$ git clone -n https://gitee.com/mgb01105731/nginx_2.git /var/lib/mock/dist-an23.4-build-538765-83819/root/chroot_tmpdir/scmroot/nginx_2
Cloning into '/var/lib/mock/dist-an23.4-build-538765-83819/root/chroot_tmpdir/scmroot/nginx_2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/nginx_2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c84977d Update to 1.30.2 to fix CVE-2026-9256