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Documentation: Add documentation about the release process It's originally written by Martin who graciously allowed to me rework it a bit and push it into coreboot's documentation. Change-Id: I14938d678e4620abec7ed5f0d35dddaf00edda6d Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/30082 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-06 15:44:56 +01:00
# coreboot Release Process
This document describes our release process and all prerequisites to implement
it successfully.
## Purpose of coreboot releases
Our releases aren't primarily a vehicle for code that is stable across all
boards: The logistics of testing the more than 100 boards that are spread out
all continents (except Antarctica, probably) on a given tree state are
prohibitive for project of our size.
Instead, the releases are regular breakpoints that serve multiple purposes:
They support cooperation between multiple groups (corporations or otherwise)
in that it's easier to keep source trees synchronized based on a limited set
of commits. They allow a quick assessment of the age of any given build or
source tree based on its git version (4.8-1234 was merged into master a few
months after 4.8, which came out in April 2018. 4.0-21718's age is harder to
guess).
And finally we use releases to as points in time where we remove old code:
Once we decide that a certain part of coreboot gets in the way of future
development, we announce on the next release that we intend to remove that
part - and everything that depends on it - after the following release.
So removing feature FOO will be announced in release X for release
X+1. The first commit after X+1 is fair game for such removal.
Together with our 6 months release horizon, this provides time to plan
any migrations necessary to keep older boards in the tree by bringing
them up to current standards.
## Needed credentials & authorizations
* Website access is required to post the release files to the website.
* IRC admin access is required to update the topic.
* Git access rights are needed to post the tag.
* Blog post access is needed to do the blog post.
* A PGP key is required to sign the release tarballs and git tag.
This set of required credentials implies that releases can only be done
by a coreboot admin.
## When to release
Releases are done roughly on a 6-month schedule, ideally around end
of April and end of October (can be a bit earlier or delay into May
or November).
We initially followed a 3 month release schedule, but we found that to
be more frequent than was needed, so we scaled it back to twice a year.
## Checklist
### ~2 weeks prior to release
- [ ] Announce upcoming release to mailing list, ask people to test and
to update release notes
### ~1 week prior to release
- [ ] Send reminder email to mailing list, ask for people to test,
and to update the release notes
- [ ] Update the topic in the irc channel with the date of the upcoming
release
### Day of release
- [ ] Update release notes, without specifying release commit ids
- [ ] Select a commit ID to base the release upon, announce to IRC,
ask for testing.
- [ ] Test the commit selected for release
- [ ] Run release script
- [ ] Test the release from the actual release tarballs
- [ ] Push signed Tag to repo
- [ ] Announce that the release tag is done on IRC
- [ ] Update release notes with actual commit id, push to repo
- [ ] Upload release files to web server
Documentation/releases/checklist: Add instructions for crossgcc sources We keep a mirror in case any of the originals disappear, but we also have to remember to update it. Change-Id: Ib4be91d1d508d3d5dba7ace1d167d8e528d58b3d Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34508 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
2019-07-23 10:23:28 +02:00
- [ ] Upload crossgcc sources to web server
Documentation: Add documentation about the release process It's originally written by Martin who graciously allowed to me rework it a bit and push it into coreboot's documentation. Change-Id: I14938d678e4620abec7ed5f0d35dddaf00edda6d Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/30082 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-06 15:44:56 +01:00
- [ ] Update download page to point to files, push to repo
- [ ] Write and publish blog post with release notes.
- [ ] Update the topic in the irc channel that the release is done.
Documentation/releases: Releasing includes announcing on the list Change-Id: I063997d51a80b1b244a0cb35ae90446610ef2c21 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36975 Reviewed-by: Jacob Garber <jgarber1@ualberta.ca> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-11-19 17:54:32 +01:00
- [ ] Announce the release to the mailing list
Documentation: Add documentation about the release process It's originally written by Martin who graciously allowed to me rework it a bit and push it into coreboot's documentation. Change-Id: I14938d678e4620abec7ed5f0d35dddaf00edda6d Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/30082 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-06 15:44:56 +01:00
## Pre-Release tasks
Announce the upcoming release to the mailing list release 2 weeks ahead
of the planned release date.
The announcement should state the planned release date, point to the
release notes that are in the making and ask people to test the hardware
they have to make sure it's working with the current master branch,
from which the release will ultimately be derived from.
Documentation/releases: Drop reference to piratenpad Piratenpad is dead. Change-Id: Id9cfb68f6c6e05d1af2a526c817713a92220d370 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36958 Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-11-19 17:18:33 +01:00
People should be encouraged to provide additions to the release notes.
Documentation: Add documentation about the release process It's originally written by Martin who graciously allowed to me rework it a bit and push it into coreboot's documentation. Change-Id: I14938d678e4620abec7ed5f0d35dddaf00edda6d Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/30082 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-06 15:44:56 +01:00
The final release notes will reside in coreboot's Documentation/releases
directory, so asking for additions to that through the regular Gerrit
process works as well. Note that git requires lots of conflict resolution
on heavily edited text files though.
Frequently, we will want to wait until particular things are in the
release. Once those are in, you can select the commit ID that you want
to use for your release. For the 4.6 release, we waited until we had
time to do the release, then pulled in a few patches that we wanted
to have in the release. The release was based on the final of those
patches to be pulled in.
When a release candidate has been selected, announce the commit ID to
the #coreboot irc channel, and request that it get some testing, just
to make sure that everything is sane.
