$ git clone -n https://gitee.com/renbo02/gtksourceview4 /var/lib/mock/dist-an8.6-build-175903-59070/root/chroot_tmpdir/scmroot/gtksourceview4 Cloning into '/var/lib/mock/dist-an8.6-build-175903-59070/root/chroot_tmpdir/scmroot/gtksourceview4'... $ git reset --hard origin/a8 fatal: ambiguous argument 'origin/a8': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git [...] -- [...]'