prezto/modules/browser-home-profile/functions/bhp

#
# firefox home profile (fhp) module to maintain the profile
# in a tmpfs or zram backed filesystem
#
# $Header: firefox-home-profile/functions/fhp            Exp $
# $Aythor: (c) 2012-2015 -tclover <tokiclover@gmail.com> Exp $
# $License: MIT (or 2-clause/new/simplified BSD)         Exp $
# $Version: 4.0 2015/05/05                               Exp $
#

function die {
	local ret=$?
	print -P " %F{red}%1x: %F{yellow}%U%I%u:%f $argv" >&2
	popd -q
	return $ret
}

local dir compressor profile tarball
zstyle -s ':prezto:module:FHP' profile 'profile'
zstyle -s ':prezto:module:FHP' compressor 'compressor'
local ext=.tar.$compressor[(w)1]

for dir ("$HOME"/.{,cache/}mozilla/firefox) {
	pushd -q "$dir" || continue
	if [[ -f $profile/.unpacked ]] {
		if [[ -f $profile$ext ]] {
			mv -f $profile{,.old}$ext ||
				{ die "Failed to override the old tarball"; continue; }
		}
		tar -X $profile/.unpacked -Ocp $profile | $=compressor $profile$ext ||
			die "Failed to repack a new tarball"
		popd -q
	} else {
		compressor=$compressor[(w)1]
		if [[ -f $profile$ext ]] {
			tarball=$profile$ext
		} elif [[ -f $profile.old$ext ]] {
			tarball=$profile.old$ext
		} else {
			die "No tarball found"
			continue
		}
		$compressor -cd $tarball | tar -xp && touch $profile/.unpacked ||
			die "Failed to unpack profile tarball"
		popd -q
	}
}

#
# vim:fenc=utf-8:ft=zsh:ci:pi:sts=2:sw=2:ts=2:
#