$ git clone -n https://src.fedoraproject.org/rpms/golang-uber-dig.git /var/lib/mock/f45-build-12774-443/root/chroot_tmpdir/scmroot/golang-uber-dig
Cloning into '/var/lib/mock/f45-build-12774-443/root/chroot_tmpdir/scmroot/golang-uber-dig'...
$ git fetch origin 849518a973fa815c743e901d1b0256ba52d2fad2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-uber-dig
 * [new ref]         849518a973fa815c743e901d1b0256ba52d2fad2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 849518a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild