$ git clone -n https://gitee.com/src-anolis-os/perl-Compress-Bzip2.git /var/lib/mock/dist-an23-loongarch-build-309835-66339/root/chroot_tmpdir/scmroot/perl-Compress-Bzip2
Cloning into '/var/lib/mock/dist-an23-loongarch-build-309835-66339/root/chroot_tmpdir/scmroot/perl-Compress-Bzip2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/perl-Compress-Bzip2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a625c30 Optimize the spec file