$ git clone -n https://src.fedoraproject.org/rpms/rubygem-rack-restful_submit.git /var/lib/mock/f39-build-1499306-34744/root/chroot_tmpdir/scmroot/rubygem-rack-restful_submit
Cloning into '/var/lib/mock/f39-build-1499306-34744/root/chroot_tmpdir/scmroot/rubygem-rack-restful_submit'...
$ git fetch origin 970941c00ccb51ec099eed96cc29eb530d28ec2e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-rack-restful_submit
 * [new ref]         970941c00ccb51ec099eed96cc29eb530d28ec2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 970941c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild