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authorJonathan Nieder <jrnieder@gmail.com>2011-02-09 22:43:57 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-02-10 00:06:51 (GMT)
commit547e8b9205349b47003ed25a82673e413e71c255 (patch)
tree23fdeed1c91807f11d8fbe5bb1d79c80c97da037 /ident.c
parent68595cd442caabbd8b43ff0789d2829454efff1b (diff)
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fast-import: introduce "feature notes" command
Here is a 'feature' command for streams to use to require support for the notemodify (N) command. When the 'feature' facility was introduced (v1.7.0-rc0~95^2~4, 2009-12-04), the notes import feature was old news (v1.6.6-rc0~21^2~8, 2009-10-09) and it was not obvious it deserved to be a named feature. But now that is clear, since all major non-git fast-import backends lack support for it. Details: on git version with this patch applied, any "feature notes" command in the features/options section at the beginning of a stream will be treated as a no-op. On fast-import implementations without the feature (and older git versions), the command instead errors out with a message like This version of fast-import does not support feature notes. So by declaring use of notes at the beginning of a stream, frontends can avoid wasting time and other resources when the backend does not support notes. (This would be especially important for backends that do not support rewinding history after a botched import.) Improved-by: Thomas Rast <trast@student.ethz.ch> Improved-by: Sverre Rabbelier <srabbelier@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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