techguy16 · techguy16 · May 6, 2026
diff --git a/api b/api
@@ -166,6 +166,51 @@ search_apps() {
     fi
 }
 
+cache_categories() {
+    # $1 - apps dir
+    # $2 - include Pi-Apps?
+    yad --title="LinStore" \
+        --class="LinStore" \
+        --center --borders=10 \
+        --text "Generating app cache..." \
+        --no-buttons &
+
+    if [ -e "${1}/app_categories" ]; then 
+        rm -f "${1}/app_categories"
+    fi
+
+    for app_dir in "${1}"/*; do
+        app_name=$(basename "${app_dir}")
+        if [ -e "${1}/$app_name/category" ]; then
+            echo "$app_name|$(cat "${1}/$app_name/category")" >> "${1}/app_categories"
+        fi
+    done
+
+    if [[ "$2" == "TRUE" ]]; then
+        if [ -e "$HOME/pi-apps/etc/categories" ]; then
+            while IFS= read -r line; do
+                app_name=$(echo "$line" | awk -F'|' '{print $1}')
+                category=$(grep -r "$(echo "$line" | awk -F'|' '{print $2}')" etc/mapping | head -n1 | awk -F'|' '{print $2}')
+                echo "$app_name|$category" >> "${1}/app_categories"
+            done < "$HOME/pi-apps/etc/categories"
+        fi
+    fi
+
+    sort "${1}/app_categories" > "${1}/app_categories.tmp"
+    mv "${1}/app_categories.tmp" "${1}/app_categories"
+
+    pkill -f "yad*"
+}
+
+get_categories() {
+    cat etc/categories
+}
+
+get_apps_in_category() {
+    local category="$1"
+    grep "|$category$" etc/categories | cut -d'|' -f1
+}
+
 update() {
     pkill -f "yad*"
     ./api info "Updating LinStore..."

diff --git a/gui b/gui
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+source api
+
 APP_STORE_NAME="LinStore"
 APP_STORE_WIDTH=320
 APP_STORE_HEIGHT=600
@@ -74,71 +76,6 @@ list_piapps() {
     fi
 }
 
-read_categories() {
-    while read -r category; do
-        categories["$category"]=""
-    done <etc/categories
-
-    for app_dir in "${1}"/*; do
-        app_name=$(basename "${app_dir}")
-
-        if [ ! -e "${1}/$app_name/category" ]; then
-            escaped_app_name=$(echo "$app_name" | sed 's/([\/.^$*+?|{}\[])/\\&/g')
-            data=$(grep -E "$escaped_app_name" etc/piapps-categories | awk -F"|" '{print $2}')
-            if [ -n "$data" ]; then
-                data2=$(grep -E "$data" etc/mapping | awk -F"|" '{print $2}')
-                if [ -n "$data2" ]; then
-                    echo "$data2" > "${1}/$app_name/category"
-                    category_file="${1}/$app_name/category"
-                else
-                    continue
-                fi
-            else
-                continue
-            fi
-        fi
-
-        category_file="${1}/$app_name/category"
-        install_script="$app_dir/install"
-
-        # Check if the install script or architecture-specific install scripts exist for this app
-        if [ -e "$install_script" ]; then
-            while IFS= read -r app_in_category; do
-                # Make sure $app_in_category is not empty before accessing the array
-                if [ -n "$app_in_category" ]; then
-                    if [ -n "${categories[$app_in_category]}" ]; then
-                        categories["$app_in_category"]+=" $app_name"
-                        category_apps["$app_in_category"]+="|$app_name"
-                    else
-                        categories["$app_in_category"]="$app_name"
-                        category_apps["$app_in_category"]="$app_name"
-                    fi
-                fi
-                break
-            done <"$category_file"
-        else
-            architecture=$(cat ~/.linstore/architecture.txt)
-            install_script_arch="install-$architecture"
-
-            if [ -e "$app_dir/$install_script_arch" ]; then
-                while IFS= read -r app_in_category; do
-                    # Make sure $app_in_category is not empty before accessing the array
-                    if [ -n "$app_in_category" ]; then
-                        if [ -n "${categories[$app_in_category]}" ]; then
-                            categories["$app_in_category"]+=" $app_name"
-                            category_apps["$app_in_category"]+="|$app_name"
-                        else
-                            categories["$app_in_category"]="$app_name"
-                            category_apps["$app_in_category"]="$app_name"
-                        fi
-                    fi
-                    break
-                done <"$category_file"
-            fi
-        fi
-    done
-}
-
 get_app_description() {
     app_name="$1"
     description_file="apps/$app_name/description"
@@ -284,9 +221,12 @@ show_apps_in_category() {
         formatted_apps=()
         if [ "$1" == "All Apps" ]; then
             title="All Apps"
-            for app_dir in apps/*; do
-                app_name=$(basename "$app_dir")
-                if [ -e "$app_dir/install" ] || [ -e "$app_dir/install-$(cat ~/.linstore/architecture.txt)" ]; then
+            while IFS= read -r line; do
+                app_name=$(echo "$line" | awk -F'|' '{print $1}')
+                app_dir="apps/$app_name"
+                if [ -e "$app_dir/install" ] || [ -e "$app_dir/install-$(cat ~/.linstore/architecture.txt)" ] \
+                || [ -e "$HOME/pi-apps/apps/$app_name/install-$(cat ~/.linstore/architecture.txt)" ] \
+                || [ -e "$HOME/pi-apps/apps/$app_name/install" ]; then
                     app_icon="apps/$app_name/icon-24.png"
                     formatted_apps+=("$app_icon")
                     if [ -e "$HOME/.linstore/installscripts/$app_name" ]; then
@@ -295,22 +235,26 @@ show_apps_in_category() {
                         formatted_apps+=("$app_name")
                     fi
                 fi
-            done
+            done < "apps/app_categories"
         else
-            apps_in_category="${category_apps["$1"]}"
             title="Apps in $1 Category"
             #formatted_apps=()
 
