$ git clone -n https://gitee.com/zhaohang_mskdxl/ghostscript.git /var/lib/mock/dist-an23.3-build-422256-72919/root/chroot_tmpdir/scmroot/ghostscript
Cloning into '/var/lib/mock/dist-an23.3-build-422256-72919/root/chroot_tmpdir/scmroot/ghostscript'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/zhaohang_mskdxl/ghostscript
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 827e515 Update jbig2dec requires version