$ git clone -n https://src.fedoraproject.org/rpms/golang-github-daviddengcn-assert.git /var/lib/mock/f45-build-11854-435/root/chroot_tmpdir/scmroot/golang-github-daviddengcn-assert
Cloning into '/var/lib/mock/f45-build-11854-435/root/chroot_tmpdir/scmroot/golang-github-daviddengcn-assert'...
$ git fetch origin 172bbe4405c6f644a55c1d1499e6fcb72ff6e403:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-daviddengcn-assert
 * [new ref]         172bbe4405c6f644a55c1d1499e6fcb72ff6e403 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 172bbe4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild