streamclone: define first iteration of version 2 of stream format
(This patch is based on a first draft from Gregory Szorc, with deeper rework)
Version 1 of the stream clone format was invented many years ago and suffers
from a few deficiencies:
1) Filenames are stored in store-encoded (on filesystem) form rather than in
their internal form. This makes future compatibility with new store
filename encodings more difficult.
2) File entry "headers" consist of a newline of the file name followed by the
string file size. Converting strings to integers is avoidable overhead. We
can't store filenames with newlines (manifests have this limitation as
well, so it isn't a major concern). But the big concern here is the
necessity for readline(). Scanning for newlines means reading ahead and
that means extra buffer allocations and slicing (in Python) and this makes
performance suffer.
3) Filenames aren't compressed optimally. Filenames should be compressed well
since there is a lot of repeated data. However, since they are scattered
all over the stream (with revlog data in between), they typically fall
outside the window size of the compressor and don't compress.
4) It can only exchange stored based content, being able to exchange caches
too would be nice.
5) It is limited to a stream-based protocol and isn't suitable for an on-disk
format for general repository reading because the offset of individual file
entries requires scanning the entire file to find file records.
As part of enabling streaming clones to work in bundle2, #2 proved to have a
significant negative impact on performance. Since bundle2 provides the
opportunity to start fresh, Gregory Szorc figured he would take the
opportunity to invent a new streaming clone data format.
The new format devised in this series addresses #1, #2, and #4. It punts on #3
because it was complex without yielding a significant gain and on #5 because
devising a new store format that "packs" multiple revlogs into a single
"packed revlog" is massive scope bloat. However, this v2 format might be
suitable for streaming into a "packed revlog" with minimal processing. If it
works, great. If not, we can always invent stream format when it is needed.
This patch only introduces the bases of the format. We'll get it usable through
bundle2 first, then we'll extend the format in future patches to bring it to its
full potential (especially #4).
#require serve
$ request() {
> get-with-headers.py --json localhost:$HGPORT "$1"
> }
$ hg init test
$ cd test
$ mkdir da
$ echo foo > da/foo
$ echo foo > foo
$ hg -q ci -A -m initial
$ echo bar > foo
$ hg ci -m 'modify foo'
$ echo bar > da/foo
$ hg ci -m 'modify da/foo'
$ hg bookmark bookmark1
$ hg up default
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
(leaving bookmark bookmark1)
$ hg mv foo foo-new
$ hg commit -m 'move foo'
$ hg tag -m 'create tag' tag1
$ hg phase --public -r .
$ echo baz > da/foo
$ hg commit -m 'another commit to da/foo'
$ hg tag -m 'create tag2' tag2
$ hg bookmark bookmark2
$ hg -q up -r 0
$ hg -q branch test-branch
$ echo branch > foo
$ hg commit -m 'create test branch'
$ echo branch_commit_2 > foo
$ hg commit -m 'another commit in test-branch'
$ hg -q up default
$ hg merge --tool :local test-branch
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -m 'merge test-branch into default'
$ hg log -G
@ changeset: 9:cc725e08502a
|\ tag: tip
| | parent: 6:ceed296fe500
| | parent: 8:ed66c30e87eb
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: merge test-branch into default
| |
| o changeset: 8:ed66c30e87eb
| | branch: test-branch
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: another commit in test-branch
| |
| o changeset: 7:6ab967a8ab34
| | branch: test-branch
| | parent: 0:06e557f3edf6
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: create test branch
| |
o | changeset: 6:ceed296fe500
| | bookmark: bookmark2
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: create tag2
| |
o | changeset: 5:f2890a05fea4
| | tag: tag2
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: another commit to da/foo
| |
o | changeset: 4:93a8ce14f891
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: create tag
| |
o | changeset: 3:78896eb0e102
| | tag: tag1
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: move foo
| |
o | changeset: 2:8d7c456572ac
| | bookmark: bookmark1
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: modify da/foo
| |
o | changeset: 1:f8bbb9024b10
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: modify foo
|
o changeset: 0:06e557f3edf6
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
$ echo '[web]' >> .hg/hgrc
$ echo 'allow_archive = bz2' >> .hg/hgrc
$ hg serve -p $HGPORT -d --pid-file=hg.pid -A access.log -E error.log
$ cat hg.pid >> $DAEMON_PIDS
(Try to keep these in roughly the order they are defined in webcommands.py)
(log is handled by filelog/ and changelog/ - ignore it)
(rawfile/ doesn't use templating - nothing to test)
file/{revision}/{path} shows file revision
$ request json-file/78896eb0e102/foo-new
200 Script output follows
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "move foo",
"lines": [
{
"line": "bar\n"
}
],
"node": "78896eb0e102174ce9278438a95e12543e4367a7",
"parents": [
"f8bbb9024b10f93cdbb8d940337398291d40dea8"
],
"path": "foo-new",
"phase": "public",
"tags": [
"tag1"
],
"user": "test"
}
file/{revision} shows root directory info
$ request json-file/cc725e08502a
200 Script output follows
{
"abspath": "/",
"bookmarks": [],
"directories": [
{
"abspath": "/da",
"basename": "da",
"emptydirs": ""
}
],
"files": [
{
"abspath": ".hgtags",
"basename": ".hgtags",
"date": [
0.0,
0
],
"flags": "",
"size": 92
},
{
"abspath": "foo-new",
"basename": "foo-new",
"date": [
0.0,
0
],
"flags": "",
"size": 4
}
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"tags": [
"tip"
]
}
changelog/ shows information about several changesets
$ request json-changelog
200 Script output follows
{
"changeset_count": 10,
"changesets": [
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "merge test-branch into default",
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"parents": [
"ceed296fe500c3fac9541e31dad860cb49c89e45",
"ed66c30e87eb65337c05a4229efaa5f1d5285a90"
],
"phase": "draft",
"tags": [
"tip"
],
"user": "test"
},
{
"bookmarks": [],
"branch": "test-branch",
"date": [
0.0,
0
],
"desc": "another commit in test-branch",
"node": "ed66c30e87eb65337c05a4229efaa5f1d5285a90",
"parents": [
"6ab967a8ab3489227a83f80e920faa039a71819f"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "test-branch",
"date": [
0.0,
0
],
"desc": "create test branch",
"node": "6ab967a8ab3489227a83f80e920faa039a71819f",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [
"bookmark2"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "create tag2",
"node": "ceed296fe500c3fac9541e31dad860cb49c89e45",
"parents": [
"f2890a05fea49bfaf9fb27ed5490894eba32da78"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "another commit to da/foo",
"node": "f2890a05fea49bfaf9fb27ed5490894eba32da78",
"parents": [
"93a8ce14f89156426b7fa981af8042da53f03aa0"
],
"phase": "draft",
"tags": [
"tag2"
],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "create tag",
"node": "93a8ce14f89156426b7fa981af8042da53f03aa0",
"parents": [
"78896eb0e102174ce9278438a95e12543e4367a7"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "move foo",
"node": "78896eb0e102174ce9278438a95e12543e4367a7",
"parents": [
"8d7c456572acf3557e8ed8a07286b10c408bcec5"
],
"phase": "public",
"tags": [
"tag1"
],
"user": "test"
},
{
"bookmarks": [
"bookmark1"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify da/foo",
"node": "8d7c456572acf3557e8ed8a07286b10c408bcec5",
"parents": [
"f8bbb9024b10f93cdbb8d940337398291d40dea8"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify foo",
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "initial",
"node": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"parents": [],
"phase": "public",
"tags": [],
"user": "test"
}
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7"
}
changelog/{revision} shows information starting at a specific changeset
$ request json-changelog/f8bbb9024b10
200 Script output follows
{
"changeset_count": 10,
"changesets": [
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify foo",
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "initial",
"node": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"parents": [],
"phase": "public",
"tags": [],
"user": "test"
}
],
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8"
}
shortlog/ shows information about a set of changesets
$ request json-shortlog
200 Script output follows
{
"changeset_count": 10,
"changesets": [
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "merge test-branch into default",
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"parents": [
"ceed296fe500c3fac9541e31dad860cb49c89e45",
"ed66c30e87eb65337c05a4229efaa5f1d5285a90"
],
"phase": "draft",
"tags": [
"tip"
],
"user": "test"
},
{
"bookmarks": [],
"branch": "test-branch",
"date": [
0.0,
0
],
"desc": "another commit in test-branch",
"node": "ed66c30e87eb65337c05a4229efaa5f1d5285a90",
"parents": [
"6ab967a8ab3489227a83f80e920faa039a71819f"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "test-branch",
"date": [
0.0,
0
],
"desc": "create test branch",
"node": "6ab967a8ab3489227a83f80e920faa039a71819f",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [
"bookmark2"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "create tag2",
"node": "ceed296fe500c3fac9541e31dad860cb49c89e45",
"parents": [
"f2890a05fea49bfaf9fb27ed5490894eba32da78"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "another commit to da/foo",
"node": "f2890a05fea49bfaf9fb27ed5490894eba32da78",
"parents": [
"93a8ce14f89156426b7fa981af8042da53f03aa0"
],
"phase": "draft",
"tags": [
"tag2"
],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "create tag",
"node": "93a8ce14f89156426b7fa981af8042da53f03aa0",
"parents": [
"78896eb0e102174ce9278438a95e12543e4367a7"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "move foo",
"node": "78896eb0e102174ce9278438a95e12543e4367a7",
"parents": [
"8d7c456572acf3557e8ed8a07286b10c408bcec5"
],
"phase": "public",
"tags": [
"tag1"
],
"user": "test"
},
{
"bookmarks": [
"bookmark1"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify da/foo",
"node": "8d7c456572acf3557e8ed8a07286b10c408bcec5",
"parents": [
"f8bbb9024b10f93cdbb8d940337398291d40dea8"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify foo",
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "initial",
"node": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"parents": [],
"phase": "public",
"tags": [],
"user": "test"
}
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7"
}
changeset/ renders the tip changeset
$ request json-rev
200 Script output follows
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "merge test-branch into default",
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"parents": [
"ceed296fe500c3fac9541e31dad860cb49c89e45",
"ed66c30e87eb65337c05a4229efaa5f1d5285a90"
],
"phase": "draft",
"tags": [
"tip"
],
"user": "test"
}
changeset/{revision} shows tags
$ request json-rev/78896eb0e102
200 Script output follows
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "move foo",
"node": "78896eb0e102174ce9278438a95e12543e4367a7",
"parents": [
"8d7c456572acf3557e8ed8a07286b10c408bcec5"
],
"phase": "public",
"tags": [
"tag1"
],
"user": "test"
}
changeset/{revision} shows bookmarks
$ request json-rev/8d7c456572ac
200 Script output follows
{
"bookmarks": [
"bookmark1"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify da/foo",
"node": "8d7c456572acf3557e8ed8a07286b10c408bcec5",
"parents": [
"f8bbb9024b10f93cdbb8d940337398291d40dea8"
],
"phase": "public",
"tags": [],
"user": "test"
}
changeset/{revision} shows branches
$ request json-rev/6ab967a8ab34
200 Script output follows
{
"bookmarks": [],
"branch": "test-branch",
"date": [
0.0,
0
],
"desc": "create test branch",
"node": "6ab967a8ab3489227a83f80e920faa039a71819f",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "draft",
"tags": [],
"user": "test"
}
manifest/{revision}/{path} shows info about a directory at a revision
$ request json-manifest/06e557f3edf6/
200 Script output follows
{
"abspath": "/",
"bookmarks": [],
"directories": [
{
"abspath": "/da",
"basename": "da",
"emptydirs": ""
}
],
"files": [
{
"abspath": "foo",
"basename": "foo",
"date": [
0.0,
0
],
"flags": "",
"size": 4
}
],
"node": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"tags": []
}
tags/ shows tags info
$ request json-tags
200 Script output follows
{
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"tags": [
{
"date": [
0.0,
0
],
"node": "f2890a05fea49bfaf9fb27ed5490894eba32da78",
"tag": "tag2"
},
{
"date": [
0.0,
0
],
"node": "78896eb0e102174ce9278438a95e12543e4367a7",
"tag": "tag1"
}
]
}
bookmarks/ shows bookmarks info
$ request json-bookmarks
200 Script output follows
{
"bookmarks": [
{
"bookmark": "bookmark2",
"date": [
0.0,
0
],
"node": "ceed296fe500c3fac9541e31dad860cb49c89e45"
},
{
"bookmark": "bookmark1",
"date": [
0.0,
0
],
"node": "8d7c456572acf3557e8ed8a07286b10c408bcec5"
}
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7"
}
branches/ shows branches info
$ request json-branches
200 Script output follows
{
"branches": [
{
"branch": "default",
"date": [
0.0,
0
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"status": "open"
},
{
"branch": "test-branch",
"date": [
0.0,
0
],
"node": "ed66c30e87eb65337c05a4229efaa5f1d5285a90",
"status": "inactive"
}
]
}
summary/ shows a summary of repository state
$ request json-summary
200 Script output follows
{
"archives": [
{
"extension": ".tar.bz2",
"node": "tip",
"type": "bz2",
"url": "http://*:$HGPORT/archive/tip.tar.bz2" (glob)
}
],
"bookmarks": [
{
"bookmark": "bookmark2",
"date": [
0.0,
0
],
"node": "ceed296fe500c3fac9541e31dad860cb49c89e45"
},
{
"bookmark": "bookmark1",
"date": [
0.0,
0
],
"node": "8d7c456572acf3557e8ed8a07286b10c408bcec5"
}
],
"branches": [
{
"branch": "default",
"date": [
0.0,
0
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"status": "open"
},
{
"branch": "test-branch",
"date": [
0.0,
0
],
"node": "ed66c30e87eb65337c05a4229efaa5f1d5285a90",
"status": "inactive"
}
],
"labels": [],
"lastchange": [
0.0,
0
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"shortlog": [
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "merge test-branch into default",
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"parents": [
"ceed296fe500c3fac9541e31dad860cb49c89e45",
"ed66c30e87eb65337c05a4229efaa5f1d5285a90"
],
"phase": "draft",
"tags": [
"tip"
],
"user": "test"
},
{
"bookmarks": [],
"branch": "test-branch",
"date": [
0.0,
0
],
"desc": "another commit in test-branch",
"node": "ed66c30e87eb65337c05a4229efaa5f1d5285a90",
"parents": [
"6ab967a8ab3489227a83f80e920faa039a71819f"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "test-branch",
"date": [
0.0,
0
],
"desc": "create test branch",
"node": "6ab967a8ab3489227a83f80e920faa039a71819f",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [
"bookmark2"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "create tag2",
"node": "ceed296fe500c3fac9541e31dad860cb49c89e45",
"parents": [
"f2890a05fea49bfaf9fb27ed5490894eba32da78"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "another commit to da/foo",
"node": "f2890a05fea49bfaf9fb27ed5490894eba32da78",
"parents": [
"93a8ce14f89156426b7fa981af8042da53f03aa0"
],
"phase": "draft",
"tags": [
"tag2"
],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "create tag",
"node": "93a8ce14f89156426b7fa981af8042da53f03aa0",
"parents": [
"78896eb0e102174ce9278438a95e12543e4367a7"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "move foo",
"node": "78896eb0e102174ce9278438a95e12543e4367a7",
"parents": [
"8d7c456572acf3557e8ed8a07286b10c408bcec5"
],
"phase": "public",
"tags": [
"tag1"
],
"user": "test"
},
{
"bookmarks": [
"bookmark1"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify da/foo",
"node": "8d7c456572acf3557e8ed8a07286b10c408bcec5",
"parents": [
"f8bbb9024b10f93cdbb8d940337398291d40dea8"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify foo",
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "initial",
"node": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"parents": [],
"phase": "public",
"tags": [],
"user": "test"
}
],
"tags": [
{
"date": [
0.0,
0
],
"node": "f2890a05fea49bfaf9fb27ed5490894eba32da78",
"tag": "tag2"
},
{
"date": [
0.0,
0
],
"node": "78896eb0e102174ce9278438a95e12543e4367a7",
"tag": "tag1"
}
]
}
$ request json-changelog?rev=create
200 Script output follows
{
"entries": [
{
"bookmarks": [],
"branch": "test-branch",
"date": [
0.0,
0
],
"desc": "create test branch",
"node": "6ab967a8ab3489227a83f80e920faa039a71819f",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [
"bookmark2"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "create tag2",
"node": "ceed296fe500c3fac9541e31dad860cb49c89e45",
"parents": [
"f2890a05fea49bfaf9fb27ed5490894eba32da78"
],
"phase": "draft",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "create tag",
"node": "93a8ce14f89156426b7fa981af8042da53f03aa0",
"parents": [
"78896eb0e102174ce9278438a95e12543e4367a7"
],
"phase": "public",
"tags": [],
"user": "test"
}
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"query": "create"
}
filediff/{revision}/{path} shows changes to a file in a revision
$ request json-diff/f8bbb9024b10/foo
200 Script output follows
{
"author": "test",
"children": [],
"date": [
0.0,
0
],
"desc": "modify foo",
"diff": [
{
"blockno": 1,
"lines": [
{
"l": "--- a/foo\tThu Jan 01 00:00:00 1970 +0000\n",
"n": 1,
"t": "-"
},
{
"l": "+++ b/foo\tThu Jan 01 00:00:00 1970 +0000\n",
"n": 2,
"t": "+"
},
{
"l": "@@ -1,1 +1,1 @@\n",
"n": 3,
"t": "@"
},
{
"l": "-foo\n",
"n": 4,
"t": "-"
},
{
"l": "+bar\n",
"n": 5,
"t": "+"
}
]
}
],
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"path": "foo"
}
comparison/{revision}/{path} shows information about before and after for a file
$ request json-comparison/f8bbb9024b10/foo
200 Script output follows
{
"author": "test",
"children": [],
"comparison": [
{
"lines": [
{
"ll": "foo",
"ln": 1,
"rl": "bar",
"rn": 1,
"t": "replace"
}
]
}
],
"date": [
0.0,
0
],
"desc": "modify foo",
"leftnode": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"path": "foo",
"rightnode": "f8bbb9024b10f93cdbb8d940337398291d40dea8"
}
annotate/{revision}/{path} shows annotations for each line
$ request json-annotate/f8bbb9024b10/foo
200 Script output follows
{
"abspath": "foo",
"annotate": [
{
"abspath": "foo",
"author": "test",
"desc": "modify foo",
"line": "bar\n",
"lineno": 1,
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"revdate": [
0.0,
0
],
"targetline": 1
}
],
"author": "test",
"children": [],
"date": [
0.0,
0
],
"desc": "modify foo",
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"permissions": ""
