This module maintains firefox home profile '~/.mozilla/firefox/abcd1234.default' in a tmpfs or zram backed filesystem to get a very responsive browser, with a tarball back up saved in '$HOME/.mozilla/firefox'.pull/683/head
tokiclover
10 years ago
parent
bf9dbfd5b9
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f5adeadb45
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Firefox home profile (fhp)
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======
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Maintains firefox home profile '$HOME/.mozilla/firefox/abcd1234.default' on Unix
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systems in a tmpfs or zram backed filesystem to get a very responsive browser,
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with a tarball back up saved in '$HOME/.mozilla/firefox'.
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Using a compressor like lz4 or lzo(p) make compression/decompression seamless,
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so no need to remove the autoload of the function. Although, it can be commented
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out to have a empty profile to start with, a 'fhp' command at the prompt will
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decompress the tarball instantenously with lz4/lzo(p).
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Settings
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--------
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This module can guess a profile to maintain by looking at the previous directory,
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by looking at the previous directory, however a user can set the following:
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zstyle ':prezto:module:firefox-profile' profile 'abcd1234'
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zstyle ':prezto:module:firefox-profile' compressor 'lzop -1'
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zstyle ':prezto:module:firefox-profile' zsh-hook 'yes'
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The second setting select a compressor to be used instead of default is 'lz4 -1'.
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The last setting add fhp function to zsh-exit-hook, so the profile will be saved
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or archived to be more precise before the shell exit.
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Optimizations
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-------
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Just make sure to have at least '/tmp' or your system TMPDIR in a tmpfs for the
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least to get any benefice of this script with something like:
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/etc/fstab: tmp /tmp tmpfs mode=1777,size=256M,noatime 0 0
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This will ensure very low latency when browsing the intertubes and removing the
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profile in the fly *really* remove any trace of your browsing history because
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everything is memory because firing up a 'fhp' command.
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### Zram baccked File System
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Aleternatively, one can pass a root directory in zram backed filesystem:
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zstyle ':prezto:module:firefox-profile' zramdir 'directory'
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### Auto-saving/Auto-start profile
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Of course, one can save a profile at regular time interval using a cron job or
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something similar.
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A profile can be auto-started by setting:
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zstyle ':prezto:module:firefox-profile' start-profile 'yes'
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Authors
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-------
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- [tokiclover](https://github.com/tokiclover)
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@ -0,0 +1,52 @@
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#
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# firefox home profile (fhp) module to maintain the profile
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# in a tmpfs or zram backed filesystem
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#
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# $Header: firefox-profile/functions/fhp Exp $
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# $Aythor: (c) 2011-2014 -tclover <tokiclover@gmail.com> Exp $
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# $License: MIT (or 2-clause/new/simplified BSD) Exp $
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# $Version: 3.0 2014/09/25 21:09:26 Exp $
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#
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function die {
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local ret=$?
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print -P " %F{red}*%f ${(%):-%1x}: $@" >&2
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return $ret
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}
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local compressor profile
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zstyle -s ':prezto:module:firefox-profile' profile 'profile'
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zstyle -s ':prezto:module:firefox-profile' compressor 'compressor'
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local ext=.tar.$compressor[(w)1]
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pushd -q "$HOME"/.mozilla/firefox || return
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if [[ -f $profile/.unpacked ]] {
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mv -f $profile{,.old}$ext
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if (( $? )) {
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die "failed to override the old tarball"
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return
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}
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tar -X $profile/.unpacked -Ocp $profile | $=compressor $profile$ext
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(( $? )) && die "failed to repack a new tarball"
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popd -q
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return
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}
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if [[ -f $profile$ext ]] {
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$compressor -cd $profile$ext | tar -xp && touch $profile/.unpacked
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(( $? )) && die "failed to unpack the profile"
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} elif [[ -f $profile.old$ext ]] {
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$compressor -cd $profile.old$ext | tar -xp && touch $profile/.unpacked
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(( $? )) && die "failed to unpack the profile"
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} else {
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die "no tarball found"
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}
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popd -q
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#
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# vim:fenc=utf-8:ft=zsh:ci:pi:sts=2:sw=2:ts=2:
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#
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#
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# Provide a cheap helper for temporary directory/file creation
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#
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# $Header: firefox-profile/functions/fhp Exp $
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# $Aythor: (c) 2011-2014 -tclover <tokiclover@gmail.com> Exp $
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# $License: MIT (or 2-clause/new/simplified BSD) Exp $
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# $Version: 0.2 2014/09/09 21:09:26 Exp $
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#
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function die {
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local ret=$?
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print -P " %F{red}*%f ${(%):-%1x}: $@" >&2
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return $ret
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}
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function usage {
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cat <<-EOH
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usage: mktmp [-d|-f] [-m <mode>] [-o <owner[:group]>] [-g <group>] TEMPLATE
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-d, --dir create a directory
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-f, --file create a file
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-o, --owner <name> owner naame
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-g, --group <name> group name
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-m, --mode <1700> octal mode
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-h, --help help/exit
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EOH
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return
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}
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test $# -ge 1 -a -n "$1" || return
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local type temp=-XXXXXX tmpdir=${TMPDIR:-/tmp}
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for (( ; $# > 1; ))
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case $1 {
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(-d|--dir)
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type=dir
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shift;;
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(-f|--file)
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type=file
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shift;;
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(-h|--help)
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usage;;
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(-m|--mode)
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local mode=$2
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shift 2;;
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(-o|--owner)
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local owner="$2"
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shift 2;;
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(-g|-group)
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local group="$2"
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shift 2;;
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(*)
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die "invalid argument $@"
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return;;
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}
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test -n "$1" -a "${1%$temp}" != "$1"
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if (( $? )) {
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die "invalid/null TEMPLATE"
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return
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}
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(( $+commands[uuidgen] )) && temp=$($commands[uuidgen] --random)
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local tmp="$tmpdir/${1%$temp}-$temp[1,6]"
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if [[ $type == "dir" ]] {
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mkdir -p ${mode:+-m$mode} "$tmp"
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if (( $? )) {
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die "failed to make $tmp"
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return
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}
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} else {
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mkdir -p "$tmp:h" && touch "$tmp"
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if (( $? )) {
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die "failed to make $tmp"
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return
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}
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(( $+mode )) && chmod $mode "$tmp"
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}
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(( $+owner )) && chown $owner "$tmp"
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(( $+group )) && chgrp $group "$tmp"
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print "$tmp"
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#
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# vim:fenc=utf-8:ft=zsh:ci:pi:sts=2:sw=2:ts=2:
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#
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@ -0,0 +1,87 @@
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#
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# firefox home profile (fhp) module to maintain the profile
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# in a tmpfs or zram backed filesystem
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#
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# $Header: firefox-profile/init.zsh Exp $
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# $Aythor: (c) 2011-2014 -tclover <tokiclover@gmail.com> Exp $
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# $License: MIT (or 2-clause/new/simplified BSD) Exp $
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# $Version: 2.0 2014/09/25 21:09:26 Exp $
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#
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setopt EXTENDED_GLOB
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setopt NULL_GLOB
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zstyle -s ':prezto:module:firefox-profile' profile 'profile'
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zstyle -s ':prezto:module:firefox-profile' compressor 'compressor'
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zstyle -b ':prezto:module:firefox-profile' zsh-hook 'zsh_hook'
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zstyle -s ':prezto:module:firefox-profile' zramdir 'zramdir'
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if [[ -z "$compressor" ]] {
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: ${compressor:=lz4 -1 -}
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zstyle ':prezto:module:firefox-profile' compressor "$compressor"
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}
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: ${profile:=${$(print $HOME/.mozilla/firefox/*.default(/)):t}}
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if [[ -z $profile ]] {
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unset compressor profile zramdir zsh_hook
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die "null firefox home profile"
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return
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}
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[[ ${profile%.default} == $profile ]] && profile+=.default
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zstyle ':prezto:module:firefox-profile' profile "$profile"
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if (( $zsh_hook )) {
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autoload -Uz add-zsh-hook
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add-zsh-hook zshexit fhp
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}
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# Initialize the temporary directory with an anonymous function
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function {
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local ext=.tar.$compressor[(w)1]
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local fhpdir="$HOME"/.mozilla/firefox/$profile
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: ${TMPDIR:=/tmp/$USER}
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[[ -n $zramdir ]] || [[ -d "$TMPDIR" ]] || mkdir -p -m1700 "$TMPDIR"
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if (( $? )) {
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die "no suitable directory found"
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return
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}
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mount | grep -q "$fhpdir" && return
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if [[ ! -f "$fhpdir$ext" ]] || [[ ! -f "$fhpdir.old$ext" ]] {
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pushd -q "$fhpdir:h" || return
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tar -Ocp $profile | $=compressor $profile$ext
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if (( $? )) {
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die "failed to pack a new tarball"
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return
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}
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popd -q
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}
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local mktmp=mktmp mntdir
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(( $+commands[mktemp] )) && mktmp=$commands[mktemp]
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[[ -n $zramdir ]] &&
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mntdir=$($mktmp -d "$zramdir"/fhp-XXXXXX) ||
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mntdir=$($mktmp -d "$TMPDIR"/fhp-XXXXXX)
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sudo mount --bind "$mntdir" "$fhpdir"
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if (( $? )) {
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die "failed to mount $mntdir"
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return
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}
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}
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# Finaly, start the firefox home profile
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#(( $+functions[fhp] )) || autoload -Uz fhp
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if zstyle -t ':prezto:module:firefox-profile' start-profile; then
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fhp
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fi
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unset compressor profile zramdir zsh_hook
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#
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# vim:fenc=utf-8:ft=zsh:ci:pi:sts=2:sw=2:ts=2:
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#
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