Hi,
use case: I am packaging the FOO program for Debian. FOO is maintained in
git but it has a bunch of problems (e.g. because somebody mistakenly checked
in a huge blob which would give the ).
The current workflow for this is to create a new branch, remove the
offending bits if necessary, create a FOO-clean.tar.xz file, and ship that
as "original source". I find that to be suboptimal.
What I would like to have, instead, is a version of shallow cloning which
cuts off not at a pre-determined depth, but at a given branch (or set of
branches). In other words, given
+-J--K (packaged)
/ /
+-F--G--H----I (clean)
/ /
A---B---C---D---E (upstream)
a command "git clone --shallow-until upstream $REPO" (or however that would
be named) would create a shallow git archive which contains branches
packaged+clean, with commits FGHIJK. In contrast, with --single-branch and
--depth 4 I would get CGHIJK, which isn't what I'd want.
As I have not spent too much time with the git sources lately (as in "None
at all"), some pointers where to start implementing this would be
appreciated, assuming (a) this has a reasonable chance of landing in git and
(b) nobody beats me to it. ;-)
--
-- Matthias Urlichs
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