$ git clone -n https://gitee.com/happy_orange/java-1.8.0-alibaba-dragonwell.git /var/lib/mock/dist-an8.6-build-200307-60841/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell Cloning into '/var/lib/mock/dist-an8.6-build-200307-60841/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell'... $ git reset --hard 39544f61be8790500d623b51adccdb8f95d2d536 HEAD is now at 39544f6 add epoch to make the dragonwell becomes the default java