Am 07.01.2013 02:39, schrieb Jonathan Nieder:
> (just cc-ing Jens and Peter, who might be interested)

I´m currently working on teaching mv to move submodules and intend
to send those patches to the list after finishing submodule deinit.
Please see
  https://github.com/jlehmann/git-submod-enhancements/commits/mv-submodules
for the current state of this series.

> W. Trevor King wrote:
> 
>> Today I had to move my first submodule, and I discovered that Git's
>> support for this is pretty limited.  There have been a few patch
>> series attempting to address this [1,2], but none of them seems to
>> have pushed through into master (although I can't put my finger on a
>> reason for why).  There are also some SO postings discussing this
>> [3,4].  It would be nice if `git mv` worked out of the box on
>> submodules.  Failing that, there could be a `git submodule mv` command
>> that casts the appropriate spell.  Failing that, there could be a
>> recipe in Documentation/git-submodule.txt.  Here's the best I could
>> come up with for a `git-submodule-mv.sh`:
>>
>>   #!/bin/sh
>>   # usage: git-submodule-mv.sh OLD NEW
>>   OLD=$(realpath --relative-to . "$1")
>>   NEW=$(realpath --relative-to . "$2")
>>   SHA=$(git ls-files -s "$OLD" | sed 's|^[0-9]* \([0-9a-f]*\) .*|\1|')
>>   NAME=$(git config -f .gitmodules --get-regexp 'submodule\..*\.path' "$OLD" 
>> |
>>     sed -e 's|^submodule.||' -e "s|.path $OLD\$||")
>>   GITDIR=$(realpath --relative-to "$NEW" .git/modules/"$NAME")
>>   git config -f .gitmodules submodule."$NAME".path "$NEW"
>>   git config -f .git/modules/"$NAME"/config core.worktree "../../../$NEW"
>>   git rm --cached "$OLD"
>>   mv "$OLD" "$NEW"
>>   echo "gitdir: $GITDIR" > "$NEW/.git"
>>   git update-index --add --cacheinfo 160000 "$SHA" "$NEW"
>>
>> This only works from the repository root directory, and I'm sure makes
>> a number of poor assumptions (e.g. old-style submodules that don't use
>> `gitdir` links are not supported).  It does work for some simple test
>> cases.  The tricky parts (e.g. path -> name conversion) are already
>> worked out more robustly git-submodule.sh, so adding a new cmd_mv
>> shouldn't be very difficult.
>>
>> Could something like this live somewhere in Git, or are we waiting for
>> a more integrated solution?
>>
>> Cheers,
>> Trevor
>>
>> [1]: http://thread.gmane.org/gmane.comp.version-control.git/88720
>> [2]: http://thread.gmane.org/gmane.comp.version-control.git/143250
>> [4]: http://stackoverflow.com/questions/4323558/moving-submodules-with-git
>> [3]: 
>> http://stackoverflow.com/questions/4604486/how-do-i-move-an-existing-git-submodule-within-a-git-repository
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