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2009-05-05

This text summarizes some points to pay attention to when a new release
of sane-backends is planned.

Timetable (approximate periods):

Day  0: Announcement of upcoming release on sane-devel including timetable
Day 14: Feature freeze (only bugfixes + documentation updates)
Day 28: Code freeze (only fixes for bugs that can destroy hardware, can cause 
        compilation problems or render a backend completely unusable, and
        documentation updates are allowed)
Day 35: Release

Before the release:

* set :new :yes on any new backend .desc files
* Make sure that config.guess and config.sub are up-to-date (get them from
  savannah.gnu.org/projects/config)
* configure.in: increase version number
* configure.in: remove 'git' from textual version number
* configure.in: set is_release=yes
* OPTIONAL: aclocal.m4: recreate by running aclocal
* OPTIONAL: include/sane/config.h.in: recreate (autoheader in root of checkout)
* DONT run autoreconf, it will overwrite our custom ltmain.sh
* configure: recreate by running autoconf
* NEWS: update and enter date of release
* sane-backends.lsm: update
* ChangeLog: set release marker
* git commit -a
* tag git with release tag; e.g.: 'git tag -a RELEASE_1_0_15'
* probably DONT want to git push here, cause alioth will rebuild it's local
  checkout needlessly

Making the release:

* make tar.gz, sane-backends-x.y.z.lsm, and .md5sum with "make sane-backends"
* unpack tar.gz in temporary directory
* make diff from last release by unpacking it also in temporary directory
  and running e.g. 
  diff -uNr sane-backends-1.0.23 sane-backends-1.0.24  > sane-backends-1.0.23-1.0.24.diff
* check that the diff applies cleanly to the old version
* gzip the diff
* install devel headers required to build optional backends (1284,gphoto,etc)
* check that the new version .tar.gz can be compiled
* upload the .tar.gz, tar.gz.md5 and .diff.gz to the FTP/HTTP servers
  (at the moment: alioth.debian.org, ftp files are in
  /srv/alioth.debian.org/chroot/ftproot/pub/sane/ )
  In the alioth web interface, you should upload the smallest file first,
  since you don't get error messages until after an upload completes,
  and you might need to change something.
  You can add the larger files afterwards. You may have to split larger
  files.

Announcing the release:

* checkout the sane/website.git module and:
* copy sane-backends.html to sane-backends-"old-version".html
* update sane-supported-devices.html with link to above "old" file
* rebuild sane-backends.html and sane-mfgs.html (make -C doc html-pages)
* use man2html from http://hydra.nac.uci.edu/indiv/ehood/man2html.html
  to rebuild html man pages (make -C doc html-man) (no other version works)
* add md5 sum to sane-md5sums.txt
* check and update platforms page (sane-support.html)
* add announcement to index.html
* git commit -a && git push
* check that website was updated automatically. if not, see:
  /home/groups/sane/bin/update-htdocs.sh
* rebuild descriptions.db (make -C doc descriptions.db)
* scp doc/descriptions.db to alioth:
  /home/groups/sane/search/release
* write announcements sane-devel, maybe others (e.g. freshmeat),
  include the md5 hash

After the release:

* move ChangeLog to ChangeLog-"version"
* start a new ChangeLog
* add ChangeLog-"version" to EXTRA_DIST in Makefile.in and Makefile.am
* configure.in: bump textual version & add 'git' suffix
* configure.in: bump V_REV
* configure.in: set is_release=no
* configure: regenerate with autoconf
* remove the ':new' tag from any new backends .desc files
* git add new files and commit
* git push --tags