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Re: git-submodule is missing --dissociate option

From
Stefan Beller <sbeller@google.com>
Date
Apr 30, 2018, 18:19 UTC
Message-ID
<CAGZ79kZQ3ce8QTJy2Siiuoz=pa6qWweNc8GTpoygkvKuoFXaAA@mail.gmail.com>
In-Reply-To
<CAEp-SHXo2fnyUSMDqJnfOkh_R21R2FjFUtQ14u9s6-tV039tHg@mail.gmail.com>
On Mon, Apr 30, 2018 at 1:29 AM, Casey Fitzpatrick <kcghost@gmail.com> wrote:
Show 8 quoted lines
> This seems to be a hole in the git feature set. I believe it is fairly
> easily worked around, but it would be best to provide the option for
> ease of use (and maybe performance?).
>
> git clone has both a --reference feature and a --dissociate option,
> with dissociate allowing for a reference to *only* speed up network
> transfers rather than have the resulting clone rely upon the reference
> always being there (creates an independent repo).

With the advent of git-worktree, I claim that --reference without further --dissociate is dangerous, such that the combination of these two are not the best UX, you could wish for.

Show 11 quoted lines
> But git submodule only allows for --reference, so there isn't a an
> option to make a speedy independent submodule clone in one shot:
> https://git-scm.com/docs/git-submodule
> I checked the latest online documentation (currently at 2.16.3) and
> the documentation in the latest sources (almost 2.18):
> https://github.com/git/git/blob/next/Documentation/git-submodule.txt
>
> As far as I am aware this can be worked around with 'git repack -a'
> and manual removal of the objects/info/alternates file afterward.
> Though I don't know if this results in a less speedy clone than
> dissociate would.

That is an interesting workaround! I agree we should have the --dissociate option available for submodules. Care to implement it?

Thanks, Stefan

Previous: Junio C HamanoNext: Casey Fitzpatrick
Message 5 of 29 in “git-submodule is missing --dissociate option”
  1. Casey FitzpatrickApr 30, 2018
  2. Casey FitzpatrickApr 30, 2018
  3. Ævar Arnfjörð BjarmasonApr 30, 2018
  4. Junio C HamanoMay 2, 2018
  5. Stefan BellerApr 30, 2018
  6. Casey FitzpatrickApr 30, 2018
  7. 0/2 Add --progress and --dissociate to git submoduleCasey Fitzpatrick, May 1, 2018
  8. 1/2 submodule: Add --progress option to add commandCasey Fitzpatrick, May 1, 2018
  9. Stefan BellerMay 1, 2018
  10. Casey FitzpatrickMay 1, 2018
  11. 2/2 submodule: Add --dissociate option to add/update commandsCasey Fitzpatrick, May 1, 2018
  12. Stefan BellerMay 1, 2018
  13. Eric SunshineMay 1, 2018
  14. Casey FitzpatrickMay 1, 2018
  15. Stefan BellerMay 1, 2018
  16. 0/3 Add --progress and --dissociate to git submoduleCasey Fitzpatrick, May 2, 2018
  17. 1/3 submodule: clean up subsititions in scriptCasey Fitzpatrick, May 2, 2018
  18. 2/3 submodule: add --progress option to add commandCasey Fitzpatrick, May 2, 2018
  19. 3/3 submodule: add --dissociate option to add/update commandsCasey Fitzpatrick, May 2, 2018
  20. Casey FitzpatrickMay 2, 2018
  21. 0/3 Add --progress and --dissociate to git submoduleCasey Fitzpatrick, May 2, 2018
  22. 1/3 submodule: clean up subsititions in scriptCasey Fitzpatrick, May 2, 2018
  23. Junio C HamanoMay 2, 2018
  24. Casey FitzpatrickMay 3, 2018
  25. 2/3 submodule: add --progress option to add commandCasey Fitzpatrick, May 2, 2018
  26. 3/3 submodule: add --dissociate option to add/update commandsCasey Fitzpatrick, May 2, 2018
  27. Junio C HamanoMay 2, 2018
  28. Casey FitzpatrickMay 2, 2018
  29. Junio C HamanoMay 2, 2018

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