$ git clone -n https://src.fedoraproject.org/rpms/libu2f-server.git /var/lib/mock/f40-build-738480-107960/root/chroot_tmpdir/scmroot/libu2f-server
Cloning into '/var/lib/mock/f40-build-738480-107960/root/chroot_tmpdir/scmroot/libu2f-server'...
$ git fetch origin 36ee18c0e47a86c7573779c16e3df24942fc14a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libu2f-server
 * [new ref]         36ee18c0e47a86c7573779c16e3df24942fc14a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36ee18c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild