$ git clone -n https://src.fedoraproject.org/rpms/golang-github-coreos-semver.git /var/lib/mock/f45-build-11813-435/root/chroot_tmpdir/scmroot/golang-github-coreos-semver
Cloning into '/var/lib/mock/f45-build-11813-435/root/chroot_tmpdir/scmroot/golang-github-coreos-semver'...
$ git fetch origin 79f6488204d96ed34dcb232c8313bd60dfc13175:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-coreos-semver
 * [new ref]         79f6488204d96ed34dcb232c8313bd60dfc13175 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79f6488 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild