$ git clone -n https://src.fedoraproject.org/rpms/thrift.git /var/lib/mock/f39-build-1469570-33854/root/chroot_tmpdir/scmroot/thrift
Cloning into '/var/lib/mock/f39-build-1469570-33854/root/chroot_tmpdir/scmroot/thrift'...
$ git fetch origin d89e43e7d6d0dd2badd65f40e0aa946011626eff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/thrift
 * [new ref]         d89e43e7d6d0dd2badd65f40e0aa946011626eff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d89e43e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild