$ git clone -n https://src.fedoraproject.org/rpms/libdkimpp.git /var/lib/mock/f33-build-336730-58401/root/chroot_tmpdir/scmroot/libdkimpp
Cloning into '/var/lib/mock/f33-build-336730-58401/root/chroot_tmpdir/scmroot/libdkimpp'...
$ git reset --hard e821bf7d41946269bd04f08023f38e4d2ea4913a
HEAD is now at e821bf7 libdkimpp: spec file upgrade