$ git clone -n https://gitee.com/mgb01105731/libisoburn_2.git /var/lib/mock/dist-an23.3-build-419179-72884/root/chroot_tmpdir/scmroot/libisoburn_2
Cloning into '/var/lib/mock/dist-an23.3-build-419179-72884/root/chroot_tmpdir/scmroot/libisoburn_2'...
$ git fetch origin dcac720483d78c4dafb5071569435821506de6f6:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libisoburn_2
 * [new ref]         dcac720483d78c4dafb5071569435821506de6f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcac720 Update to 1.5.6 from 1.5.4