}
filelog/{revision}/{path} shows history of a single file
$ request json-filelog/f8bbb9024b10/foo
200 Script output follows
{
"entries": [
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify foo",
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "initial",
"node": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"parents": [],
"phase": "public",
"tags": [],
"user": "test"
}
]
}
$ request json-filelog/cc725e08502a/da/foo
200 Script output follows
{
"entries": [
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "another commit to da/foo",
"node": "f2890a05fea49bfaf9fb27ed5490894eba32da78",
"parents": [
"8d7c456572acf3557e8ed8a07286b10c408bcec5"
],
"phase": "draft",
"tags": [
"tag2"
],
"user": "test"
},
{
"bookmarks": [
"bookmark1"
],
"branch": "default",
"date": [
0.0,
0
],
"desc": "modify da/foo",
"node": "8d7c456572acf3557e8ed8a07286b10c408bcec5",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "public",
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"date": [
0.0,
0
],
"desc": "initial",
"node": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"parents": [],
"phase": "public",
"tags": [],
"user": "test"
}
]
}
(archive/ doesn't use templating, so ignore it)
(static/ doesn't use templating, so ignore it)
graph/ shows information that can be used to render a graph of the DAG
$ request json-graph
200 Script output follows
{
"changeset_count": 10,
"changesets": [
{
"bookmarks": [],
"branch": "default",
"col": 0,
"color": 1,
"date": [
0.0,
0
],
"desc": "merge test-branch into default",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 1,
"width": -1
}
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7",
"parents": [
"ceed296fe500c3fac9541e31dad860cb49c89e45",
"ed66c30e87eb65337c05a4229efaa5f1d5285a90"
],
"phase": "draft",
"row": 0,
"tags": [
"tip"
],
"user": "test"
},
{
"bookmarks": [],
"branch": "test-branch",
"col": 1,
"color": 2,
"date": [
0.0,
0
],
"desc": "another commit in test-branch",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 1,
"color": 2,
"nextcol": 1,
"width": -1
}
],
"node": "ed66c30e87eb65337c05a4229efaa5f1d5285a90",
"parents": [
"6ab967a8ab3489227a83f80e920faa039a71819f"
],
"phase": "draft",
"row": 1,
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "test-branch",
"col": 1,
"color": 2,
"date": [
0.0,
0
],
"desc": "create test branch",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 1,
"color": 2,
"nextcol": 1,
"width": -1
}
],
"node": "6ab967a8ab3489227a83f80e920faa039a71819f",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "draft",
"row": 2,
"tags": [],
"user": "test"
},
{
"bookmarks": [
"bookmark2"
],
"branch": "default",
"col": 0,
"color": 1,
"date": [
0.0,
0
],
"desc": "create tag2",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 1,
"color": 2,
"nextcol": 1,
"width": -1
}
],
"node": "ceed296fe500c3fac9541e31dad860cb49c89e45",
"parents": [
"f2890a05fea49bfaf9fb27ed5490894eba32da78"
],
"phase": "draft",
"row": 3,
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"col": 0,
"color": 1,
"date": [
0.0,
0
],
"desc": "another commit to da/foo",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 1,
"color": 2,
"nextcol": 1,
"width": -1
}
],
"node": "f2890a05fea49bfaf9fb27ed5490894eba32da78",
"parents": [
"93a8ce14f89156426b7fa981af8042da53f03aa0"
],
"phase": "draft",
"row": 4,
"tags": [
"tag2"
],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"col": 0,
"color": 1,
"date": [
0.0,
0
],
"desc": "create tag",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 1,
"color": 2,
"nextcol": 1,
"width": -1
}
],
"node": "93a8ce14f89156426b7fa981af8042da53f03aa0",
"parents": [
"78896eb0e102174ce9278438a95e12543e4367a7"
],
"phase": "public",
"row": 5,
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"col": 0,
"color": 1,
