$ git clone -n https://src.fedoraproject.org/rpms/dragonbox.git /var/lib/mock/f40-build-747393-113165/root/chroot_tmpdir/scmroot/dragonbox
Cloning into '/var/lib/mock/f40-build-747393-113165/root/chroot_tmpdir/scmroot/dragonbox'...
$ git reset --hard 5c1144c810388d8b5533e98fb7a6b701469ccb80
HEAD is now at 5c1144c Build arch'ed