$ git clone -n https://gitee.com/src-anolis-os/ninja-build.git /var/lib/mock/dist-an23-loongarch-build-309490-66339/root/chroot_tmpdir/scmroot/ninja-build
Cloning into '/var/lib/mock/dist-an23-loongarch-build-309490-66339/root/chroot_tmpdir/scmroot/ninja-build'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/ninja-build
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 054813e Add newer patches