$ git clone -n https://src.fedoraproject.org/rpms/libgit2.git /var/lib/mock/f38-build-701655-88637/root/chroot_tmpdir/scmroot/libgit2
Cloning into '/var/lib/mock/f38-build-701655-88637/root/chroot_tmpdir/scmroot/libgit2'...
$ git reset --hard bf7b0fccc8a760d2d78fe1e12fedc646801b2c5e
HEAD is now at bf7b0fc Obsolete retired libgit2_1.3 and libgit2_1.4