On Wed, Oct 13, 2021 at 12:52 PM Robie Basak wrote:
>
> git-ubuntu is now able to accept rich history directly from any uploader.
>
> The CLI is in beta and subject to change. Feedback appreciated!
>
> # Summary
>
> sudo snap refresh --beta git-ubuntu # beta channel snap required
sorry to bring this up.
I recently reinstalled my system (hardware upgrades) and I have
completely removed snap, and I don't plan to reinstall it or use any
snaps in the future. Is there any place I can get 'git-ubuntu' without
using snaps?
>
> git ubuntu clone foo
> cd foo
>
> dpkg-buildpackage $(git ubuntu prepare-upload args)
>
>
> Alternatively, if you don't use dpkg-buildpackage, you can prepare your
> source upload as usual, use
> `git ubuntu prepare-upload mangle <../changes file here>` to add the
> extra headers, sign (or re-sign) the changes file with `debsign` and
> then upload as usual.
>
> # CLI Design
>
> Ubuntu developers tend to have complex and custom workflows. To try and
> support them all, I've started by implementing the low level first. I
> didn't want to wrap everything and assume that you generate the changes
> file in some particular way. The `prepare-upload` subcommand is intended
> for integration and wrapping by your own tooling. I suggest you make an
> alias or wrapper script to operate it in the way that you want.
>
> Eventually I expect a high level CLI such as `git ubuntu submit` to do
> all the work for you, but I want to get the low level stuff right first.
>
> # Details of what the subcommands do
>
> There are two subcommands being added here: `git ubuntu prepare-upload
> args` and `git ubuntu prepare-upload mangle`. Both will push the current
> branch to a personal remote (defaulting to your personal Launchpad
> namespace that `git ubuntu clone` sets up named after your Launchpad
> username; details overridable with `--remote` and `--branch`). After
> that, `args` will output the required additional changes file headers in
> a form suitable for `dpkg-buildpackage`. `mangle` will instead replace
> an existing changes file to add the headers, stripping the signature if
> it was signed (as the alteration requires re-signing).
>
> # Details of the changes file headers
>
> * Vcs-Git: points to the git repository where the rich history can be
>found.
>
> * Vcs-Git-Ref: the ref which when fetched contains the rich history.
>
> * Vcs-Git-Commit: the commit hash of your rich history. This must match
>your upload.
>
> When git-ubuntu imports your upload, it will look in the location
> specified by these headers for the rich history. If present and if they
> match your upload, then it will use your commit instead of synthesizing
> its own.
>
> # Caveats
>
> * If empty directories exist in your source, then your rich history
>will likely mismatch and will be rejected. A synthesized commit will
>be used instead. git-ubuntu will warn you if this is about to happen
>if you used `git-ubuntu clone`. See LP: #1917877 for details and a
>workaround.
>
> * Note that error paths are not currently well handled. I intend to fix
>these before a final release. I'd appreciate feedback on what edge
>cases you hit, so I can make sure I handle those.
>
> * For now, only Launchpad git URLs are accepted to avoid the risk from
>a malicious git repository host. `git-ubuntu prepare-upload` will
>check that the URL will be acceptable.
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