## Generate the release
After the commit for the release has been selected and verified, run the
release script - util/release/build-release. This will download a new
tree, checkout the commit that you specified, download the submodules,
create a tag, then generate and sign the tarballs.
Be prepared to type in your PGP key’s passphrase.
````
usage: util/release/build-release <version> [commit id] [username] [gpg key id]
Tags a new coreboot version and creates a tar archive
version: New version name to tag the tree with
commit id: check out this commit-id after cloning the coreboot tree
username: clone the tree using ssh://USERNAME - defaults to https://
gpg key id: used to tag the version, and generate a gpg signature
````
After running the script, you should have a new directory for the release,
along with 4 files - 2 tarballs, and 2 signature files.
````
drwxr-xr-x 9 martin martin 4096 Apr 30 19:57 coreboot-4.6
-rw-r--r-- 1 martin martin 29156788 Apr 30 19:58 coreboot-4.6.tar.xz
-rw-r--r-- 1 martin martin 836 Apr 30 19:58 coreboot-4.6.tar.xz.sig
-rw-r--r-- 1 martin martin 5902076 Apr 30 19:58 coreboot-blobs-4.6.tar.xz
-rw-r--r-- 1 martin martin 836 Apr 30 19:58 coreboot-blobs-4.6.tar.xz.sig
````
Here’s the command that was used to generate the 4.6 release:
````
% util/release/build-release 4.6 db508565 Gaumless 3E4F7DF7
````
## Test the release from the tarballs
* Run “make what-jenkins-does” and verify that everything is building.
* Build and test qemu
````
cp configs/config.emulation_qemu_x86_i440fx .config; make olddefconfig; make
qemu-system-x86_64 -bios build/coreboot.rom -serial stdio
````
* Build and test any other platforms you can.
* Compare the directory from the tarballs to the coreboot repo to make sure nothing went wrong.
* Push the tag to git
A good tag will look like this:
````
% git show 4.6
tag 4.6
Tagger: Martin Roth <martinroth@google.com>
Date: Sun Apr 30 19:48:38 2017 -0600
coreboot version 4.6
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
iQIcBAABCQAGBQJZBpP2AAoJEBl5bCs+T333xfgQAKhilfDTzqlr3MLJC4VChbmr
...
678e0NzyWsyqU1Vx2rdFdLANx6hghH1R7E5ybzHHUQrhb55BoEsnQMU1oS0npnT4
dwfLho1afk0ZLPUU1JFW
=25y8
-----END PGP SIGNATURE-----
commit db508565d2483394b709654c57533e55eebace51 (HEAD, tag: 4.6, origin/master, origin/HEAD)
...
````
When you used the script to generate the release, a tag was generated in the tree that was downloaded.
From the coreboot-X.Y tree, just run: `git push -f origin <TAG (X.Y)>`
You will need write access for tags to the coreboot git repo to do this.
## After the release is tagged in git
Announce that the release has been tagged - this lets people know that
they should update their trees to grab the new tag. Until they do this,
the version number in build.h will still be based on the previous tag.
Copy the tarballs and .sig files generated by the script to
the coreboot server, and put them in the release directory at
`/srv/docker/www.coreboot.org-staticfiles/releases/`
````
% sha256sum -b coreboot-*.tar.xz > sha256suma.txt # Update the sha256sum file
% diff sha256sum.txt sha256suma.txt # make sure that the two new files are present (and that nothing else has changed)
% mv sha256suma.txt sha256sum.txt
````
People can now see the release tarballs on the website at
https://www.coreboot.org/releases/
The downloads page is the official place to download the releases from, and it needs to be updated with links to the new release tarballs and .sig files. It can be found at https://review.coreboot.org/cgit/homepage.git/tree/downloads.html
Here is an example commit to change it: https://review.coreboot.org/#/c/19515/
Documentation/releases/checklist: Add instructions for crossgcc sources We keep a mirror in case any of the originals disappear, but we also have to remember to update it. Change-Id: Ib4be91d1d508d3d5dba7ace1d167d8e528d58b3d Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34508 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
2019-07-23 10:23:28 +02:00
## Upload crossgcc sources
Sometimes the source files for older revisions of
crossgcc disappear. To deal with that we maintain a mirror at
https://www.coreboot.org/releases/crossgcc-sources/ where we host the
sources used by the crossgcc scripts that are part of coreboot releases.
Run
````
% util/crossgcc/buildgcc -u
````
This will output the set of URLs that the script uses to download the
sources. Download them yourself and copy them into the crossgcc-sources
directory on the server.
Documentation: Add documentation about the release process It's originally written by Martin who graciously allowed to me rework it a bit and push it into coreboot's documentation. Change-Id: I14938d678e4620abec7ed5f0d35dddaf00edda6d Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/30082 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-06 15:44:56 +01:00
## After the release is complete
Post the release notes on https://blogs.coreboot.org
## Making a branch
At times we will need to create a branch, generally for patch fixes.
When making a branch, do NOT name it the same as the release tag: X.Y - this creates trouble when trying to check it out, as git can’t tell whether you want the tag or the branch.
Instead, name it X.Y\_branch: `git checkout 4.8; git checkout -b 4.8_branch; git push origin 4.8_branch`
You can then cherry-pick changes and push them up to the branch:
````
git cherry-pick c6d134988c856d0025153fb885045d995bc8c397
git push origin HEAD:refs/for/4.8_branch
````