.local/bin/README.org now source file for askpass and rofiemoji
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#+TITLE: Phundrak’s executable scripts
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#+AUTHOR: Lucien "Phundrak” Cartier-Tilet
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#+EMAIL: phundrak@phundrak.fr
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#+OPTIONS: H:4 broken_links:mark email:t ^:{} auto-id:t
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# ### LaTeX ####################################################################
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#+LATEX_CLASS: conlang
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#+LaTeX_CLASS_OPTIONS: [a4paper,twoside]
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#+LATEX_HEADER_EXTRA: \usepackage{tocloft} \setlength{\cftchapnumwidth}{3em}
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#+LATEX_HEADER_EXTRA: \usepackage{xltxtra,fontspec,xunicode,svg}
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#+LATEX_HEADER_EXTRA: \usepackage[total={17cm,24cm}]{geometry}
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#+LATEX_HEADER_EXTRA: \setromanfont{Charis SIL}
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#+LATEX_HEADER_EXTRA: \usepackage{xcolor}
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#+LATEX_HEADER_EXTRA: \usepackage{hyperref}
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#+LATEX_HEADER_EXTRA: \hypersetup{colorlinks=true,linkbordercolor=red,linkcolor=blue,pdfborderstyle={/S/U/W 1}}
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#+LATEX_HEADER_EXTRA: \usepackage{multicol}
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#+LATEX_HEADER_EXTRA: \usepackage{indentfirst}
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#+LATEX_HEADER_EXTRA: \sloppy
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# ### HTML #####################################################################
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#+HTML_DOCTYPE: html5
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#+HTML_HEAD_EXTRA: <meta name="description" content="Phundrak's executable scripts" />
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#+HTML_HEAD_EXTRA: <meta property="og:title" content="Phundrak's executable scripts" />
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#+HTML_HEAD_EXTRA: <meta property="og:description" content="Phundrak’s executable scripts explained" />
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#+HTML_HEAD_EXTRA: <script src="https://kit.fontawesome.com/4d42d0c8c5.js"></script>
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#+HTML_HEAD_EXTRA: <script src="https://cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js"></script>
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#+HTML_HEAD_EXTRA: <link rel="shortcut icon" href="https://cdn.phundrak.fr/img/mahakala-128x128.png" type="img/png" media="screen" />
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#+HTML_HEAD_EXTRA: <link rel="shortcut icon" href="https://cdn.phundrak.fr/img/favicon.ico" type="image/x-icon" media="screen" />
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#+HTML_HEAD_EXTRA: <meta property="og:image" content="https://cdn.phundrak.fr/img/rich_preview.png" />
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#+HTML_HEAD_EXTRA: <meta name="twitter:card" content="summary" />
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#+HTML_HEAD_EXTRA: <meta name="twitter:site" content="@phundrak" />
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#+HTML_HEAD_EXTRA: <meta name="twitter:creator" content="@phundrak" />
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#+HTML_HEAD_EXTRA: <style>.org-svg{width:auto}</style>
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#+INFOJS_OPT: view:info toc:1 home:https://phundrak.fr/ toc:t
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#+HTML_HEAD_EXTRA: <link rel="stylesheet" href="https://langue.phundrak.fr/css/htmlize.min.css"/>
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#+HTML_HEAD_EXTRA: <link rel="stylesheet" href="https://langue.phundrak.fr/css/main.css"/>
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#+HTML_HEAD_EXTRA: <script src="https://langue.phundrak.fr/js/jquery.min.js"></script>
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#+HTML_HEAD_EXTRA: <script defer src="https://langue.phundrak.fr/js/main.js"></script>
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* Table of Contents :TOC_4_gh:noexport:
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:PROPERTIES:
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:CUSTOM_ID: h-400070eb-725f-4416-a4c6-da3053df750b
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:END:
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- [[#presentation][Presentation]]
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- [[#askpass][Askpass]]
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- [[#emoji-picker][Emoji picker]]
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- [[#rofimount][Rofimount]]
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- [[#get-the-mountable-elements][Get the mountable elements]]
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- [[#get-the-drive-to-mount][Get the drive to mount]]
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- [[#mount-a-usb-drive-hard-drive-or-partition][Mount a USB drive, hard drive or partition]]
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* Presentation
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:PROPERTIES:
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:CUSTOM_ID: h-309d8596-c35e-4700-a174-13f40884940d
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:END:
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This file will present all the executable scripts I wrote. It is also their
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original source code, all the following code snippets are exported and tangled
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from this file to the actual executables.
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Please do not forget to run the following before tangling files from this file
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to make sure the tangled files will be executables.
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#+begin_src emacs-lisp :exports code
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(defun phundrak/make-tangled-files-executable ()
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(set-file-modes (buffer-file-name) #o755))
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(add-hook 'org-babel-post-tangle-hook 'phundrak/make-tangled-files-executable)
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#+end_src
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#+RESULTS:
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| phundrak/make-tangled-files-executable |
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* Askpass
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:PROPERTIES:
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:CUSTOM_ID: h-b2bef089-69e3-4efb-ac2f-a5eb6a3a80e8
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:HEADER-ARGS: :tangle askpass :exports code
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:END:
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Askpass is a simple script that invokes =rofi= as a way to get from a GUI the
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user’s sudo password. It is inspired by [[https://github.com/ODEX-TOS/tools/blob/master/rofi/askpass][this original tool]], rewritten in fish
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and with [[https://wiki.archlinux.org/index.php/Rofi][rofi]] support instead of [[https://wiki.archlinux.org/index.php/Dmenu][dmenu]]. As you can see, this is a oneliner if
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we ignore the initial shebang. This executable is pointed at by the
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#+BEGIN_SRC fish :exports code
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#!/usr/bin/fish
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rofi -dmenu -font 'DejaVu Sans 10' -password -no-fixed-num-lines \
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-p (printf $argv[1] | sed s/://)
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#+END_SRC
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* Emoji picker
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:PROPERTIES:
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:CUSTOM_ID: h-477cd486-c9a6-4d59-bd9d-62d8f08ee62d
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:HEADER-ARGS: :tangle rofiemoji :exports code
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:END:
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The emoji picker is a simple fish script that uses rofi and
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[[file:~/.config/emoji.txt][~/.config/emoji.txt]] to provide a small, local search for emojis. Once the
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emoji is selected, it is copied to the clipboard using =xclipboard=.
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#+BEGIN_SRC fish
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#!/usr/bin/fish
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grep -v "#" ~/.config/emoji.txt | rofi -dmenu -i | awk '{print $1}' | tr -d '\n' | xclip -selection clipboard
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#+END_SRC
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Also, let’s send a notification telling the user the emoji has been copied!
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#+BEGIN_SRC fish
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set emoji (xclip -o -selection clipboard | tr -d '\n')
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set -a emoji "copied to clipboard"
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pgrep -x dunst >/dev/null && notify-send $emoji
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#+END_SRC
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It is inspired from [[https://www.youtube.com/watch?v=UCEXY46t3OA][this video]] from [[https://lukesmith.xyz/][Luke Smith]], rewritten in Fish.
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* Rofimount
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:PROPERTIES:
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:HEADER-ARGS: :tangle rofimount :exports code
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:CUSTOM_ID: h-32ee4a66-e7fb-4abf-a168-fa259efdb1f4
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:END:
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=rofimount= is a script inspired by [[https://github.com/ihebchagra/dotfiles/blob/master/.local/bin/dmount][this one]], based on dmenu, which
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interactively asks the user what to mount, and where to mount it. What I did
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was replace dmenu with rofi, and fix a couple of bugs I encountered in the
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original script.
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** Get the mountable elements
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:PROPERTIES:
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:CUSTOM_ID: h-2307005f-385e-4149-b885-55e699c822bb
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:END:
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#+BEGIN_SRC fish
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begin
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#+END_SRC
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What the script does first is detect everything that can be mounted. Between
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a =begin= and =end=, let’s set =LFS= as a local variable. This si in order to
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get sane variables in the current block.
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#+BEGIN_SRC fish
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set -l LFS
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#+END_SRC
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Now, let’s detect the amount of mountable Android filesystems, and if any are
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detected, let’s read them into a global variable.
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#+BEGIN_SRC fish
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set -l a (math (jmtpfs -l | wc -l) - 2)
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test $a -ge 0 && jmtpfs -l 2> /dev/null | tail -n $a | read -zg anddrives
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#+END_SRC
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We’ll do the same for external and internal drives and partitions that can be
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mounted here.
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#+BEGIN_SRC fish
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lsblk -rpo "name,type,size,mountpoint" | \
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awk '$2=="part"&&$4==""{printf "%s (%s)\n",$1,$3}' | \
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read -zg usbdrives
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#+END_SRC
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Finally, we look for any CD drive that could be mounted on our device.
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#+BEGIN_SRC fish
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blkid /dev/sr0 | awk '{print $1}' | sed 's/://' | read -z cddrives
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#+END_SRC
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And that’s the end of our first block!
