$ git clone -n https://gitee.com/zhangwenlong01/perl-Tk.git /var/lib/mock/dist-an23-build-506175-74854/root/chroot_tmpdir/scmroot/perl-Tk
Cloning into '/var/lib/mock/dist-an23-build-506175-74854/root/chroot_tmpdir/scmroot/perl-Tk'...
$ git fetch origin e6ff01fe931046cb6b4c45c00610707c2abed9f7:KOJI_FETCH_HEAD
From https://gitee.com/zhangwenlong01/perl-Tk
 * [new ref]         e6ff01fe931046cb6b4c45c00610707c2abed9f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6ff01f rebuild for loongarch64