$ git clone -n https://gitee.com/zhaohang2020/sysak_3.git /var/lib/mock/dist-an23-plus-build-146856-53433/root/chroot_tmpdir/scmroot/sysak_3 Cloning into '/var/lib/mock/dist-an23-plus-build-146856-53433/root/chroot_tmpdir/scmroot/sysak_3'... $ git reset --hard origin/-5.19.0-1 fatal: ambiguous argument 'origin/-5.19.0-1': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git [...] -- [...]'