$ git clone -n https://src.fedoraproject.org/rpms/golang-github-kr-text.git /var/lib/mock/f45-build-20154-568/root/chroot_tmpdir/scmroot/golang-github-kr-text
Cloning into '/var/lib/mock/f45-build-20154-568/root/chroot_tmpdir/scmroot/golang-github-kr-text'...
$ git fetch origin 67c7af602381d16a8e45fe8bd501c2806eaa3a71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-kr-text
 * [new ref]         67c7af602381d16a8e45fe8bd501c2806eaa3a71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67c7af6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild