$ git clone -n https://src.fedoraproject.org/rpms/R-git2r.git /var/lib/mock/f33-build-213191-48415/root/chroot_tmpdir/scmroot/R-git2r
Cloning into '/var/lib/mock/f33-build-213191-48415/root/chroot_tmpdir/scmroot/R-git2r'...
$ git reset --hard a38f4b44ba151b8821c7007c4e9000174be573b3
HEAD is now at a38f4b4 Rebuild against libgit2 1.0.0