$ git clone -n https://src.fedoraproject.org/rpms/mail-notification.git /var/lib/mock/f39-build-1635714-39872/root/chroot_tmpdir/scmroot/mail-notification
Cloning into '/var/lib/mock/f39-build-1635714-39872/root/chroot_tmpdir/scmroot/mail-notification'...
$ git fetch origin 91cab77751dc11790e09e4dc901e831d22014bac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mail-notification
 * [new ref]         91cab77751dc11790e09e4dc901e831d22014bac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91cab77 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild