$ git clone -n https://src.fedoraproject.org/rpms/libgit2.git /var/lib/mock/f31-build-58593-28472/root/chroot_tmpdir/scmroot/libgit2
Cloning into '/var/lib/mock/f31-build-58593-28472/root/chroot_tmpdir/scmroot/libgit2'...
$ git reset --hard 2ab62311751e27d675441f56cf7bd4494e75dcea
HEAD is now at 2ab6231 Obsolete libgit2_0.28