CC (FYI) to git and debian-devel. see


would you be so kind to review my workflow proposal?


debian/*, fixes/*, features/* - topgit branches based on upstream
patches - the hero
master - contains the debian/ dir and is the branch we build from

All topgit branches are integrated in the patches branch, which is afterwards 
merged into master. The magic is, that the integration is not a regular merge, 
but a handcrafted merge and commit with quilt and git plumbing.


Every merge starts with reseting "patches" to the state of upstream:

#> git checkout upstream
(for the first time: git checkout -b patches, otherwise:)
#> git symbolic-ref HEAD refs/heads/patches

Now we're on branch patches with the working tree and index in the pristine 
state of upstream. We can now integrate the topgit branches:

#> tg export --quilt debian/patches \
 -b debian/use-debian-java-libraries,debian/disable-tests-that-break-on-buildd

#> quilt push -a
#> git add debian/
#> rm -rf .pc
#> git add -u

Now let's create the commit and specify, which topgit branches were manually 

#> TREE=$(git write-tree)

#> COMMIT=$(git commit-tree $TREE \
     -p debian/use-debian-java-libraries \
     -p debian/disable-tests-that-break-on-buildd)

#> git update-ref refs/heads/patches $COMMIT

Now I can happily merge patches into master.


- The commits of all ever merged topgit branches are preserved, even after tg 

- easy to understand, non cluttered history

- Easy to retire topgit branches

- Easy to work on old package versions(?): just make a branch from master at 
desired version, eventually also branch patches branch to work on old patches

- The quilt patches are used and therefore tested in the same way, as dpkg-
source uses them in version 3

- Integrates with git-buildpackage

- Doesn't need anything, that topgit hasn't ATM


discuss, test, script

Best regards,

Thomas Koch,

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