upstream/mercurial-mirror Files · tests/test-push-cgi.t

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

Pulkit Goyal - - Load All Authors

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      #require no-msys # MSYS will translate web paths as if they were file paths

      This is a test of the push wire protocol over CGI-based hgweb.

      initialize repository

        $ hg init r

        $ cd r

        $ echo a > a

        $ hg ci -A -m "0"

        adding a

        $ echo '[web]' > .hg/hgrc

        $ echo 'allow_push = *' >> .hg/hgrc

        $ echo 'push_ssl = false' >> .hg/hgrc

      create hgweb invocation script

        $ cat >hgweb.cgi <<HGWEB

        > import cgitb

        > cgitb.enable()

        > from mercurial import demandimport; demandimport.enable()

        > from mercurial.hgweb import hgweb

        > from mercurial.hgweb import wsgicgi

        > application = hgweb(b'.', b'test repository')

        > wsgicgi.launch(application)

        > HGWEB

        $ chmod 755 hgweb.cgi

      test preparation

        $ . "$TESTDIR/cgienv"

        $ REQUEST_METHOD="POST"; export REQUEST_METHOD

        $ CONTENT_TYPE="application/octet-stream"; export CONTENT_TYPE

        $ hg bundle --type v1 --all bundle.hg

        1 changesets found

        $ CONTENT_LENGTH=279; export CONTENT_LENGTH;

      expect failure because heads doesn't match (formerly known as 'unsynced changes')

        $ QUERY_STRING="cmd=unbundle&heads=0000000000000000000000000000000000000000"; export QUERY_STRING

        $ $PYTHON hgweb.cgi <bundle.hg >page1 2>&1

        $ cat page1

        Status: 200 Script output follows\r (esc)

        Content-Type: application/mercurial-0.1\r (esc)

        Content-Length: 64\r (esc)

        \r (esc)

        0

        repository changed while preparing changes - please try again

      successful force push

        $ QUERY_STRING="cmd=unbundle&heads=666f726365"; export QUERY_STRING

        $ $PYTHON hgweb.cgi <bundle.hg >page2 2>&1

        $ cat page2

        Status: 200 Script output follows\r (esc)

        Content-Type: application/mercurial-0.1\r (esc)

        Content-Length: 102\r (esc)

        \r (esc)

        1

        adding changesets

        adding manifests

        adding file changes

        added 0 changesets with 0 changes to 1 files

      successful push, list of heads

        $ QUERY_STRING="cmd=unbundle&heads=f7b1eb17ad24730a1651fccd46c43826d1bbc2ac"; export QUERY_STRING

        $ $PYTHON hgweb.cgi <bundle.hg >page3 2>&1

        $ cat page3

        Status: 200 Script output follows\r (esc)

        Content-Type: application/mercurial-0.1\r (esc)

        Content-Length: 102\r (esc)

        \r (esc)

        1

        adding changesets

        adding manifests

        adding file changes

        added 0 changesets with 0 changes to 1 files

      successful push, SHA1 hash of heads (unbundlehash capability)

        $ QUERY_STRING="cmd=unbundle&heads=686173686564 5a785a5f9e0d433b88ed862b206b011b0c3a9d13"; export QUERY_STRING

        $ $PYTHON hgweb.cgi <bundle.hg >page4 2>&1

        $ cat page4

        Status: 200 Script output follows\r (esc)

        Content-Type: application/mercurial-0.1\r (esc)

        Content-Length: 102\r (esc)

        \r (esc)

        1

        adding changesets

        adding manifests

        adding file changes

        added 0 changesets with 0 changes to 1 files

        $ cd ..

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				#require no-msys # MSYS will translate web paths as if they were file paths

				This is a test of the push wire protocol over CGI-based hgweb.

				initialize repository

				$ hg init r
				$ cd r
				$ echo a > a
				$ hg ci -A -m "0"
				adding a
				$ echo '[web]' > .hg/hgrc
				$ echo 'allow_push = *' >> .hg/hgrc
				$ echo 'push_ssl = false' >> .hg/hgrc

				create hgweb invocation script

				$ cat >hgweb.cgi <<HGWEB
				> import cgitb
				> cgitb.enable()
				> from mercurial import demandimport; demandimport.enable()
				> from mercurial.hgweb import hgweb
				> from mercurial.hgweb import wsgicgi
				> application = hgweb(b'.', b'test repository')
				> wsgicgi.launch(application)
				> HGWEB
				$ chmod 755 hgweb.cgi

				test preparation

				$ . "$TESTDIR/cgienv"
				$ REQUEST_METHOD="POST"; export REQUEST_METHOD
				$ CONTENT_TYPE="application/octet-stream"; export CONTENT_TYPE
				$ hg bundle --type v1 --all bundle.hg
				1 changesets found
				$ CONTENT_LENGTH=279; export CONTENT_LENGTH;

				expect failure because heads doesn't match (formerly known as 'unsynced changes')

				$ QUERY_STRING="cmd=unbundle&heads=0000000000000000000000000000000000000000"; export QUERY_STRING
				$ $PYTHON hgweb.cgi <bundle.hg >page1 2>&1
				$ cat page1
				Status: 200 Script output follows\r (esc)
				Content-Type: application/mercurial-0.1\r (esc)
				Content-Length: 64\r (esc)
				\r (esc)
				0
				repository changed while preparing changes - please try again

				successful force push

				$ QUERY_STRING="cmd=unbundle&heads=666f726365"; export QUERY_STRING
				$ $PYTHON hgweb.cgi <bundle.hg >page2 2>&1
				$ cat page2
				Status: 200 Script output follows\r (esc)
				Content-Type: application/mercurial-0.1\r (esc)
				Content-Length: 102\r (esc)
				\r (esc)
				1
				adding changesets
				adding manifests
				adding file changes
				added 0 changesets with 0 changes to 1 files

				successful push, list of heads

				$ QUERY_STRING="cmd=unbundle&heads=f7b1eb17ad24730a1651fccd46c43826d1bbc2ac"; export QUERY_STRING
				$ $PYTHON hgweb.cgi <bundle.hg >page3 2>&1
				$ cat page3
				Status: 200 Script output follows\r (esc)
				Content-Type: application/mercurial-0.1\r (esc)
				Content-Length: 102\r (esc)
				\r (esc)
				1
				adding changesets
				adding manifests
				adding file changes
				added 0 changesets with 0 changes to 1 files

				successful push, SHA1 hash of heads (unbundlehash capability)

				$ QUERY_STRING="cmd=unbundle&heads=686173686564 5a785a5f9e0d433b88ed862b206b011b0c3a9d13"; export QUERY_STRING
				$ $PYTHON hgweb.cgi <bundle.hg >page4 2>&1
				$ cat page4
				Status: 200 Script output follows\r (esc)
				Content-Type: application/mercurial-0.1\r (esc)
				Content-Length: 102\r (esc)
				\r (esc)
				1
				adding changesets
				adding manifests
				adding file changes
				added 0 changesets with 0 changes to 1 files

				$ cd ..