add IRS detection

Just apply the VDC detection logic to IRS files.
* MAGIC * 👀

Author: programminghoch10

README.md

@@ -39,9 +39,13 @@ It contains many useability enhancements and all the major fixes needed to run `
   This installer automatically disables [`LineageOS AudioFX`](https://github.com/LineageOS/android_packages_apps_AudioFX) during install and also reenables it during uninstall.
 * **To AML or not to AML** \
   [`Audio Modification Library`](https://github.com/Magisk-Modules-Repo/aml) is not included, but is usually not needed either. But you can still combine `ViPER4Android` with other audio mods using [`Audio Modification Library`](https://github.com/Magisk-Modules-Repo/aml) if you want to.
-* **Automatic VDC import** \
-  If you have [bought a VDC file](https://t.me/vdcservice) which now lays in your Download directory, you don't have to copy it over manually.
-  The installer automatically finds and copies them to the correct place for `ViPER4Android` to find them and you to enjoy the audiophile feeling.
+* **Automatic VDC and IRS import** \
+  If you have [bought a VDC file](https://t.me/vdcservice) or downloaded an IRS file 
+  which now lays in your Download directory, 
+  you don't have to copy it over manually.
+  The installer automatically finds and copies them to the correct place 
+  for `ViPER4Android` to find them 
+  and for you to enjoy the audiophile feeling.
 * **Original DDCs included** \
   If you have not yet bought a VDC file, this installer will automatically install all original `ViPER4Android` DDC files for you to enjoy them until you notice you can [buy even better ones](https://t.me/vdcservice).
 * **IRS ([tax](https://www.youtube.com/results?search_query=kitboga+irs+scammer)) included** \

magiskmodule/customize.sh

@@ -6,6 +6,7 @@ VIPERFXPACKAGE="com.pittvandewitt.viperfx"
 SDCARD="/storage/emulated/0"
 FOLDER="$SDCARD/Android/data/$VIPERFXPACKAGE/files"
 VIPERVDCFILE="ViperVDC.tar.gz"
+VIPERIRSFILE="ViperIRS.tar.gz"
 
 IFS=$'\n'
 SEARCH_ROOT="$(magisk --path)/.magisk/mirror"/
@@ -46,14 +47,32 @@ if $CUSTOM_VDC_FOUND; then
   done
 fi
 
-if [ -z "$(ls "$FOLDER"/Kernel 2>/dev/null)" ]; then
+[ ! -f "$MODPATH"/"$VIPERIRSFILE" ] && abort "Missing $VIPERIRSFILE"
+mkdir -p "$FOLDER"/Kernel
+CUSTOM_IRS_FILES=$(find $SDCARD -name '*.irs' -not -path "$SDCARD/Android/*")
+[ -n "$CUSTOM_IRS_FILES" ] && CUSTOM_IRS_FOUND=true || CUSTOM_IRS_FOUND=false
+for file in $(tar -tzf "$MODPATH"/"$VIPERIRSFILE") $CUSTOM_IRS_FILES; do
+  file="$FOLDER"/Kernel/"$file"
+  [ -f "$file" ] && rm "$file"
+done
+[ -z "$(ls -A "$FOLDER"/Kernel 2>/dev/null)" ] && IRS_FOLDER_EMPTY=true || IRS_FOLDER_EMPTY=false
+if $IRS_FOLDER_EMPTY && ! $CUSTOM_VDC_FOUND; then
   ui_print "- Copying Viper IRS files"
   mkdir -p "$FOLDER"/Kernel 2>/dev/null
-  tar -xzf "$MODPATH"/ViperIRS.tar.gz -C "$FOLDER"/Kernel
+  tar -xzf "$MODPATH"/"$VIPERIRSFILE" -C "$FOLDER"/Kernel
 else
-  ui_print "- Skipping Viper IRS copy, folder is not empty"
+  ui_print "- Skipping Viper IRS copy"
+  ! $IRS_FOLDER_EMPTY && ui_print "    the folder is not empty"
+  $CUSTOM_IRS_FOUND && ui_print "    custom IRS files have been found"
+fi
+rm "$MODPATH"/"$VIPERIRSFILE"
+if $CUSTOM_IRS_FOUND; then
+  ui_print "- Copying custom IRS files"
+  for file in $CUSTOM_IRS_FILES; do
+    ui_print "    $file"
+    cp -f "$file" "$FOLDER"/Kernel
+  done
 fi
-rm "$MODPATH"/ViperIRS.zip 2>/dev/null
 
 ui_print "- Patching system audio files"
 LIBRARY_NAME="v4a_standard_fx"