$ git clone -n https://src.fedoraproject.org/rpms/deepin-file-manager.git /var/lib/mock/f38-build-side-42-init-devel-595058-26161/root/chroot_tmpdir/scmroot/deepin-file-manager
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-595058-26161/root/chroot_tmpdir/scmroot/deepin-file-manager'...
$ git fetch origin 644951a18ab2a17acc3232497434cc3cdc83ef43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-file-manager
 * [new ref]         644951a18ab2a17acc3232497434cc3cdc83ef43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 644951a Fix patch numbering