$ git clone -n https://src.fedoraproject.org/rpms/valgrind.git /var/lib/mock/f38-build-729213-101696/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/f38-build-729213-101696/root/chroot_tmpdir/scmroot/valgrind'...
$ git reset --hard 446a440b296325ea21dcd72b9909e27dca0138e3
HEAD is now at 446a440 3.21.0-6 - Add valgrind-3.21.0-realloc-again.patch