$ git clone -n https://gitee.com/src-anolis-os/libpng15.git /var/lib/mock/dist-an23.5-AImanager-build-529607-79964/root/chroot_tmpdir/scmroot/libpng15
Cloning into '/var/lib/mock/dist-an23.5-AImanager-build-529607-79964/root/chroot_tmpdir/scmroot/libpng15'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libpng15
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4783e62 Init