$ git clone -n https://src.fedoraproject.org/rpms/R-formatR.git /var/lib/mock/f42-build-3264631-41245/root/chroot_tmpdir/scmroot/R-formatR
Cloning into '/var/lib/mock/f42-build-3264631-41245/root/chroot_tmpdir/scmroot/R-formatR'...
$ git fetch origin ff4de0be114a8898187a0ebbe126a7e418208016:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-formatR
 * [new ref]         ff4de0be114a8898187a0ebbe126a7e418208016 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff4de0b Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild