$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jwt-5.git /var/lib/mock/f45-build-20148-568/root/chroot_tmpdir/scmroot/golang-github-jwt-5
Cloning into '/var/lib/mock/f45-build-20148-568/root/chroot_tmpdir/scmroot/golang-github-jwt-5'...
$ git fetch origin 9316916633e8303b2cfeaf3b73f5bf9d69e7eb6d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jwt-5
 * [new ref]         9316916633e8303b2cfeaf3b73f5bf9d69e7eb6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9316916 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild