问题
In doing this: git svn dcommit committing wrong file?, now I have one - the latest - revision on the SVN server-side repository wrong; I'd like to delete it. I am aware I could do svnadmin dump/filter/load as per How do I fix a repository with one broken revision?, but I hoped there was an easier solution.
So I tried this test:
cd /tmp
svnadmin create newRepo
svn co file:///tmp/newRepo newRepo-checkout
# Checked out revision 0.
cd newRepo-checkout/
echo aaa > AA.txt
svn add AA.txt
# A AA.txt
svn ci -m 'first commit'
# Adding AA.txt
# Transmitting file data .
# Committed revision 1.
echo bbb > BB.txt
svn ci -m '2ns commit'
svn add BB.txt
# A BB.txt
svn ci -m '2nd commit'
# Adding BB.txt
# Transmitting file data .
# Committed revision 2.
echo ccc > CC.txt
svn add CC.txt
# A CC.txt
svn ci -m '3rd commit'
# Adding CC.txt
# Transmitting file data .
# Committed revision 3.
Now, if I just delete the corresponding files to the latest revision (3) in db/revs and db/revprops, I get this:
$ cd ../newRepo
$ svnadmin verify .
* Verified revision 0.
* Verified revision 1.
* Verified revision 2.
* Verified revision 3.
$ ls db/revprops/0/
0 1 2 3
$ ls db/revs/0/
0 1 2 3
$ rm db/revs/0/3
$ rm db/revprops/0/3
$ svnadmin verify .
* Verified revision 0.
* Verified revision 1.
* Verified revision 2.
svnadmin: No such revision 3
After some grepping it turns out there are files ./db/txn-current and ./db/current with content '3', so I try to change that:
$ echo 2 > ./db/current
$ echo 2 > ./db/txn-current
$ svnadmin verify .
* Verified revision 0.
* Verified revision 1.
* Verified revision 2.
... and also svn co file:///tmp/newRepo newRepo-checkout2 seems to work as well.
So my question is - is this reasonably safe, or is there more to it regarding the storage of a revision in SVN server?
回答1:
No. Manually editing the repository database files is never "reasonably safe". It is much safer, and probably in the end much easier, just to do the dump/filter/load using svn tools.
来源：https://stackoverflow.com/questions/29043797/manually-deleting-only-the-latest-revision-from-online-svn-repository