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#!/bin/bash
# backup to removable, offline media
. $HOME/.shenv
. $HOME/src/dotfiles/lib-src/tputfs.sh
set -e
# TODO syncing annexes should be more systematic. This first part of
# the script is the worst. Detect if a git repo is an annex, and do
# some sensible backup sync. So that, like with regular git repos,
# coldbkup can also set up a new backup drive without me having to do
# a lot of annex setting up (maybe a function: gitannexbk, or just
# auto-detect (better)). We can init the annex and put it in the
# archive or backup group so we get a sensible default preferred
# content expression (and need to git remote add in $HOME)
# determine removable media available and if it's m3, sync annex content
# TODO do this by looking at size of removable media?
if mount | grep -q "/media/${USER}/m3"; then
HDD=/media/${USER}/m3
status syncing annex content
# we sync both ma and m3 here so that ma knows everything that got
# put onto m3
cd $HOME/lib/annex
git annex sync --content origin m3
cd $HOME/lib/wikiannex
git annex sync --content origin athena m3
# TODO
# cd $HOME/lib/dionysus
# git annex sync --content m3
cd $HOME
elif mount | grep -q "/media/${USER}/bkupsd"; then
HDD=/media/${USER}/bkupsd
status syncing wikiannex content
cd $HOME/lib/wikiannex
git annex sync --content origin athena bkupsd
status syncing dionysus annex content
cd $HOME/lib/dionysus
git annex sync --content # origin athena bkupsd
cd $HOME
else
echo "coldbkup: removable media not mounted" >&2
exit 1
fi
DEST=${HDD}/git
mkdir -p $DEST
# function to backup a repo: first arg is ssh path to repo, second arg
# is where to put it
gitbk ()
{
local long=$1
local short=$(basename $long)
local dest=$2
if [ -e "$dest/$short" ]; then
cd $dest/$short
git fetch origin "+refs/heads/*:refs/heads/*" --prune --tags
else
mkdir -p $dest
cd $dest
git clone --mirror $long $short
fi
}
# backup a repo from github
githubbk ()
{
status processing $1 from github
gitbk git@github.com:$1 $DEST/github
}
# backup a repo from alioth
aliothbk ()
{
status processing $1 from alioth
gitbk alioth:/git/$1 $DEST/alioth
}
# Stage 1 : Backup repos hosted on athena
# TODO: don't use ls here (see http://mywiki.wooledge.org/ParsingLs)
repos=$(ssh athena ls /home/git)
for repo in $repos; do
status processing $repo from athena
# TODO look in git-remote-gcrypt to find how it detects a gcrypt
# repo; there must be a way
if [ "$repo" = "priv.git" -o "$repo" = "annex.git" -o "$repo" = "rt.git" ]; then
# might need a ssh:// and a /~/ in here to work with gcrypt
gitbk gcrypt::git@spwhitton.name:/home/git/$repo $DEST/athena
else
gitbk git@spwhitton.name:/home/git/$repo $DEST/athena
fi
done
# Stage 2 : Debian repos
aliothbk pkg-emacsen/pkg/aggressive-indent-mode.git
aliothbk pkg-emacsen/pkg/f-el.git
aliothbk pkg-emacsen/pkg/emacs-async.git
aliothbk pkg-emacsen/pkg/emacs-noflet.git
aliothbk pkg-emacsen/pkg/perspective-el.git
aliothbk pkg-emacsen/pkg/helm.git
aliothbk pkg-emacsen/pkg/epl.git
aliothbk pkg-emacsen/pkg/pkg-info-el.git
aliothbk pkg-emacsen/pkg/flx.git
aliothbk pkg-emacsen/pkg/projectile.git
aliothbk pkg-emacsen/pkg/let-alist.git
aliothbk pkg-emacsen/pkg/seq-el.git
aliothbk pkg-emacsen/pkg/shut-up.git
aliothbk pkg-emacsen/pkg/popup-el.git
aliothbk pkg-emacsen/pkg/paredit-el.git
aliothbk pkg-mozext/ublock-origin.git
aliothbk pkg-mozext/y-u-no-validate.git
aliothbk pkg-mozext/classic-theme-restorer.git
aliothbk pkg-emacsen/pkg/flycheck.git
aliothbk pkg-mozext/keysnail.git
# Stage 3 : Starred repos on github
# TODO Commented as downloading so many forks will be slow. Maybe run
# it on athena instead?
# (
# cd $DEST/github
# github-backup spwhitton
# )
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