#!/bin/sh

# insinuate-dotfiles -- try to get my dotfiles onto a host, securely

# Copyright (C) 2017-2019 Sean Whitton
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.



# Replacement for COM.SILENTFLAME.CONSFIG::DOTFILES-INSINUATED for when I
# can't access my consfig locally.  Possible additional functionality would be
# to do an update of what's already there, but this will be much slower over
# sshfs than the following, which should copy files in just one direction

# Enhancement: When don't have git on remote and src/dotfiles does not exist,
# copy over .bashrc, .inputrc, .profile, .shinit, .emacs.d and maybe more,
# unconditionally (i.e. overwrite what's there, in case want to update to a
# newer version).  Maybe confirm that I want to do that before copying, in
# case what I would prefer is just to go and install git on the remote
# machine.

set -e

# assume connection sharing is set up in ~/.ssh/config
ssh -fN "$1"

if ssh "$1" "test -d src/dotfiles"; then
    echo >&2 "src/dotfiles exists"
    exit 1
fi
ssh "$1" "mkdir -p src/dotfiles"

temp="$(mktemp -d -p $HOME/tmp insinuate.XXX)"
git clone --no-hardlinks --depth 1 -o local -b master \
    "file://$HOME/src/dotfiles" "$temp"
( cd "$temp" && git remote rm local && rm -r .git/refs/remotes/local )
tar -C"$temp/.." -zcf - "$(basename $temp)" \
    | ssh "$1" 'tar --strip-components=1 -Csrc/dotfiles -zxf -'
rm -rf "$temp"

# copy my gpg key over there so I can use `mr up` to update dotfiles
if ssh "$1" which gpg >/dev/null; then
    gpg --export-options export-minimal --export spwhitton@spwhitton.name \
        | ssh "$1" gpg --import
fi
# stow dotfiles into $HOME
ssh "$1" 'sh src/dotfiles/bin/bstraph'