$ git clone -n https://gitee.com/mgb01105731/jpegxl.git /var/lib/mock/dist-an23-build-461528-73780/root/chroot_tmpdir/scmroot/jpegxl
Cloning into '/var/lib/mock/dist-an23-build-461528-73780/root/chroot_tmpdir/scmroot/jpegxl'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/jpegxl
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23e1cde test