$ git clone -n https://src.fedoraproject.org/rpms/golang-github-crossdock.git /var/lib/mock/f40-build-1947034-25183/root/chroot_tmpdir/scmroot/golang-github-crossdock
Cloning into '/var/lib/mock/f40-build-1947034-25183/root/chroot_tmpdir/scmroot/golang-github-crossdock'...
$ git fetch origin b75425729da4c0a74a6d93cd48e639e7afaabf56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-crossdock
 * [new ref]         b75425729da4c0a74a6d93cd48e639e7afaabf56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b754257 Rebuild for golang 1.22.0