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#+BEGIN_SRC fish
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end
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#+END_SRC
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Alright, we’ll save what kind on drives we can mount in a temporary file
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called =/tmp/drives=. We’ll make sure it’s blank by erasing it then creating
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it again with =touch=, like so. The =-f= flag on =rm= is here so we get no
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error if we try to delete a file that doesn’t exist (yet).
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#+BEGIN_SRC fish
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set -g TMPDRIVES /tmp/drives
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rm -f $TMPDRIVES
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touch $TMPDRIVES
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#+END_SRC
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Now, let’s write what type of drives we can mount in this temporary file.
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#+BEGIN_SRC fish
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test -n "$usbdrives" && echo "USB" >> /tmp/drives
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test -n "$cddrives" && echo "CD" >> /tmp/drives
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test -n "$anddrives" && echo "Android" >> /tmp/drives
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#+END_SRC
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Now, we want to declare where to look for mount directories. For now, we’ll
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only look in =/mnt=, but you can add more if you wish.
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#+BEGIN_SRC fish
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set -g basemount /mnt
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#+END_SRC
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** Get the drive to mount
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:PROPERTIES:
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:CUSTOM_ID: h-a17825bd-96e2-4c90-99ef-b0f2895cffb6
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:END:
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Now, let’s declare a function that will allow us to chose the drive we want
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to mount.
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#+BEGIN_SRC fish
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function getmount
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#+END_SRC
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First, we want to get our mount point. We’ll run a =find= command on each of
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the directories listed in =$basemount= to look for folders on which our drive
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could be mounted. This list will be passed to rofi from which we will chose
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our mount point.
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#+BEGIN_SRC fish
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set -g mp (for d in $basemount
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find $d -maxdepth 5 -type d
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end | rofi -dmenu -i -p 'Type in mount point.')
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#+END_SRC
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We should verify that something has been actually selected, otherwise we
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should abort the script.
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#+BEGIN_SRC fish
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if test -z $mp || test $mp = ""
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return 1
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end
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#+END_SRC
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Now, if the selected mount point does not exist, we’ll ask the user whether
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the directory should be created. If no, the script will abort. If yes, an
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attempt will be made at creating the directory as the user; if that fails, a
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new attempt will be made as sudo.
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#+BEGIN_SRC fish
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if test ! -d $mp
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switch (printf "No\\nYes" | rofi -dmenu -i -p "$mp does not exist. Create it?")
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case 'Yes'
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mkdir -p $mp || sudo -A mkdir -p $mp
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case '*'
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return 1
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end
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end
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#+END_SRC
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Finally, let’s close the function
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#+BEGIN_SRC fish
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end
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#+END_SRC
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** Mount a USB drive, hard drive or partition
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:PROPERTIES:
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:CUSTOM_ID: h-72781187-ebf2-418c-99b3-bba44922fc60
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:END:
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Alright, we want to mount a partition that answers by the name of
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=/dev/sdXX=, how do we do that? Let’s create first the function =mountusb=
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that will take care of it for us.
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#+BEGIN_SRC fish
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function mountusb
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#+END_SRC
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Now, the first thing we want to do is select the partition we want to mount.
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Remember, we stored those in =$usbdrives= earlier, so let’s pipe them into
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rofi so we can chose from it. Also, =awk= will get their path in =/dev=.
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#+BEGIN_SRC fish
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set -g chosen (echo $usbdrives | rofi -dmenu -i -p "Mount which drive?" | awk '{print $1}')
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#+END_SRC
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As usual after a user selection, let’s verify something has actually been
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selected. If not, let’s abort the script.
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#+BEGIN_SRC fish
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test -z $chosen && return 1
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#+END_SRC
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Finally, let’s close the function.
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#+BEGIN_SRC fish
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end
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#+END_SRC
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@ -1,5 +1,3 @@
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#!/usr/bin/fish
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# Utility to ask password, to be used with dmount and dumount
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# inspired from https://github.com/ODEX-TOS/tools/blob/master/rofi/askpass
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rofi -dmenu -font 'DejaVu Sans 10' -password -no-fixed-num-lines -p "(printf "$1" | sed s/://)"
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rofi -dmenu -font 'DejaVu Sans 10' -password -no-fixed-num-lines \
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-p (printf $argv[1] | sed s/://)
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#!/usr/bin/fish
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grep -v "#" ~/.config/emoji.txt | rofi -dmenu -i | awk '{print $1}' | tr -d '\n' | xclip -selection clipboard
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set emoji (xclip -o -selection clipboard | tr -d '\n')
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set -a emoji "copied to clipboard"
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pgrep -x dunst >/dev/null && notify-send $emoji
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