$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gobwas-glob.git /var/lib/mock/f45-build-11955-436/root/chroot_tmpdir/scmroot/golang-github-gobwas-glob
Cloning into '/var/lib/mock/f45-build-11955-436/root/chroot_tmpdir/scmroot/golang-github-gobwas-glob'...
$ git fetch origin 797b94c7177e50a74e5b752a1b61e74ef24b0025:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gobwas-glob
 * [new ref]         797b94c7177e50a74e5b752a1b61e74ef24b0025 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 797b94c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild