$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ruby-vips.git /var/lib/mock/f38-build-side-42-init-devel-638865-26388/root/chroot_tmpdir/scmroot/rubygem-ruby-vips
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-638865-26388/root/chroot_tmpdir/scmroot/rubygem-ruby-vips'...
$ git fetch origin e57e1268ed0ac270030b2a799860f6a1debe720b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-ruby-vips
 * [new ref]         e57e1268ed0ac270030b2a799860f6a1debe720b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e57e126 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild