如何在CVS中还原已删除的文件?

时间:2020-03-06 14:50:02  来源:igfitidea点击:

我已经从CVS分支中删除了一个签入文件,即:

cvs remove -f file.txt
cvs commit

如何还原文件?

解决方案

我相信:

cvs add file.txt
cvs commit file.txt

...将从阁楼上复活。

我发现我们不能使用cvs add来撤消已经执行的cvs remove操作。所以这有效:

$ cvs remove -f file.txt
$ cvs add file.txt

但这不起作用:

$ cvs remove -f file.txt
$ cvs commit
$ cvs add file.txt

到目前为止,我发现的最简单的方法是运行cvs status file.txt来查找版本号。然后获取修订的内容并将其添加回:

$ cvs update -p -r rev file.txt > file.txt
$ cvs add file.txt
$ cvs commit

鉴于哈利缺乏成功,以下是我为证明上述答案有效所做的成绩单(就其长度,我们先表示歉意):

C:\foo>dir
 Volume in drive C is Local Disk
 Volume Serial Number is 344F-1517

 Directory of C:\foo

28/09/2008  05:12 PM    <DIR>          .
28/09/2008  05:12 PM    <DIR>          ..
28/09/2008  05:12 PM    <DIR>          CVS
28/09/2008  05:11 PM                19 file.txt
               1 File(s)             19 bytes
               3 Dir(s)  22,686,416,896 bytes free

C:\foo>cvs status file.txt
===================================================================
File: file.txt          Status: Up-to-date

   Working revision:    1.2     Sun Sep 28 07:11:58 2008
   Repository revision: 1.2     C:\jason\CVSROOT/foo/file.txt,v
   Sticky Tag:          (none)
   Sticky Date:         (none)
   Sticky Options:      (none)

C:\foo>cvs rm -f file.txt
cvs remove: scheduling `file.txt' for removal
cvs remove: use 'cvs commit' to remove this file permanently

C:\foo>cvs commit -m "" file.txt
Removing file.txt;
C:\jason\CVSROOT/foo/file.txt,v  <--  file.txt
new revision: delete; previous revision: 1.2
done

C:\foo>cvs status file.txt
===================================================================
File: no file file.txt          Status: Up-to-date

   Working revision:    No entry for file.txt
   Repository revision: 1.3     C:\jason\CVSROOT/foo/Attic/file.txt,v

C:\foo>more file.txt
Cannot access file C:\foo\file.txt

C:\foo>dir
 Volume in drive C is Local Disk
 Volume Serial Number is 344F-1517

 Directory of C:\foo

28/09/2008  05:12 PM    <DIR>          .
28/09/2008  05:12 PM    <DIR>          ..
28/09/2008  05:12 PM    <DIR>          CVS
               0 File(s)              0 bytes
               3 Dir(s)  22,686,400,512 bytes free

C:\foo>cvs add file.txt
cvs add: Resurrecting file `file.txt' from revision 1.2.
U file.txt
cvs add: Re-adding file `file.txt' (in place of dead revision 1.3).
cvs add: use 'cvs commit' to add this file permanently

C:\foo>cvs commit -m "" file.txt
Checking in file.txt;
C:\jason\CVSROOT/foo/file.txt,v  <--  file.txt
new revision: 1.4; previous revision: 1.3
done

C:\foo>more file.txt
This is a test...

C:\jason\work\dev1\nrta\foo>dir
 Volume in drive C is Local Disk
 Volume Serial Number is 344F-1517

 Directory of C:\jason\foo

28/09/2008  05:15 PM    <DIR>          .
28/09/2008  05:15 PM    <DIR>          ..
28/09/2008  05:13 PM    <DIR>          CVS
28/09/2008  05:13 PM                19 file.txt
               1 File(s)             19 bytes
               3 Dir(s)  22,686,375,936 bytes free

显然,他在做正确的事情,但是他观察到的行为却有所不同。可能是由于CVS版本不同(我在Windows上使用的是1.11.22)。

cvs add对我不起作用,因为服务器上的cvs版本太旧了。我已经确认它可以在CVS 1.11.22版本中正常工作。

这是我的工作。我只是创建一个同名的空文件,然后添加并提交,然后检索较旧的版本并重新提交。