"date": [
0.0,
0
],
"desc": "move foo",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 1,
"color": 2,
"nextcol": 1,
"width": -1
}
],
"node": "78896eb0e102174ce9278438a95e12543e4367a7",
"parents": [
"8d7c456572acf3557e8ed8a07286b10c408bcec5"
],
"phase": "public",
"row": 6,
"tags": [
"tag1"
],
"user": "test"
},
{
"bookmarks": [
"bookmark1"
],
"branch": "default",
"col": 0,
"color": 1,
"date": [
0.0,
0
],
"desc": "modify da/foo",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 1,
"color": 2,
"nextcol": 1,
"width": -1
}
],
"node": "8d7c456572acf3557e8ed8a07286b10c408bcec5",
"parents": [
"f8bbb9024b10f93cdbb8d940337398291d40dea8"
],
"phase": "public",
"row": 7,
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"col": 0,
"color": 1,
"date": [
0.0,
0
],
"desc": "modify foo",
"edges": [
{
"bcolor": "",
"col": 0,
"color": 1,
"nextcol": 0,
"width": -1
},
{
"bcolor": "",
"col": 1,
"color": 2,
"nextcol": 0,
"width": -1
}
],
"node": "f8bbb9024b10f93cdbb8d940337398291d40dea8",
"parents": [
"06e557f3edf66faa1ccaba5dd8c203c21cc79f1e"
],
"phase": "public",
"row": 8,
"tags": [],
"user": "test"
},
{
"bookmarks": [],
"branch": "default",
"col": 0,
"color": 2,
"date": [
0.0,
0
],
"desc": "initial",
"edges": [],
"node": "06e557f3edf66faa1ccaba5dd8c203c21cc79f1e",
"parents": [],
"phase": "public",
"row": 9,
"tags": [],
"user": "test"
}
],
"node": "cc725e08502a79dd1eda913760fbe06ed7a9abc7"
}
help/ shows help topics
$ request json-help
200 Script output follows
{
"earlycommands": [
{
"summary": "add the specified files on the next commit",
"topic": "add"
},
{
"summary": "show changeset information by line for each file",
"topic": "annotate"
},
{
"summary": "make a copy of an existing repository",
"topic": "clone"
},
{
"summary": "commit the specified files or all outstanding changes",
"topic": "commit"
},
{
"summary": "diff repository (or selected files)",
"topic": "diff"
},
{
"summary": "dump the header and diffs for one or more changesets",
"topic": "export"
},
{
"summary": "forget the specified files on the next commit",
"topic": "forget"
},
{
"summary": "create a new repository in the given directory",
"topic": "init"
},
{
"summary": "show revision history of entire repository or files",
"topic": "log"
},
{
"summary": "merge another revision into working directory",
"topic": "merge"
},
{
"summary": "pull changes from the specified source",
"topic": "pull"
},
{
"summary": "push changes to the specified destination",
"topic": "push"
},
{
"summary": "remove the specified files on the next commit",
"topic": "remove"
},
{
"summary": "start stand-alone webserver",
"topic": "serve"
},
{
"summary": "show changed files in the working directory",
"topic": "status"
},
{
"summary": "summarize working directory state",
"topic": "summary"
},
{
"summary": "update working directory (or switch revisions)",
"topic": "update"
}
],
"othercommands": [
{
"summary": "add all new files, delete all missing files",
"topic": "addremove"
},
{
"summary": "create an unversioned archive of a repository revision",
"topic": "archive"
},
{
"summary": "reverse effect of earlier changeset",
"topic": "backout"
},
{
"summary": "subdivision search of changesets",
"topic": "bisect"
},
{
"summary": "create a new bookmark or list existing bookmarks",
"topic": "bookmarks"
},
{
"summary": "set or show the current branch name",
"topic": "branch"
},
{
"summary": "list repository named branches",
"topic": "branches"
},
{
"summary": "create a bundle file",
"topic": "bundle"
},
{
"summary": "output the current or given revision of files",
"topic": "cat"
},
{
"summary": "show combined config settings from all hgrc files",
"topic": "config"
},
{
"summary": "mark files as copied for the next commit",
"topic": "copy"
},
{
"summary": "list tracked files",
