$ git clone -n https://gitee.com/lx1229207124/isomd5sum.git /var/lib/mock/dist-an23-build-288873-64871/root/chroot_tmpdir/scmroot/isomd5sum
Cloning into '/var/lib/mock/dist-an23-build-288873-64871/root/chroot_tmpdir/scmroot/isomd5sum'...
$ git fetch origin 019738c1c2a4b826e8b0b21011f4b1bc526789c7:KOJI_FETCH_HEAD
From https://gitee.com/lx1229207124/isomd5sum
 * [new ref]         019738c1c2a4b826e8b0b21011f4b1bc526789c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 019738c build: fix build error