-            IFS='|' read -r -a app_list <<<"$apps_in_category"
-            for app in "${app_list[@]}"; do
-                app_icon="apps/$app/icon-24.png"
-                formatted_apps+=("$app_icon")
-                if [ -e "$HOME/.linstore/installscripts/$app" ]; then
-                    formatted_apps+=("<span fgcolor=\"$ACCENT\">$app</span>")
-                else
-                    formatted_apps+=("$app")
+            while IFS= read -r line; do
+                [[ $(echo "$line" | awk -F'|' '{print $2}') == "$1" ]] || continue
+                app=$(echo "$line" | awk -F'|' '{print $1}')
+                if [ -e "apps/$app/install" ] || [ -e "apps/$app/install-$(cat ~/.linstore/architecture.txt)" ] \
+                || [ -e "$HOME/pi-apps/apps/$app/install-$(cat ~/.linstore/architecture.txt)" ] \
+                || [ -e "$HOME/pi-apps/apps/$app/install" ]; then
+                    app_icon="apps/$app/icon-24.png"
+                    formatted_apps+=("$app_icon")
+                    if [ -e "$HOME/.linstore/installscripts/$app" ]; then
+                        formatted_apps+=("<span fgcolor=\"$ACCENT\">$app</span>")
+                    else
+                        formatted_apps+=("$app")
+                    fi
                 fi
-            done
+            done < "apps/app_categories"
         fi
 
         GTK_THEME="${theme}" GDK_BACKEND=x11 $YAD_COMMAND --text "<big><b>$title</b></big>" --geometry=${APP_STORE_WIDTH}x${APP_STORE_HEIGHT}+${categoryPos}+${categoryPosY} --center --columns="2" \
@@ -330,13 +274,8 @@ show_apps_in_category() {
 }
 
 show_app_store() {
-    read_categories "apps"
-    if [[ "$use_piapps" == "TRUE" ]]; then
-        read_categories "/home/${USER}/pi-apps/apps"
-    fi
-
     # Sort categories alphabetically and format with newlines
-    sorted_categories=$(printf '%s\n' "${!categories[@]}" | sort)
+    sorted_categories=$(printf '%s\n' "$(get_categories)" | sort)
 
     list_items=()
     list_items=("images/categories/All Apps.png" "All Apps")
@@ -373,6 +312,10 @@ show_app_store() {
     fi
 }
 
+if [ ! -e apps/app_categories ]; then
+        cache_categories "apps" "$(list_piapps)"
+fi
+
 if [[ $1 == "" ]]; then
     ./api logo
     ./api buildinfo

diff --git a/settings b/settings
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+source api
+
 APP_STORE_DIRECTORY="apps"
 CATEGORIES_FILE="etc/categories"
 THEMES_DIRECTORY="/usr/share/themes"
@@ -139,6 +141,7 @@ show_settings() {
 
         import_from_piapps=$(echo "$fixed_settings" | awk -F '|' '{print $5}')
         echo $import_from_piapps > "etc/pi-apps-import"
+        cache_categories "apps" "$(cat "etc/pi-apps-import" 2> /dev/null || echo FALSE)"
 
         express_updates=$(echo "$fixed_settings" | awk -F '|' '{print $6}')
         echo $express_updates > "etc/express-updates"

diff --git a/update b/update
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+source api
+
 if [[ $(xrandr --current) =~ "connected primary" ]]; then
     resolution=$(xrandr --current | grep " connected primary" | awk '{print $4}' | cut -d'+' -f1)
 else
@@ -33,6 +35,9 @@ check_for_updates() {
         mv ~/.linstore/tmp/apps ./apps
         sleep 1
 
+        echo '# Update app cache'
+        cache_categories "apps" "$(cat "etc/pi-apps-import" 2> /dev/null || echo FALSE)"
+
         # Clean up
         # rm -rf ~/.linstore/tmp
         echo "# Finished"