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|
#!/bin/sh
# insinuate-dotfiles -- try to get my dotfiles onto a host, securely
# Copyright (C) 2017-2019, 2023 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 <https://www.gnu.org/licenses/>.
# Replacement for COM.SILENTFLAME.CONSFIG::DOTFILES-INSINUATED for when I
# can't access my consfig locally. For tightly space-constrained hosts, we
# might want a feature to just copy over .bashrc, .inputrc, .profile, .shinit,
# .emacs.d and maybe more, overwriting what's already there.
#
# A very slow alternative to --update, for hosts without Git, is to mount with
# sshfs and then can use the local installation of Git to update.
set -e
getopt=$(getopt -s bash -o "" -n insinuate-dotfiles -l update -- "$@")
eval set -- "$getopt"
update=false
while true; do
case "$1" in
--update) update=true; shift; continue ;;
--) shift; break ;;
esac
done
[ $# -eq 1 ] || { echo >&2 "usage: insinuate-dotfiles [--update] [USER@]HOST"
exit 1; }
host=$1
# assume connection sharing is set up in ~/.ssh/config
ssh -fN "$host"
if ssh "$host" "test -d src/dotfiles"; then
if $update \
|| { mr_out="$(ssh -t "$host" \
src/dotfiles/bin/mr -m -d src/dotfiles status)"
mr_exit=$?
[ $mr_exit -eq 0 -a -z "$mr_out" ]; }; then
ssh "$host" \
"rm -rf src/dotfiles/* src/dotfiles/.[!.]* src/dotfiles/..?*"
else
printf >&2 "%s\n\n" "$mr_out"
if [ $mr_exit -eq 0 ]; then
echo >&2 "src/dotfiles exists;"\
"run again with --update to replace contents"
else
echo >&2 "remote 'mr status' for src/dotfiles exited non-zero"
fi
exit 1
fi
else
ssh "$host" "mkdir -p src/dotfiles"
fi
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 -rf .git/refs/remotes/local )
remote_uid="$(ssh "$host" id -u)"
main_opts="$([ "$remote_uid" = 0 ] && echo ozxf || echo zxf)"
tar -C"$temp/.." -zcf - "$(basename $temp)" \
| ssh "$host" 'tar --strip-components=1 -Csrc/dotfiles -'$main_opts' -'
rm -rf "$temp"
# stow dotfiles into $HOME
ssh "$host" "sh src/dotfiles/bin/bstraph"
# copy my gpg key over there so I can use `mr up` to update dotfiles
if ssh "$host" command -v gpg >/dev/null; then
gpg --export-options export-minimal --export spwhitton@spwhitton.name \
| ssh "$host" gpg --import
fi
|
