$ git clone -n https://src.fedoraproject.org/rpms/btop.git /var/lib/mock/f40-build-763016-122295/root/chroot_tmpdir/scmroot/btop
Cloning into '/var/lib/mock/f40-build-763016-122295/root/chroot_tmpdir/scmroot/btop'...
$ git fetch origin f95fb4979e454a05115b171b48a94c4b63ed9bec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/btop
 * [new ref]         f95fb4979e454a05115b171b48a94c4b63ed9bec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f95fb49 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild