$ git clone -n https://src.fedoraproject.org/rpms/golang-github-d2g-hardwareaddr.git /var/lib/mock/f45-build-11850-435/root/chroot_tmpdir/scmroot/golang-github-d2g-hardwareaddr
Cloning into '/var/lib/mock/f45-build-11850-435/root/chroot_tmpdir/scmroot/golang-github-d2g-hardwareaddr'...
$ git fetch origin 00971d0a5607d308d052c22d079e1185c4d186d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-d2g-hardwareaddr
 * [new ref]         00971d0a5607d308d052c22d079e1185c4d186d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00971d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild