$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-U2F-Server.git /var/lib/mock/f40-build-1179362-21865/root/chroot_tmpdir/scmroot/perl-Crypt-U2F-Server
Cloning into '/var/lib/mock/f40-build-1179362-21865/root/chroot_tmpdir/scmroot/perl-Crypt-U2F-Server'...
$ git fetch origin d8e7cdae3bd5092296ba0a31459dd3ba194e6099:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-U2F-Server
 * [new ref]         d8e7cdae3bd5092296ba0a31459dd3ba194e6099 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8e7cda Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild