$ git clone -n https://src.fedoraproject.org/rpms/golang-github-seancfoley-bintree.git /var/lib/mock/f45-build-12392-442/root/chroot_tmpdir/scmroot/golang-github-seancfoley-bintree
Cloning into '/var/lib/mock/f45-build-12392-442/root/chroot_tmpdir/scmroot/golang-github-seancfoley-bintree'...
$ git fetch origin 2048bbf63bdb83a82671688b09d5f2156fba11df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-seancfoley-bintree
 * [new ref]         2048bbf63bdb83a82671688b09d5f2156fba11df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2048bbf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild