$ git clone -n https://src.fedoraproject.org/rpms/R-fansi.git /var/lib/mock/f39-build-1536049-36258/root/chroot_tmpdir/scmroot/R-fansi
Cloning into '/var/lib/mock/f39-build-1536049-36258/root/chroot_tmpdir/scmroot/R-fansi'...
$ git fetch origin e95fa20e9e63f0dc56818918268829f0b54ffe8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-fansi
 * [new ref]         e95fa20e9e63f0dc56818918268829f0b54ffe8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e95fa20 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild