$ git clone -n https://src.fedoraproject.org/rpms/R-webfakes.git /var/lib/mock/f38-build-side-42-init-devel-1088891-30041/root/chroot_tmpdir/scmroot/R-webfakes
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1088891-30041/root/chroot_tmpdir/scmroot/R-webfakes'...
$ git fetch origin 73cc150e49562b0b68e55d6ce428f5cb378980ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-webfakes
 * [new ref]         73cc150e49562b0b68e55d6ce428f5cb378980ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73cc150 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild