Installing Obsidian (an advanced markdown editor) on Ubuntu

install-obsidian.sh

#!/usr/bin/env bash
# see https://forum.obsidian.md/t/gnome-desktop-installer/499

set -euo pipefail

icon_url="https://cdn.discordapp.com/icons/686053708261228577/1361e62fed2fee55c7885103c864e2a8.png"
#dl_url=${1:-}
dl_url=$( curl -s https://api.github.com/repos/obsidianmd/obsidian-releases/releases/latest  \
    | grep "browser_download_url.*AppImage" | tail -n 1 | cut -d '"' -f 4 )

if [[ -z "$dl_url" ]]; then
	echo "missing download link"
    echo "usage: install-obsidian.sh"
    exit 1
fi

curl --location --output Obsidian.AppImage "$dl_url"
curl --location --output obsidian.png "$icon_url"

sudo mkdir --parents /opt/obsidian/
sudo mv Obsidian.AppImage /opt/obsidian
sudo chmod u+x /opt/obsidian/Obsidian.AppImage
sudo mv obsidian.png /opt/obsidian
sudo ln -s /opt/obsidian/obsidian.png /usr/share/pixmaps

echo "[Desktop Entry]
Type=Application
Name=Obsidian
Exec=/opt/obsidian/Obsidian.AppImage
Icon=obsidian
Terminal=false" > ~/usr/share/applications/obsidian.desktop

update-desktop-database ~/usr/share/applications
echo "install ok"

jfui:

petro@petro-laptop:~/prod$ ./obsidian.sh 
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100 93.6M  100 93.6M    0     0  6278k      0  0:00:15  0:00:15 --:--:-- 7307k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  4473  100  4473    0     0  11294      0 --:--:-- --:--:-- --:--:-- 11324
[sudo] password for petro: 
ln: failed to create symbolic link '/usr/share/pixmaps/obsidian.png': File exists

Simple script to download and install Obsidian:

url=$(wget --inet4-only -O - "https://api.github.com/repos/obsidianmd/obsidian-releases/releases/latest" 2>/dev/null | grep --only-matching -m 1 "https.*obsidian.*deb")
wget --inet4-only "$url"
sudo dpkg --install obsidian*.deb