greened@xxxxxxxxxxxxx writes:
> Techlive Zheng <techlivezheng@xxxxxxxxx> writes:
>
>> "%s%n%n%b" is not always equal to "%B". If the commit msg does not have
>> a body, this will append an extra new-line character to the msg title
>> which would cause the splited commit has a new sha1 hash. In most cases,
>> this does not matter, but for a project which did not merged using this
>> script initially, the 'split' command would not genereate the same
>> commits as the orginal which may cause conflicts.
>>
>> Signed-off-by: Techlive Zheng <techlivezheng@xxxxxxxxx>
>> ---
>> contrib/subtree/git-subtree.sh | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
>> index 920c664..5598210 100755
>> --- a/contrib/subtree/git-subtree.sh
>> +++ b/contrib/subtree/git-subtree.sh
>> @@ -296,7 +296,7 @@ copy_commit()
>> # We're going to set some environment vars here, so
>> # do it in a subshell to get rid of them safely later
>> debug copy_commit "{$1}" "{$2}" "{$3}"
>> - git log -1 --pretty=format:'%an%n%ae%n%ad%n%cn%n%ce%n%cd%n%s%n%n%b' "$1" |
>> + git log -1 --pretty=format:'%an%n%ae%n%ad%n%cn%n%ce%n%cd%n%B' "$1" |
>> (
>> read GIT_AUTHOR_NAME
>> read GIT_AUTHOR_EMAIL
>
> This looks good to me. I assume this passes all the tests. Can you add
> a test for this bug so we don't regress? Junio, I am good with this
> patch as soon as we get a test for the problem.
I've applied this patch to my working copy but I'm not finding that I
can recreate the original problem when the patch is disabled.
I assumed the scenario you're trying to fix is:
- Make some commit C to project A with a one-line message
- work, commit, work...
- Add project A as a subproject
- work, commit, work...
- Split project A off into a separate repository
After this, commit C with the one-line message in the split-off projet
should have the same hash it had before project A was incorporated as a
subproject.
As I understad it, you saw the post-split commit having a different
hash?
Is that right? I am not seeing that problem even without your patch.
I want to make sure I understand what the problem is so I can test for
it.
Thanks!
-David
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