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diff --git a/debian/README.Maintainer b/debian/README.Maintainer new file mode 100644 index 00000000..419826dd --- /dev/null +++ b/debian/README.Maintainer @@ -0,0 +1,212 @@ +# README for Debian package maintainers + +This file mostly applies to how the packaging work-flow works for the official +Debian packages, but it may contain useful information also for anybody doing +their own private .deb builds. + +## Version control + +This package is maintained by the MariaDB/MySQL team in Debian using the +git-buildpackage tool and storing the git repositories on the Debian Gitlab +instance Salsa. For details see https://salsa.debian.org/mariadb-team/. + +The official Ubuntu packages are also maintained by the same team using the same +source repository. + +### Ensuring git contents match what has been uploaded to Debian/Ubuntu + +It is possible (but extremely rare) that somebody uploads a MariaDB package to +Debian/Ubuntu and either does not use git at all, or simply forgets to push the +same changes on git, or makes an error in tagging the release or something. +Therefore, maintainers should check that the git contents match what has been +uploaded to Debian/Ubuntu before making new changes on git. + +This can be done by using dgit. The example command below will fetch the latest +mariadb-10.1 package available in Ubuntu 18.04 (Bionic) base archive, security +archive or updates archive (whichever has a newer version): + + dgit -d ubuntu clone mariadb-10.6 jammy,-security,-updates + cp -ra mariadb-10.6/* . + rm -rf mariadb-10.6 + +You can then compare these two directories with a recursive diff or `git diff`. + + +Another option is to manually check on packages.debian.org or packages.ubuntu.com +what is the latest version, and download and extract it on top of the existing +debian/ directory with: + + curl -SL https://launchpad.net/ubuntu/+archive/primary/+sourcefiles/mariadb-10.6/\ + 1:10.6.7-2ubuntu1.1/mariadb-10.6_10.6.7-2ubuntu1.1.debian.tar.xz -o - | tar xv --xz + +You can simply run `git diff` to see the report on differences. + + +## Building from sources with git-buildpackage + +See README.Contributor for details. + + +## Upgrading sources from upstream + +Upstream will publish maintenance releases at least 5 years after the major +version release, and security updates are likely to come even after that as +long as major distributions ship the version. + +See table at +https://mariadb.com/kb/en/mariadb/development/mariadb-maintenance-policy/ + +Release notes are available at +https://mariadb.com/kb/en/mariadb/development/release-notes/ + + +### Steps to import new upstream version + +Download new source package: + + git checkout 10.11 + git pull --tags upstream 10.11 + git tag -v mariadb-10.11.3 + git checkout debian/latest + git merge -v mariadb-10.11.3 + +Refresh patches: + + while quilt push; do quilt refresh; done; quilt pop -a + +Simple offsets will be updated automatically. If there are any rejects, inspect +the files and update the patches or discard the patch completely if you are +_sure_ that it has been applied upstream. + +Generate new debian/changelog entry automatically with git-dch: + + gbp dch -vR + +Edit the details to match correct release: + + gedit debian/changelog & + +Commit to git: + + git citool + +Build and test locally to verify it works: + + gbp buildpackage + +Alternatively you can use Docker with something like this: + + mkdir ccache buildout + docker run -it -v "${PWD}/buildout":/tmp/build -v "${PWD}/ccache":/.ccache \ + -v "${PWD}/$PKG":/tmp/build/source -w /tmp/build/source \ + -e DEB_BUILD_OPTIONS="$DEB_BUILD_OPTIONS" -e CCACHE_DIR=/var/cache/ccache \ + --user=1001 registry.gitlab.com/mariadb/mariadb.org-build-containers:$PKG-debian-sid-build-env \ + gbp buildpackage | tee latest.build + +If needed, add commits or amend the ones you made until the package is in +perfect shape. + +Let Lintian automatically check as much as possible: + + lintian -EvIL +pedantic --color=always *.changes + +Then proceed to make a source only build: + + gbp buildpackage -S + +Test more with upload to Launchpad: + + COMMIT_ID=`git log -n 1 --oneline | cut -d ' ' -f 1` + PKG=mariadb-10.6 + backportpackage --yes -u ppa:mysql-ubuntu/$PKG -d groovy -S ~`date '+%s'`.$COMMIT_ID $PKG*.dsc + +When done, push to Salsa: + + gbp push # gbp branches and tags + git push # master branch + +Wait until the Salsa CI pipeline finishes. If it did not either spot any +regressions, proceed to tagging the commit: + + gbp tag + gbp push + +Once you are sure there are no regressions, finally upload to Debian: + + dput ftp-master *.changes + +After the upload, check that everything is OK at +* https://tracker.debian.org/mariadb (Debian) +* https://launchpad.net/ubuntu/+source/mariadb-10.6 (Ubuntu) + +## Maintaining translations + +Running `debconf-updatepo --verbose` will refresh the translation files. + +A call for translations can be initiated with e.g. `podebconf-report-po --call -v --smtp=smtp.kolumbus.fi`. + +### Launchpad testing matrix + +Since Launchpad only has Ubuntu releases, packages for specific Debian releases +needs to be tested on the Ubuntu release which most closely matches the Debian +release in question. The following matrix maps what package should be tested +where: + +- 10.6 for sid on Launchpad lunar +- 10.6 for kinetic on Launchpad kinetic +- 10.6 for jammy on Launchpad jammy +- 10.5 for bullseye on Launchpad hirsute (not available anymore) +- 10.3 for focal on Launchpad focal +- 10.3 for buster on Launchpad disco (not available anymore) +- 10.1 for bionic on Launchpad bionic +- 10.1 for stretch on Launchpad xenial (not available anymore) + +## Uploading security releases to Debian + +After you've got permission from the security team, upload with `dput security-master *.changes`. + +For details see https://www.debian.org/doc/manuals/developers-reference/pkgs.html#bug-security + +## Uploading security releases to Ubuntu + +See example with documented procedure: + * https://bugs.launchpad.net/ubuntu/+source/mariadb-10.3/+bug/1861260 + +### Upload priority + +Do the security uploads in this order for having the best chance of catching +regressions before they spread out to too many users. + +Upload priority for 10.6 +- debian sid +- ubuntu-22.10 kinetic +- ubuntu-22.04 jammy + +Upload priority for 10.5 +- debian-11 bullseye + +Upload priority for 10.3 +- ubuntu-20.04 focal +- debian-10 buster + +for 10.1 (only in case there are extra releases after official EOL) +- ubuntu-18.04 bionic +- debian-9 stretch + +## Comparison to other distributions + +For tracking security release information, finding solutions for build errors +on many architectures and for general quality control it can be useful to keep +an eye on what packagers in other distributions do: + +Fedora: + * https://apps.fedoraproject.org/packages/mariadb/ + * http://pkgs.fedoraproject.org/cgit/mariadb.git/ +OpenSUSE: + * https://build.opensuse.org/package/show/server:database/mariadb +Arch Linux: + * https://projects.archlinux.org/svntogit/packages.git/?h=packages/mariadb +Mageia: + * http://svnweb.mageia.org/packages/cauldron/mariadb/current/ + +See also: https://repology.org/project/mariadb/badges |