Mercurial > hgsubversion
annotate tools/common.sh @ 890:78db88de9622
Partial metadata rebuilding
For highly active subversion repositories, it can be excruciatingly
slow to pull updates one at a time from subversion. One way around
this is to setup another mercurial repo that pulls new commits from
svn periodicly (say every 5 minutes). When you want to update your
repository, you can pull commits from this mercurial repository via
native mercurial protocols, which will be much faster than pulling
directly from svn.
Unfortunately, your metadata will be out of date after doing so.
Highly active repositories also tend to be very large, which means
that it takes a long time to rebuild your metadata from scratch. To
address this, this adds support to do a partial rebuild on the
metadata by processing only revisions that have been added to the
repository after the last revision we processed.
With the rev map 1k revisions (~2 days) behind tip updatemeta is
dramatically faster than rebuild meta:
$ hg --time svn updatemeta
Time: real 0.570 secs (user 0.480+0.000 sys 0.060+0.000)
$ hg --time svn rebuildmeta
Time: real 129.160 secs (user 128.570+0.000 sys 0.320+0.000)
author | David Schleimer <dschleimer@fb.com> |
---|---|
date | Sat, 12 May 2012 07:28:23 -0700 |
parents | 5071b8511572 |
children |
rev | line source |
---|---|
213
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
1 function verify_current_revision() |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
2 { |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
3 /bin/rm -rf * |
388
5071b8511572
tools: Fixes for verification that seemed to be needed.
Augie Fackler <durin42@gmail.com>
parents:
259
diff
changeset
|
4 exportcmd="svn export `hg svn info 2> /dev/null | grep '^URL: ' | sed 's/URL: //'`@`hg svn info | grep ^Revision | sed 's/.*: //;s/ .*//'` . --force" |
213
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
5 `echo $exportcmd` > /dev/null |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
6 x=$? |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
7 if [[ "$x" != "0" ]] ; then |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
8 echo $exportcmd |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
9 echo 'export failed!' |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
10 return 255 |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
11 fi |
216
3c87de482011
tools: fixes for wc outputting with spaces.
Augie Fackler <durin42@gmail.com>
parents:
213
diff
changeset
|
12 if [[ "`hg st | wc -l | python -c 'import sys; print sys.stdin.read().strip()'`" == "0" ]] ; then |
213
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
13 return 0 |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
14 else |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
15 if [[ $1 != "keep" ]] ; then |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
16 revert_all_files |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
17 fi |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
18 return 1 |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
19 fi |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
20 } |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
21 |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
22 function revert_all_files() |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
23 { |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
24 hg revert --all |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
25 hg purge |
b1d2ea765516
tools: refactor stuff into common.sh, make verify-all-heads not revert.
Augie Fackler <durin42@gmail.com>
parents:
diff
changeset
|
26 } |