$ git clone -n https://gitee.com/src-anolis-sig/java-17-alibaba-dragonwell.git /var/lib/mock/dist-an8-plus-build-240503-62671/root/chroot_tmpdir/scmroot/java-17-alibaba-dragonwell
Cloning into '/var/lib/mock/dist-an8-plus-build-240503-62671/root/chroot_tmpdir/scmroot/java-17-alibaba-dragonwell'...
$ git reset --hard origin/a
fatal: ambiguous argument 'origin/a': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'