$ f foo
foo: file not found
$ echo foo > foo
$ f foo
foo:
Matt Harbison
tests: fix a bug in `f` that prevented calculating sha1sum on a file
r35487 $ f --sha1 foo
foo: sha1=f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
Matt Harbison
tests: teach `f` to handle sha256 checksums
r35488 $ f --sha256 foo
foo: sha256=b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 #if symlink
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 $ f foo --mode
foo: mode=644
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 #endif
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860
Matt Harbison
tests: make 'f' tool open files in binary mode when hexdumping...
r26950 #if no-windows
Augie Fackler
cleanup: use $PYTHON to run python in many more tests...
r32940 $ $PYTHON $TESTDIR/seq.py 10 > bar
Matt Harbison
tests: make 'f' tool open files in binary mode when hexdumping...
r26950 #else
Convert CRLF -> LF for consistency
Augie Fackler
cleanup: use $PYTHON to run python in many more tests...
r32940 $ $PYTHON $TESTDIR/seq.py 10 | sed "s/$//" > bar
Matt Harbison
tests: make 'f' tool open files in binary mode when hexdumping...
r26950 #endif
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 #if unix-permissions symlink
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 $ chmod +x bar
$ f bar --newer foo --mode --type --size --dump --links --bytes 7
bar: file, size=21, mode=755, links=1, newer than foo
>>>
1
2
3
4
<<< no trailing newline
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 #endif
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860
Matt Mackall
test-tools: check for unix permissions for hardlinking
r23914 #if unix-permissions
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 $ ln bar baz
$ f bar -n baz -l --hexdump -t --sha1 --lines=9 -B 20
bar: file, links=2, newer than baz, sha1=612ca68d0305c821750a
0000: 31 0a 32 0a 33 0a 34 0a 35 0a 36 0a 37 0a 38 0a |1.2.3.4.5.6.7.8.|
0010: 39 0a |9.|
Matt Mackall
test-tools: another vfat fix
r23915 $ rm baz
Matt Mackall
test-tools: check for unix permissions for hardlinking
r23914 #endif
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 #if unix-permissions symlink
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 $ ln -s yadda l
$ f . --recurse -MStmsB4
Matt Mackall
test-tools: another vfat fix
r23915 .: directory with 3 files, mode=755
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 ./bar: file, size=21, mode=755, md5=3b03, sha1=612c
./foo: file, size=4, mode=644, md5=d3b0, sha1=f1d2
Matt Mackall
tests: teach f not to report symlink mode bits...
r23912 ./l: link, size=5, md5=2faa, sha1=af93
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 #endif
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860
$ f --quiet bar -DL 3
1
2
3
$ cd ..
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 Yadda is a symlink
Mads Kiilerich
tests: add 'f' tool for cross platform file operations in the tests...
r23860 $ f -qr dir -HB 17
Matt Harbison
test-tools: conditionalize output instead of tests
r33339 dir: directory with 3 files (symlink !)
dir: directory with 2 files (no-symlink !)
Matt Harbison
tests: remove (glob) annotations that were only for '\' matches...
r35394 dir/bar:
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 0000: 31 0a 32 0a 33 0a 34 0a 35 0a 36 0a 37 0a 38 0a |1.2.3.4.5.6.7.8.|
0010: 39 |9|
Matt Harbison
tests: remove (glob) annotations that were only for '\' matches...
r35394 dir/foo:
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867 0000: 66 6f 6f 0a |foo.|
Matt Harbison
test-tools: conditionalize output instead of tests
r33339 dir/l: (symlink !)
0000: 79 61 64 64 61 |yadda| (symlink !)
Matt Harbison
tests: conditionalize test-tools.t for Windows support...
r23867