bug#60852: git-authenticate edge case for certain key setup.

[Hilton Chain via Bug reports for GNU Guix <bug-guix@gnu.org>]

On Tue, 17 Jan 2023 23:18:13 +0800,
Ludovic Courtès wrote:
> 
> Hi,
> 
> Hilton Chain <hako@ultrarare.space> skribis:
> 
> > I encountered the issue when adding a new key to my Guix channel.  Though I
> > haven't figured out what happened exactly, I'm currently able to reproduce the
> > issue with the following steps.
> 
> Fishy.  Would you be able to write a script to reproduce the whole
> scenario?  That’d make it easier to test and we’d be sure we’re talking
> about the same thing.
> 
> Thanks for reporting it!
> 
> Ludo’.

I created a git repository and uploaded it to GitHub:
<https://github.com/rakino/bug-60852>

Outputs:
: gpg: key 8FDEAEDC3B8C0109: public key "Key One" imported
: gpg: key 8FDEAEDC3B8C0109: secret key imported
: gpg: Total number processed: 1
: gpg:               imported: 1
: gpg:       secret keys read: 1
: gpg:   secret keys imported: 1
: gpg: key FC92800E84F3F3B6: public key "Key Two" imported
: gpg: key FC92800E84F3F3B6: secret key imported
: gpg: Total number processed: 1
: gpg:               imported: 1
: gpg:       secret keys read: 1
: gpg:   secret keys imported: 1
: [trunk 083b7ef] Authorize Key One.
:  1 file changed, 4 insertions(+)
:  create mode 100644 .guix-authorizations
: [trunk 1602009] Authorize Key Two.
:  1 file changed, 3 insertions(+), 1 deletion(-)
: [trunk 732579e] Test.
:  1 file changed, 1 insertion(+)
:  create mode 100644 dummy
: Authenticating commits 083b7ef to 732579e (2 new commits)...
: [#######################################                                       ]guix git: error: commit 732579e0f0dc6d15dbd2ea6826e01ae3aaf999a4 not signed by an authorized key: E1B1 7BEA 095F 5B25 4135  F6D1 F820 25E7 800B 3CCF
: HEAD is now at 083b7ef Authorize Key One.
: [trunk af4fae1] Authorize Key Two.
:  1 file changed, 2 insertions(+)
: [trunk 4b90546] Test.
:  1 file changed, 1 insertion(+)
:  create mode 100644 dummy
: Authenticating commits 083b7ef to 4b90546 (2 new commits)...
: HEAD is now at 0ba5461 Add start.sh.