threads / discuss / 54139

feature request - add --only-author option to git push

Subject: feature request - add --only-author option to git push

## tl;dr

6 messages between Aug 27, 2020 and Aug 27, 2020.

replies: 5people: 3as markdown or json

Toni Brkic· Aug 27, 2020, 07:47 UTC · lore

Sorry if this mail list is not used for feature requests/discussions. This was the best list I found. Let me know if should post it somewhere else.

I would like to be able to configure git so that when doing git push git checks that I am author of all patches that are being pushed. If I am not authour it should not do push.

The reason for this is that a common mistake that happens when working with gerrit (at least for me)

Person A has uploaded patch1 I need patch1 to continue development and cherry pick it to my repo. Person A uploads new version of patch1 I have finished my patch and push to gerrit. What then happens is that I have an older version of patch1 and thus overwrite the new version by Person A

Maybe there is some way already to do this, but I could not find anything when searching.

BR,
Toni
Pratyush Yadav· Aug 27, 2020, 10:19 UTC · re: Toni Brkic · lore

Re: feature request - add --only-author option to git push

Hi Toni,
On 27/08/20 09:47AM, Toni Brkic wrote:
Show 20 quoted lines
> Sorry if this mail list is not used for feature requests/discussions.
> This was the best list I found.
> Let me know if should post it somewhere else.
> 
> I would like to be able to configure git so that when doing git push
> git checks that I am author of
> all patches that are being pushed. If I am not authour it should not do push.
> 
> The reason for this is that a common mistake that happens when working
> with gerrit (at least for me)
> 
> Person A has uploaded patch1
> I need patch1 to continue development and cherry pick it to my repo.
> Person A uploads new version of patch1
> I have finished my patch and push to gerrit. What then happens is that
> I have an older version of patch1 and thus overwrite the new version
> by Person A
> 
> Maybe there is some way already to do this, but I could not find
> anything when searching.

Have you tried using a pre-push hook? It looks like it is exactly what you need:

   pre-push
     This hook is called by git-push(1) and can be used to prevent a 
     push from taking place. The hook is called with two parameters 
     which provide the name and location of the destination remote, if a 
     named remote is not being used both values will be the same.
     Information about what is to be pushed is provided on the hook’s 
     standard input with lines of the form:
         <local ref> SP <local sha1> SP <remote ref> SP <remote sha1> LF
     For instance, if the command git push origin master:foreign were 
     run the hook would receive a line like the following:
         refs/heads/master 67890 refs/heads/foreign 12345
     although the full, 40-character SHA-1s would be supplied. If the 
     foreign ref does not yet exist the <remote SHA-1> will be 40 0. If 
     a ref is to be deleted, the <local ref> will be supplied as
     (delete) and the <local SHA-1> will be 40 0. If the local commit 
     was specified by something other than a name which could be 
     expanded (such as HEAD~, or a SHA-1) it will be supplied as it was 
     originally given.
     If this hook exits with a non-zero status, git push will abort 
     without pushing anything. Information about why the push is 
     rejected may be sent to the user by writing to standard error.
-- 
Regards,
Pratyush Yadav
Toni Brkic· Aug 27, 2020, 11:39 UTC · re: Pratyush Yadav · lore

Re: feature request - add --only-author option to git push

Show 59 quoted lines
>
> Hi Toni,
>
> On 27/08/20 09:47AM, Toni Brkic wrote:
> > Sorry if this mail list is not used for feature requests/discussions.
> > This was the best list I found.
> > Let me know if should post it somewhere else.
> >
> > I would like to be able to configure git so that when doing git push
> > git checks that I am author of
> > all patches that are being pushed. If I am not authour it should not do push.
> >
> > The reason for this is that a common mistake that happens when working
> > with gerrit (at least for me)
> >
> > Person A has uploaded patch1
> > I need patch1 to continue development and cherry pick it to my repo.
> > Person A uploads new version of patch1
> > I have finished my patch and push to gerrit. What then happens is that
> > I have an older version of patch1 and thus overwrite the new version
> > by Person A
> >
> > Maybe there is some way already to do this, but I could not find
> > anything when searching.
>
> Have you tried using a pre-push hook? It looks like it is exactly what
> you need:
>
>    pre-push
>      This hook is called by git-push(1) and can be used to prevent a
>      push from taking place. The hook is called with two parameters
>      which provide the name and location of the destination remote, if a
>      named remote is not being used both values will be the same.
>
>      Information about what is to be pushed is provided on the hook’s
>      standard input with lines of the form:
>
>          <local ref> SP <local sha1> SP <remote ref> SP <remote sha1> LF
>
>      For instance, if the command git push origin master:foreign were
>      run the hook would receive a line like the following:
>
>          refs/heads/master 67890 refs/heads/foreign 12345
>
>      although the full, 40-character SHA-1s would be supplied. If the
>      foreign ref does not yet exist the <remote SHA-1> will be 40 0. If
>      a ref is to be deleted, the <local ref> will be supplied as
>      (delete) and the <local SHA-1> will be 40 0. If the local commit
>      was specified by something other than a name which could be
>      expanded (such as HEAD~, or a SHA-1) it will be supplied as it was
>      originally given.
>
>      If this hook exits with a non-zero status, git push will abort
>      without pushing anything. Information about why the push is
>      rejected may be sent to the user by writing to standard error.
>
> --
> Regards,
> Pratyush Yadav

The pre-push hook I do not believe could be used to solve it. Due to that it seems that you cannot have options to pre-hooks. I only want the pre-hook to run when having the --only-authors option. Or some other way to not run the hook.

Since there might be situation where I want to change somebody elses patch.
Pratyush Yadav· Aug 27, 2020, 11:53 UTC · re: Toni Brkic · lore

Re: feature request - add --only-author option to git push

On 27/08/20 01:39PM, Toni Brkic wrote:
Show 66 quoted lines
> >
> > Hi Toni,
> >
> > On 27/08/20 09:47AM, Toni Brkic wrote:
> > > Sorry if this mail list is not used for feature requests/discussions.
> > > This was the best list I found.
> > > Let me know if should post it somewhere else.
> > >
> > > I would like to be able to configure git so that when doing git push
> > > git checks that I am author of
> > > all patches that are being pushed. If I am not authour it should not do push.
> > >
> > > The reason for this is that a common mistake that happens when working
> > > with gerrit (at least for me)
> > >
> > > Person A has uploaded patch1
> > > I need patch1 to continue development and cherry pick it to my repo.
> > > Person A uploads new version of patch1
> > > I have finished my patch and push to gerrit. What then happens is that
> > > I have an older version of patch1 and thus overwrite the new version
> > > by Person A
> > >
> > > Maybe there is some way already to do this, but I could not find
> > > anything when searching.
> >
> > Have you tried using a pre-push hook? It looks like it is exactly what
> > you need:
> >
> >    pre-push
> >      This hook is called by git-push(1) and can be used to prevent a
> >      push from taking place. The hook is called with two parameters
> >      which provide the name and location of the destination remote, if a
> >      named remote is not being used both values will be the same.
> >
> >      Information about what is to be pushed is provided on the hook’s
> >      standard input with lines of the form:
> >
> >          <local ref> SP <local sha1> SP <remote ref> SP <remote sha1> LF
> >
> >      For instance, if the command git push origin master:foreign were
> >      run the hook would receive a line like the following:
> >
> >          refs/heads/master 67890 refs/heads/foreign 12345
> >
> >      although the full, 40-character SHA-1s would be supplied. If the
> >      foreign ref does not yet exist the <remote SHA-1> will be 40 0. If
> >      a ref is to be deleted, the <local ref> will be supplied as
> >      (delete) and the <local SHA-1> will be 40 0. If the local commit
> >      was specified by something other than a name which could be
> >      expanded (such as HEAD~, or a SHA-1) it will be supplied as it was
> >      originally given.
> >
> >      If this hook exits with a non-zero status, git push will abort
> >      without pushing anything. Information about why the push is
> >      rejected may be sent to the user by writing to standard error.
> >
> > --
> > Regards,
> > Pratyush Yadav
> 
> The pre-push hook I do not believe could be used to solve it. Due to
> that it seems that you cannot have options to
> pre-hooks. I only want the pre-hook to run when having the
> --only-authors option. Or some other way to not run the hook.
> 
> Since there might be situation where I want to change somebody elses patch.
You can pass `--no-verify` to `git push` to skip the pre-push hook:
  --[no-]verify
     Toggle the pre-push hook (see githooks(5)). The default is 
     --verify, giving the hook a chance to prevent the push. With 
     --no-verify, the hook is bypassed completely.
-- 
Regards,
Pratyush Yadav
Toni Brkic· Aug 27, 2020, 13:32 UTC · re: Pratyush Yadav · lore

Re: feature request - add --only-author option to git push

Show 18 quoted lines
> >
> > The pre-push hook I do not believe could be used to solve it. Due to
> > that it seems that you cannot have options to
> > pre-hooks. I only want the pre-hook to run when having the
> > --only-authors option. Or some other way to not run the hook.
> >
> > Since there might be situation where I want to change somebody elses patch.
>
> You can pass `--no-verify` to `git push` to skip the pre-push hook:
>
>   --[no-]verify
>      Toggle the pre-push hook (see githooks(5)). The default is
>      --verify, giving the hook a chance to prevent the push. With
>      --no-verify, the hook is bypassed completely.
>
> --
> Regards,
> Pratyush Yadav

Thanks. I could do that for myself. Would not be ideal, but it would work as work around for me. I still think this would be a good feature to add to git. Not sure how the flow for requesting new features. If this would be something that would be of interest to be added I could take a look myself and try to write a patch.

Junio C Hamano· Aug 27, 2020, 15:58 UTC · re: Toni Brkic · lore

Re: feature request - add --only-author option to git push

Toni Brkic <brkict@gmail.com> writes:
> ... If this would be
> something that would be of interest to be added I could take a look
> myself and try
> to write a patch.

I am personally not interested with "all my commits must be from me and nobody else", but it might be a useful thing to have if we can come up with an easy way to give a "git shortlog [-s]" (and other "history summary" command the user can ask with configuration variables and such) over the range of commits that will be pushed (which theoretically cannot be known before "git push" starts running) before the actual push happens.

Thanks.

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