$ git clone -n https://gitee.com/idolsama/lldb.git /var/lib/mock/dist-an23-build-326579-68995/root/chroot_tmpdir/scmroot/lldb
Cloning into '/var/lib/mock/dist-an23-build-326579-68995/root/chroot_tmpdir/scmroot/lldb'...
$ git fetch origin 04043e0ceaac61e00462fdd582bf910c246d741a:KOJI_FETCH_HEAD
From https://gitee.com/idolsama/lldb
 * [new ref]         04043e0ceaac61e00462fdd582bf910c246d741a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04043e0 Fix build on riscv64