$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nfnt-resize.git /var/lib/mock/f45-build-12294-440/root/chroot_tmpdir/scmroot/golang-github-nfnt-resize
Cloning into '/var/lib/mock/f45-build-12294-440/root/chroot_tmpdir/scmroot/golang-github-nfnt-resize'...
$ git fetch origin 4e4fc1e57a6b9cde1857c7f9f3a196fd3466e852:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nfnt-resize
 * [new ref]         4e4fc1e57a6b9cde1857c7f9f3a196fd3466e852 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e4fc1e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild