gitolite/doc/1-migrate.mkd
Sitaram Chamarty d78bbe8c3e lots of doc changes reflecting "push to admin" is default now :)
- added comments to easy install to help do it manually
  - README: some stuff moved to tips doc, brief summary of extras
    (over gitosis) added
  - INSTALL: major revamp, easy install and manual install,
    much shorter and much more readable!

plus other docs changed as needed, and updated the tips doc to roll in
some details from "update.mkd" in the "ml" branch
2009-10-11 14:19:00 +05:30

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3.1 KiB
Markdown

# migrating from gitosis to gitolite
[TODO: make the migration tool fix up gitweb and daemon control also...]
Migrating from gitosis to gitolite is pretty easy, because the basic design is
the same.
Here's how we migrated my work repos:
1. login as the `git` user on the server, and get a bash shell prompt
2. **disable gitosis** by renaming `/usr/bin/gitosis-serve` to something
else. This will prevent users from pushing anything while you do the
backup, migration, etc.
3. **edit** `~/.ssh/authorized_keys` and **carefully** remove all the lines
containing "gitosis-serve", as well as the marker line that says
"auto-generated by gitosis, DO NOT REMOVE", then save the file. If the
file did not have any other keys and is now empty, don't worry -- save it
anyway because gitolite expects the file to be present (even if it is
empty).
4. For added safety, **delete** the post-update hook that gitosis-admin
installed
rm ~/repositories/gitosis-admin.git/hooks/post-update
or at least rename it to `.sample` like all the other hooks hanging
around, or edit it and comment out the line that calls `gitosis-run-hook
post-update`.
If you do not do this, an accidental push to the gitosis-admin repo will
mess up your `~/.ssh/authorized_keys` file
5. take a **backup** of the `~/repositories` directory
Now, log off the server and get back to the client:
1. follow instructions to install gitolite; see install document. Make sure
that you **don't** change the default path for `$REPO_BASE`!
2. **convert** your gitosis config file. Substitute the path for your
gitosis-admin clone in `$GSAC` below, and similarly the path for your
gito**lite**-admin clone in `$GLAC`
src/conf-convert.pl < $GSAC/gitosis.conf > $GLAC/gitolite.conf
Be sure to check the file to make sure it converted correctly
3. **copy** the keys from gitosis's keydir (same meanings for GSAC and GLAC)
cp $GSAC/keydir/* $GLAC/keydir
4. **Important: expand any multi-key files you may have**. See the "faq,
tips, etc" document in the doc directory for an explanation of what
multi-keys are, how gitosis does them and how gitolite does it
differently.
You can split the keys manually, or use the following code (just
copy-paste it into your xterm after "cd"-ing to your gitolite-admin repo
clone):
wc -l keydir/*.pub | grep -v total | grep -v -w 1 | while read a b
do
i=1
cat $b|while read l
do
echo "$l" > ${b%.pub}@$i.pub
(( i++ ))
done
mv $b $b.done
done
This will split each multi-key file (say "sitaram.pub") into individual
files called "sitaram@1.pub", "sitaram@2.pub", etc., and rename the
original to "sitaram.pub.done" so gitolite won't pick it up.
At this point you can rename the split parts more appropriately, like
"sitaram@laptop.pub" and "sitaram@desktop.pub" or whatever. *Please check
the files to make sure this worked properly*
5. Check all your changes to your gitolite-admin clone, commit, and push