$ git clone -n https://src.fedoraproject.org/rpms/llvm7.0.git /var/lib/mock/f33-build-390524-62293/root/chroot_tmpdir/scmroot/llvm7.0
Cloning into '/var/lib/mock/f33-build-390524-62293/root/chroot_tmpdir/scmroot/llvm7.0'...
$ git reset --hard b264aef01db22eacb47ac1b801ccd9552fc4a7a4
HEAD is now at b264aef reset _vpath_builddir to unbreak cmake/ninja (#1864077)