$ git clone -n https://gitee.com/src-anolis-os/btrfs-progs.git /var/lib/mock/dist-an23-loongarch-build-313781-67390/root/chroot_tmpdir/scmroot/btrfs-progs
Cloning into '/var/lib/mock/dist-an23-loongarch-build-313781-67390/root/chroot_tmpdir/scmroot/btrfs-progs'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/btrfs-progs
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e4a62f Refactor the spec file