$ git clone -n https://src.fedoraproject.org/rpms/libblockdev.git /var/lib/mock/f40-build-734311-105845/root/chroot_tmpdir/scmroot/libblockdev
Cloning into '/var/lib/mock/f40-build-734311-105845/root/chroot_tmpdir/scmroot/libblockdev'...
$ git reset --hard 631e826177c2dbaea91a25cbf7909c5ec3bd9551
HEAD is now at 631e826 New version 3.0.4