【问题标题】:Is it possible to (re)connect hgsubversion to a manually constructed repository?是否可以(重新)将 hgsubversion 连接到手动构建的存储库?
【发布时间】:2012-03-09 03:11:12
【问题描述】:

我正在使用一个存储库,它的根在其历史上已经移动了一些(从trunk/开始,移动到子项目/trunk)。现在我可以或者使用 hgsubversion 来处理所有历史,直到它移动到子项目/主干(参见https://bitbucket.org/durin42/hgsubversion/issue/135/move-tracking),或者我可以使用 hg convert 或 rebase 将历史拼接到一个有凝聚力的存储库中。

拼接调用hg svn rebuildmeta后,hgsubversion全糊涂了。 svn 存储库中的新修订被拉入一个名为“../”的分支。

基本上,我想知道是否可以告诉 hgsubversion 使用某个 svn 版本作为其参考点,只尝试从该点开始同步历史记录?

这是一个说明问题的小测试(对不起 DOS 命令)

C:\hgtest>svnadmin create svnrepo

C:\hgtest>svn co file:///C:/hgtest/svnrepo svncheckout
Checked out revision 0.

C:\hgtest>cd svncheckout

C:\hgtest\svncheckout>mkdir trunk/
The syntax of the command is incorrect.

C:\hgtest\svncheckout>svn mkdir trunk
A         trunk

C:\hgtest\svncheckout>cd trunk

C:\hgtest\svncheckout\trunk>echo "Test file version 1" > testfile.txt

C:\hgtest\svncheckout\trunk>cd ..

C:\hgtest\svncheckout>svn add trunk\testfile.txt
A         trunk\testfile.txt

C:\hgtest\svncheckout>svn ci -m "Original version in trunk configuration"
Adding         trunk
Adding         trunk\testfile.txt
Transmitting file data .
Committed revision 1.

C:\hgtest\svncheckout>svn mkdir subproject
A         subproject

C:\hgtest\svncheckout>svn mv trunk subproject
A         subproject\trunk
D         trunk
D         trunk\testfile.txt

C:\hgtest\svncheckout>svn ci -m "Moved trunk to subproject/trunk"
Adding         subproject
Adding         subproject\trunk
Deleting       trunk

Committed revision 2.

C:\hgtest\svncheckout>echo ". Adding some text to distinguish the subproject/trunk version of this file" >> subproject\trunk\testfile.txt

C:\hgtest\svncheckout>svn ci -m "Final version of testfile.txt"
Sending        subproject\trunk\testfile.txt
Transmitting file data .
Committed revision 3.

C:\hgtest\svncheckout>svn log subproject\trunk\testfile.txt
------------------------------------------------------------------------
r3 | kmahan | 2012-02-17 09:18:23 -0800 (Fri, 17 Feb 2012) | 1 line

Final version of testfile.txt
------------------------------------------------------------------------
r2 | kmahan | 2012-02-17 09:17:40 -0800 (Fri, 17 Feb 2012) | 1 line

Moved trunk to subproject/trunk
------------------------------------------------------------------------
r1 | kmahan | 2012-02-17 09:14:46 -0800 (Fri, 17 Feb 2012) | 1 line

Original version in trunk configuration
------------------------------------------------------------------------

C:\hgtest>hg clone svn://localhost:22222/subproject/trunk hgrepo
[r2] kmahan: Moved trunk to subproject/trunk
[r3] kmahan: Final version of testfile.txt
pulled 2 revisions
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved

C:\hgtest>cd hgrepo

C:\hgtest\hgrepo>dir
 Volume in drive C is OSDisk
 Volume Serial Number is 74C7-4865

 Directory of C:\hgtest\hgrepo

02/17/2012  09:30 AM    <DIR>          .
02/17/2012  09:30 AM    <DIR>          ..
02/17/2012  09:30 AM    <DIR>          .hg
02/17/2012  09:30 AM               104 testfile.txt
               1 File(s)            104 bytes
               3 Dir(s)  1,705,932,423,168 bytes free

C:\hgtest\hgrepo>hg log --follow testfile.txt
changeset:   1:eae92a250a90
tag:         tip
user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
date:        Fri Feb 17 17:18:23 2012 +0000
summary:     Final version of testfile.txt

changeset:   0:10c6ad198001
user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
date:        Fri Feb 17 17:17:40 2012 +0000
summary:     Moved trunk to subproject/trunk


C:\hgtest>hg clone svn://localhost:22222/trunk -r 1 original-location
[r1] kmahan: Original version in trunk configuration
pulled 1 revisions
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved


C:\hgtest>cd hgrepo

C:\hgtest\hgrepo>hg pull -f ..\original-location
pulling from ..\original-location
searching for changes
warning: repository is unrelated
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)

C:\hgtest\hgrepo>hg log
changeset:   2:f968692b6301
tag:         tip
parent:      -1:000000000000
user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
date:        Fri Feb 17 17:14:46 2012 +0000
summary:     Original version in trunk configuration

changeset:   1:eae92a250a90
user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
date:        Fri Feb 17 17:18:23 2012 +0000
summary:     Final version of testfile.txt

changeset:   0:10c6ad198001
user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
date:        Fri Feb 17 17:17:40 2012 +0000
summary:     Moved trunk to subproject/trunk


C:\hgtest\hgrepo>hg rebase -s 0 -d 2
saved backup bundle to C:\hgtest\hgrepo\.hg\strip-backup\10c6ad198001-backup.hg

C:\hgtest\hgrepo>hg log
changeset:   1:ee10af28394f
tag:         tip
user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
date:        Fri Feb 17 17:18:23 2012 +0000
summary:     Final version of testfile.txt

changeset:   0:f968692b6301
user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
date:        Fri Feb 17 17:14:46 2012 +0000
summary:     Original version in trunk configuration

C:\hgtest\hgrepo>hg svn rebuildmeta

C:\hgtest\hgrepo>hg pull
pulling from svn://localhost:22222/subproject/trunk
[r2] kmahan: Moved trunk to subproject/trunk
Marked branch ../ as closed.
[r3] kmahan: Final version of testfile.txt
no changes found

C:\hgtest\hgrepo>echo "Here's some more text" >> testfile.txt

C:\hgtest\hgrepo>hg ci -m "Test commit from mercurial side"

C:\hgtest\hgrepo>hg glog
o  changeset:   5:a0e38c8fcfaf
|  branch:      ../
|  tag:         tip
|  user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
|  date:        Fri Feb 17 17:43:38 2012 +0000
|  summary:     Added new text from the svn side
|
o  changeset:   4:39fe2d8d743c
|  branch:      ../
|  parent:      0:f968692b6301
|  user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
|  date:        Fri Feb 17 17:18:23 2012 +0000
|  summary:     Final version of testfile.txt
|
| o  changeset:   3:4a494fcf85f1
|/   branch:      ../
|    parent:      0:f968692b6301
|    user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
|    date:        Fri Feb 17 17:17:40 2012 +0000
|    summary:     Moved trunk to subproject/trunk
|
| @  changeset:   2:547ed469c516
| |  user:        Kyle Mahan <kmahan@redacted.com>
| |  date:        Fri Feb 17 09:33:07 2012 -0800
| |  summary:     Test commit from mercurial side
| |
| o  changeset:   1:ee10af28394f
|/   user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
|    date:        Fri Feb 17 17:18:23 2012 +0000
|    summary:     Final version of testfile.txt
|
o  changeset:   0:f968692b6301
   user:        kmahan@b3f284a4-0405-ad4c-b974-dac5aa90a095
   date:        Fri Feb 17 17:14:46 2012 +0000
   summary:     Original version in trunk configuration

【问题讨论】:

    标签: mercurial hgsubversion


    【解决方案1】:

    是的,但这将是一个手动过程。您需要找到每个分支的高水位标记修订并将其记录在元数据文件中(目前我无法理解这些文件的名称)。到那时,事情应该基本正常了。

    注意:这是一个理论。根据我对代码的记忆,我很有信心它应该可以工作,但我从未测试过它。

    【讨论】:

    • 感谢您的建议(以及编写应用程序!)。当您说高水位线时,这是否意味着它们同步的最早时间点?
    • 有没有机会包括对这些类型的 svn move ops 的支持。这是在某些情况下非常常见的情况。就我而言,我一直在维护 Apache™ Bloodhound 的 hg 镜像,最初指向孵化器区域 svn.apache.org/repos/asf/incubator/bloodhoundProject graduated 最近在 svn.apache.org/repos/asf/bloodhound 。拉时我得到 abort: unable to work on a different path in the repository 。几乎每个新的 ASF 项目都会发生这种情况。可以做什么?
    【解决方案2】:

    基本上,我想知道是否可以告诉 hgsubversion 使用某个 svn 版本作为其参考点,只尝试从该点开始同步历史记录?

    如果我对你的理解正确,你想要克隆命令的 --startrev 选项。来自hg help subversion

    有时,过去的存储库历史很少或根本没有兴趣,并且 一个人想要的就是从今天开始,向前迈进。使用 “--startrev HEAD”导致初始克隆只转换最新的 修订;稍后的 pull 将转换所有后续修订。请 请注意,这仅适用于单目录克隆

    【讨论】:

    • 感谢您的回复。我实际上有相反的问题:我想访问 hg 中的完整历史记录,但仍然能够将新的变更集推送到 subversion 存储库。我正在了解是否有某种方法可以在根版本以外的某个版本上手动关联 svn 和 hg 存储库。
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