$ git clone -n https://src.fedoraproject.org/rpms/rust-zbus_names.git /var/lib/mock/f38-build-side-43-rust-devel-1406678-31261/root/chroot_tmpdir/scmroot/rust-zbus_names
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1406678-31261/root/chroot_tmpdir/scmroot/rust-zbus_names'...
$ git fetch origin 075dba5b553aa0acea7d53473b93b4c6cab7e2b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zbus_names
 * [new ref]         075dba5b553aa0acea7d53473b93b4c6cab7e2b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 075dba5 Update to version 2.6.0; Fixes RHBZ#2218339