$ git clone -n https://src.fedoraproject.org/rpms/golang-github-google-uuid.git /var/lib/mock/f45-build-12003-437/root/chroot_tmpdir/scmroot/golang-github-google-uuid
Cloning into '/var/lib/mock/f45-build-12003-437/root/chroot_tmpdir/scmroot/golang-github-google-uuid'...
$ git fetch origin 75eb6b30191dbd875a2dd3ed3317597d80aa44ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-google-uuid
 * [new ref]         75eb6b30191dbd875a2dd3ed3317597d80aa44ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75eb6b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild