swadhinbiswas Initial de-omarchy: Omarchy UI layer for Arch-based distros · 8/22/2026
9f393b2
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#!/bin/bash
# omarchy:summary=Create a desktop launcher for a web app
# omarchy:args=[name url icon-url-or-name [custom-exec] [mime-types]]
set -e
ICON_DIR="$HOME/.local/share/icons/hicolor/256x256/apps"
safe_icon_name() {
printf '%s\n' "$1" \
| tr '[:upper:]' '[:lower:]' \
| sed 's/[^[:alnum:]]\+/-/g; s/^-//; s/-$//'
}
icon_name_from_ref() {
local ref="$1"
local name
name=$(basename "$ref")
if [[ $name == *.* ]]; then
safe_icon_name "${name%.*}"
else
printf '%s\n' "$name"
fi
}
install_user_icon() {
local source="$1"
local name="$2"
local ext="${source##*.}"
[[ $ext == "$source" ]] && ext="png"
mkdir -p "$ICON_DIR"
cp "$source" "$ICON_DIR/$name.$ext"
gtk-update-icon-cache "$HOME/.local/share/icons/hicolor" &>/dev/null || true
printf '%s\n' "$name"
}
download_icon() {
curl -fsSL --max-time 10 -o "$2" "$1" 2>/dev/null &&
[[ -s $2 && $(file -b --mime-type "$2") == image/* ]]
}
fetch_site_icon() {
local site_url="$1" dest="$2"
local origin page icon_url
origin=$(sed -E 's|^(https?://[^/]+).*|\1|' <<<"$site_url")
# Prefer the site's own high-res icon (apple-touch-icon is typically 180px+),
# then the well-known path, then Google's favicon service as a last resort.
page=$(curl -fsSL --max-time 5 "$site_url" 2>/dev/null | head -c 100000 | tr '\n' ' ')
icon_url=$(grep -oiE "<link[^>]*rel=[\"'][^\"']*apple-touch-icon[^\"']*[\"'][^>]*>" <<<"$page" |
grep -oiE "href=[\"'][^\"']+" | head -1 | sed -E "s/^href=[\"']//")
case $icon_url in
http://* | https://*) ;;
//*) icon_url="https:$icon_url" ;;
/*) icon_url="$origin$icon_url" ;;
?*) icon_url="$origin/$icon_url" ;;
esac
{ [[ -n $icon_url ]] && download_icon "$icon_url" "$dest"; } ||
download_icon "$origin/apple-touch-icon.png" "$dest" ||
download_icon "https://www.google.com/s2/favicons?domain=${site_url}&sz=256" "$dest"
}
if (( $# < 3 )); then
echo -e "\e[32mLet's create a new web app you can start with the app launcher.\n\e[0m"
APP_NAME=$(gum input --prompt "Name> " --placeholder "My favorite web app")
APP_URL=$(gum input --prompt "URL> " --placeholder "https://example.com")
if [[ ! $APP_URL =~ ^[a-zA-Z][a-zA-Z0-9+.-]*: ]]; then
APP_URL="https://$APP_URL"
fi
# Try to fetch the site's icon automatically first.
mkdir -p "$ICON_DIR"
ICON_VALUE=$(safe_icon_name "$APP_NAME")
if fetch_site_icon "$APP_URL" "$ICON_DIR/$ICON_VALUE.png"; then
gtk-update-icon-cache "$HOME/.local/share/icons/hicolor" &>/dev/null || true
ICON_REF="$ICON_VALUE"
else
ICON_REF=$(gum input --prompt "Icon URL/name> " --placeholder "Could not fetch favicon automatically. Enter PNG icon URL or icon name")
fi
CUSTOM_EXEC=""
MIME_TYPES=""
INTERACTIVE_MODE=true
else
APP_NAME="$1"
APP_URL="$2"
if [[ ! $APP_URL =~ ^[a-zA-Z][a-zA-Z0-9+.-]*: ]]; then
APP_URL="https://$APP_URL"
fi
ICON_REF="$3"
CUSTOM_EXEC="$4" # Optional custom exec command
MIME_TYPES="$5" # Optional mime types
INTERACTIVE_MODE=false
fi
# Ensure valid execution
if [[ -z $APP_NAME || -z $APP_URL ]]; then
echo "You must set app name and app URL!"
exit 1
fi
if [[ -z $ICON_REF ]]; then
ICON_VALUE=$(safe_icon_name "$APP_NAME")
mkdir -p "$ICON_DIR"
if ! fetch_site_icon "$APP_URL" "$ICON_DIR/$ICON_VALUE.png"; then
echo "Error: Failed to download icon."
exit 1
fi
gtk-update-icon-cache "$HOME/.local/share/icons/hicolor" &>/dev/null || true
elif [[ $ICON_REF =~ ^https?:// ]]; then
ICON_VALUE=$(safe_icon_name "$APP_NAME")
mkdir -p "$ICON_DIR"
if ! download_icon "$ICON_REF" "$ICON_DIR/$ICON_VALUE.png"; then
echo "Error: Failed to download icon."
exit 1
fi
gtk-update-icon-cache "$HOME/.local/share/icons/hicolor" &>/dev/null || true
elif [[ -f $ICON_REF ]]; then
ICON_VALUE=$(install_user_icon "$ICON_REF" "$(safe_icon_name "$APP_NAME")")
else
# Bundled Omarchy icons are package-owned under /usr/share/icons/hicolor.
# Accept either "HEY" or the historical "HEY.png" argument form.
ICON_VALUE=$(icon_name_from_ref "$ICON_REF")
fi
# Use custom exec if provided, otherwise default behavior
EXEC_COMMAND="${CUSTOM_EXEC:-omarchy-launch-webapp $APP_URL}"
# Create application .desktop file
DESKTOP_FILE="$HOME/.local/share/applications/$APP_NAME.desktop"
mkdir -p "$(dirname "$DESKTOP_FILE")"
cat >"$DESKTOP_FILE" <<EOF
[Desktop Entry]
Version=1.0
Name=$APP_NAME
Comment=$APP_NAME
Exec=$EXEC_COMMAND
Terminal=false
Type=Application
Icon=$ICON_VALUE
StartupNotify=true
EOF
# Add mime types if provided
if [[ -n $MIME_TYPES ]]; then
echo "MimeType=$MIME_TYPES" >>"$DESKTOP_FILE"
fi
chmod +x "$DESKTOP_FILE"
if [[ $INTERACTIVE_MODE == "true" ]]; then
echo -e "You can now find $APP_NAME using the app launcher (SUPER + SPACE)\n"
fi