$ git clone -n https://src.fedoraproject.org/rpms/R-git2r.git /var/lib/mock/f38-build-686473-81258/root/chroot_tmpdir/scmroot/R-git2r
Cloning into '/var/lib/mock/f38-build-686473-81258/root/chroot_tmpdir/scmroot/R-git2r'...
$ git reset --hard 4a428984b54d4d9a923b84815e8d50c387214749
HEAD is now at 4a42898 Rebuild for libgit2 1.5.x