"topic": "files"
},
{
"summary": "copy changes from other branches onto the current branch",
"topic": "graft"
},
{
"summary": "search revision history for a pattern in specified files",
"topic": "grep"
},
{
"summary": "show branch heads",
"topic": "heads"
},
{
"summary": "show help for a given topic or a help overview",
"topic": "help"
},
{
"summary": "identify the working directory or specified revision",
"topic": "identify"
},
{
"summary": "import an ordered set of patches",
"topic": "import"
},
{
"summary": "show new changesets found in source",
"topic": "incoming"
},
{
"summary": "output the current or given revision of the project manifest",
"topic": "manifest"
},
{
"summary": "show changesets not found in the destination",
"topic": "outgoing"
},
{
"summary": "show aliases for remote repositories",
"topic": "paths"
},
{
"summary": "set or show the current phase name",
"topic": "phase"
},
{
"summary": "roll back an interrupted transaction",
"topic": "recover"
},
{
"summary": "rename files; equivalent of copy + remove",
"topic": "rename"
},
{
"summary": "redo merges or set/view the merge status of files",
"topic": "resolve"
},
{
"summary": "restore files to their checkout state",
"topic": "revert"
},
{
"summary": "print the root (top) of the current working directory",
"topic": "root"
},
{
"summary": "add one or more tags for the current or given revision",
"topic": "tag"
},
{
"summary": "list repository tags",
"topic": "tags"
},
{
"summary": "apply one or more bundle files",
"topic": "unbundle"
},
{
"summary": "verify the integrity of the repository",
"topic": "verify"
},
{
"summary": "output version and copyright information",
"topic": "version"
}
],
"topics": [
{
"summary": "Bundle File Formats",
"topic": "bundlespec"
},
{
"summary": "Colorizing Outputs",
"topic": "color"
},
{
"summary": "Configuration Files",
"topic": "config"
},
{
"summary": "Date Formats",
"topic": "dates"
},
{
"summary": "Diff Formats",
"topic": "diffs"
},
{
"summary": "Environment Variables",
"topic": "environment"
},
{
"summary": "Using Additional Features",
"topic": "extensions"
},
{
"summary": "Specifying File Sets",
"topic": "filesets"
},
{
"summary": "Command-line flags",
"topic": "flags"
},
{
"summary": "Glossary",
"topic": "glossary"
},
{
"summary": "Syntax for Mercurial Ignore Files",
"topic": "hgignore"
},
{
"summary": "Configuring hgweb",
"topic": "hgweb"
},
{
"summary": "Technical implementation topics",
"topic": "internals"
},
{
"summary": "Merge Tools",
"topic": "merge-tools"
},
{
"summary": "Pager Support",
"topic": "pager"
},
{
"summary": "File Name Patterns",
"topic": "patterns"
},
{
"summary": "Working with Phases",
"topic": "phases"
},
{
"summary": "Specifying Revisions",
"topic": "revisions"
},
{
"summary": "Using Mercurial from scripts and automation",
"topic": "scripting"
},
{
"summary": "Subrepositories",
"topic": "subrepos"
},
{
"summary": "Template Usage",
"topic": "templating"
},
{
"summary": "URL Paths",
"topic": "urls"
}
]
}
help/{topic} shows an individual help topic
$ request json-help/phases
200 Script output follows
{
"rawdoc": "Working with Phases\n*", (glob)
"topic": "phases"
}
Commit message with Japanese Kanji 'Noh', which ends with '\x5c'
$ echo foo >> da/foo
$ HGENCODING=cp932 hg ci -m `$PYTHON -c 'print("\x94\x5c")'`
Commit message with null character
$ echo foo >> da/foo
>>> open('msg', 'wb').write('commit with null character: \0\n')
$ hg ci -l msg
$ rm msg
Stop and restart with HGENCODING=cp932
$ killdaemons.py
$ HGENCODING=cp932 hg serve -p $HGPORT -d --pid-file=hg.pid \
> -A access.log -E error.log
$ cat hg.pid >> $DAEMON_PIDS
Test json escape of multibyte characters
$ request json-filelog/tip/da/foo?revcount=2 | grep '"desc":'
"desc": "commit with null character: \u0000",
"desc": "\u80fd",