$ git clone -n https://src.fedoraproject.org/rpms/lftp.git /var/lib/mock/f39-build-1469075-33825/root/chroot_tmpdir/scmroot/lftp
Cloning into '/var/lib/mock/f39-build-1469075-33825/root/chroot_tmpdir/scmroot/lftp'...
$ git fetch origin bc9f156824f7bb845233edff8b855510629b2515:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lftp
 * [new ref]         bc9f156824f7bb845233edff8b855510629b2515 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc9f156 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild