Any thoughts on my thoughts below?
On Fri, Apr 29, 2016 at 12:17 PM, Stefan Beller <sbel...@google.com> wrote: > On Fri, Apr 29, 2016 at 11:37 AM, Junio C Hamano <gits...@pobox.com> wrote: >> Stefan Beller <sbel...@google.com> writes: >> >>> We do not need to do anything special to initialize the `submodule_groups` >>> pointer as the diff options setup will fill in 0 by default. >>> >>> Signed-off-by: Stefan Beller <sbel...@google.com> >>> --- >>> diff.c | 3 +++ >>> diff.h | 1 + >>> 2 files changed, 4 insertions(+) >> >> Isn't this going in the opposite way from what you described in 0/15 >> with analogy to how "ignore" mechanism works? Just like a path is >> tracked once it is tracked, whether it matches an ignore pattern, >> shouldn't we be getting a summary for a submodule for any submodule >> once submodule/.git/HEAD is there (i.e. we can give a comparison), >> whether it is specified by a separate mechanism that acts from >> sideways (e.g. the "default group"). > > That is why I started in 0/15 with >> One pain point I am still aware of: > as I did not do the right thing in these patches? > These patches do however: > >> git status >> git diff >> git submodule summary >> # show only changes to submodules which are in the default group. > > which seems to be the wrong thing then. > > So here is a thought experiment: > > # get all submodules into the work tree > git submodule update --recursive --init > > # The selected default group will not include all submodules > git config submodule.defaultGroup "*SomeLabel" > > git status > # What do we expect now? > # either a "nothing to commit, working directory clean" > # or rather what was described in 0/15: > > More than 2 submodules (123 actually) including > 'path/foo' > 'lib/baz' > are checked out, but not part of the default group. > You can add these submodules via > git config --add submodule.defaultGroup ./path/foo > git config --add submodule.defaultGroup ./lib/baz > > If we want to go with the second option, the design described in 0/15 > is broken. Going one step further: > > # in all submodules including the excluded via groups, > # by resetting the groups for this command > git -c submodule.defaultGroup= submodule foreach git reset --hard HEAD^ > > git status > # Reporting the changes from submodules in the default Group is > uncontroversial: > On branch master > Your branch is up-to-date with 'origin/master'. > Changes not staged for commit: > (use "git add <file>..." to update what will be committed) > (use "git checkout -- <file>..." to discard changes in working > directory) > > modified: subA (new commits) > modified: subB (new commits) > > no changes added to commit (use "git add" and/or "git commit -a") > > # But what about subC which is not in the default group? It was > changed as well. > # one thing I could imagine, is similar to above: > > More than 2 submodules (123 actually) including > modified: 'subC' (new commits) > modified: 'lib/baz' (new commits) > are checked out, but not part of the default group. > You can add these submodules via > git config --add submodule.defaultGroup ./path/foo > git config --add submodule.defaultGroup ./lib/baz > > # and the remaining 121 submodules are not reported in git status > > git diff > # report them all below: > diff --git a/subA b/subA > index e4e79a2..6689f08 160000 > --- a/subA > +++ b/subA > @@ -1 +1 @@ > -Subproject commit e4e79a217576d24ef4d73b620766f62b155bcd98 > +Subproject commit 6689f08735d08a057f8d6f91af98b04960afa517 > ... > # goes on including 123 submodule not in the default group. > > > In case we report these submodules which are checked out but not in > the default group, we probably want to adapt "git submodule update" to > un-checkout the work tree of the submodules in case they are clean. > > Thanks, > Stefan -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html