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# Releasing Cyrus IMAP

Contents

- Releasing Cyrus IMAP
  - Prerequisites
  - Release notes
  - Pre-release testing
  - Linking up release notes
  - Version tagging
  - Releasing

These instructions are specifically for doing releases from branches that contain RST-based documentation and infrastructure. This includes 2.5 and later versions.

For new releases from ancient branches, see Releasing new builds of ancient Cyrus IMAP versions

## Prerequisites

You will need a GPG key that you can use for signing. Ellie doesn’t remember off the top of her head how to create one of these, so for now just read the manual like she did. :)

You also need a shell account on www.cyrusimap.org and ftp.cyrusimap.org, with SSH key authentication. You need to be in the “admin” group on each, and also the “cyrupload” group on the latter.

And you need permission to send to the cyrus-announce mailing list.

## Release notes

Write up the release notes, and add them to the appropriate location under `docsrc/imap/download/release-notes/`. They will not yet be linked up.

Commit and push your changes, and then wait for cyrusimap.org to rebuild (happens each hour, and takes a few mins, so check at about 5 past). The new release notes will be available at their direct URL – easiest way to find it is to browse to some earlier version’s release notes, then change version in the address bar to load up the new one. Confirm that they are correct and complete.

## Pre-release testing

1. Ensure your git repository is clean, using something like `git clean -xfd`. Note that this command will destroy any uncommitted work you might have, so make sure your ducks are in line before proceeding.
2. Generate a configure script: `autoreconf -i -s`
3. Generate everything else: `./configure --enable-maintainer-mode` (you do not need any other options at this stage).
4. Run `make distcheck`. This will generate a distribution tarball, and test it in various ways. It takes about 10-15 mins to run, depending on your hardware. If this command fails, you are not ready to release – fix the problems, get them tested and committed, then restart the pre-release testing.
5. `make distcheck` can only test so much (it doesn’t know about cunit or cassandane), so you also need to check the tarball against those.
   1. The tarball will be called something like `cyrus-imapd-3.0.0-rc2-23-g0241b22.tar.gz` (this corresponds to the `git describe` output).
   2. Extract it: `tar xfz cyrus-imapd-*.tar.gz` (substitute version for `*`).
   3. Change into the directory: `cd cyrus-imapd-*`
   4. Configure it: `./configure [...]` (provide the same arguments you would when building for Cassandane at any other time).
   5. Compile it: `make -j4` – it should build correctly.
   6. Run the unit tests: `make -j4 check` – they should pass.
   7. Install it to your Cassandane prefix: `make install`
   8. Then run Cassandane normally – it should pass.
   9. If any of this fails, fix it, commit it, then restart the pre-release testing.

## Linking up release notes

The linkage of release notes is handled in `docsrc/conf.py`. There’s a bunch of places it needs to be updated. We should iterate these in detail at some point, but for now the easiest thing to do is look for lines containing the previous version and, if it makes sense to do so, update them to contain the new version.

After this change is committed and pushed upstream, the cyrusimap.org website will start showing the new version as the “current” version at the next hourly update. So ellie likes to do this step at about 5-10 past the hour, which then gives her 50 minutes to finish the rest of the release process without the website updating before the downloads are available.

## Version tagging

Note: it is absolutely critical that your local commits have been pushed upstream at this point. If they are not, and if anybody else pushes in the meantime, you will end up with a mess.

1. Ensure your repository is clean again: `git clean -xfd`

2. Create a signed, annotated tag for the new version: `git tag -s cyrus-imapd-<version>`

3. You will be prompted to enter a commit message for the tag. I use the following, just because it’s what the old instructions said:

       We are pleased to announce the release of Cyrus IMAP version <version>.

       This release contains features and fixes you can find on the following pages:

       [paste link to the release notes for this version here]

4. You will also be prompted to enter the pass phrase for your GPG key, do it.

5. Generate a configure script: `autoreconf -i -s`

6. Generate everything else: `./configure --enable-maintainer-mode`

7. Create the distribution tarball: `make distcheck` (yes, again! this time will have the correct version, now that you’ve tagged it.)

8. If anything goes wrong up to here, delete the tag, fix the issue, and start again from scratch.

9. Sign the distribution tarball: `gpg --sign -b cyrus-imapd-<version>.tar.gz`

10. Ellie also likes to copy the tarball and signature file somewhere safe, just in case something happens between now and uploading.

11. Push the tag upstream: `git push ci cyrus-imapd-<version>` (assuming your remote is named “ci”).

## Releasing

1. Upload the tarball and signature to www: `scp cyrus-imapd-*.tar.gz cyrus-imapd-*.tar.gz.sig www.cyrusimap.org:/var/www/html/releases/`
2. Upload them to ftp too: `scp cyrus-imapd-*.tar.gz cyrus-imapd-*.tar.gz.sig ftp.cyrusimap.org:/srv/ftp/cyrus-imapd/`
3. SSH into both www and ftp, and move older releases to the old versions directory. You want only the two most recent tarball+sig pairs for each major series.
4. Update the topic in the #cyrus IRC channel.
5. Send an announcement to the info-cyrus and cyrus-announce lists.