$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-memory.git /var/lib/mock/f45-build-12722-443/root/chroot_tmpdir/scmroot/golang-modernc-memory
Cloning into '/var/lib/mock/f45-build-12722-443/root/chroot_tmpdir/scmroot/golang-modernc-memory'...
$ git fetch origin 954e45f8cfa1f52bc073a1a9764618a4524c29f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-memory
 * [new ref]         954e45f8cfa1f52bc073a1a9764618a4524c29f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 954e45f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild