update d2x offline ios script

assets/files/d2x_offline_ios.sh

@@ -1,9 +1,30 @@
 #!/usr/bin/env bash
 
 Sharpii_DL="https://noahpistilli.github.io/RC24_Patcher/Sharpii"
+
+epicfail () {
+	printf "
+\x1b[31mSorry, an error occured.\x1b[0m
+Here's what I know:
+
+At line $1:
+	$BASH_COMMAND
+
+\x1b[33mExit code: $2\x1b[0m
+
+Bother \x1b[1;32m@thepikachugamer\x1b[0m on Discord about this.
+
+"
+	exit
+}
+
+trap 'epicfail $LINENO $?' err
+set -o errtrace
+set -o pipefail
+
 case $(uname -m),$(uname) in
- 	x86_64,Darwin|arm64,Darwin)
+	x86_64,Darwin|arm64,Darwin)
- 		sys="macOS-x64";;
+		sys="macOS-x64";;
 	x86_64,*)
 		sys="linux-x64";;
 	aarch64,*)
@@ -11,44 +32,46 @@ case $(uname -m),$(uname) in
 	*,*)
 		sys="linux-arm";;
 	x86_32,*)
-        	printf "The x86_32 architecture is not supported by Sharpii."
+		printf "The x86_32 architecture is not supported by Sharpii.\n"
-    		exit;;
+		exit;;
 esac
 
 download_ios () {
-	printf "Downloading IOS${1}...\r"
+	if [[ -f "ios/IOS${1}-64-v${2}.wad" ]]; then
-	./Sharpii nusd -ios ${1} -v ${2} -wad -o ios/IOS${1}-64-v${2}.wad -q > /dev/null
+		printf " * IOS${1} appears to be downloaded already...\n"
+		return
+	fi
+	printf "Downloading IOS${1}...\n"
+	./Sharpii nusd -ios ${1} -v ${2} -wad -o ios/IOS${1}-64-v${2}.wad &>/dev/null
 }
 
-if [[ -f "sharpii($sys)" ]]
+if [[ -f "sharpii($sys)" ]]; then mv "sharpii($sys)" "Sharpii"; fi
-then
-	mv "sharpii($sys)" "Sharpii"
-fi
 
-if ! [[ -f "Sharpii" ]]
+if ! [[ -f "Sharpii" ]]; then
-then
+	if ! command -v curl &> /dev/null; then
-	if ! command -v curl &> /dev/null
+		printf >&2 "Cannot find Sharpii nor curl to try download it.\n\n"
-	then
+		printf >&2 "Either install curl with your package manager, or manually download it from $Sharpii_DL/sharpii($sys) .\n"
-		echo >&2 $"Cannot find Sharpii nor curl to try download it.
-
-Either install curl with your package manager, or manually download it from $Sharpii_DL/sharpii($sys) ."
 		exit
 	else
+		printf "Downloading Sharpii...\n"
 		curl -f -s -o "Sharpii" "$Sharpii_DL/sharpii($sys)"
 	fi
-	
 fi
-chmod +x Sharpii 2> /dev/null
+if ! [[ -x "Sharpii" ]]; then chmod +x Sharpii 2> /dev/null; fi
-mkdir ios 2> /dev/null
+
-echo "This script downloads the 4 IOS WADs at wii.guide/cios mentioned at Section I."
+mkdir -p ios
+printf "This script downloads the 4 IOS WADs at wii.guide/cios mentioned at Section I.\n"
 sleep 1
 download_ios 38 4123
 download_ios 56 5661
 download_ios 57 5918
 download_ios 58 6175
-echo "
 
-There should be an ios folder in $(pwd). 
+printf "\n\x1b[1;34mAll done!\x1b[0m\n"
-Move the four WAD files in it to the root of the device
+if [[ -f "d2x_offline_ios.sh" ]]; then
-that contains the d2x-cIOS-installer."
+	printf "There should be an ios folder located next to this script.\n"
+else
+	printf "There should be an ios folder located in $(pwd).\n"
+fi
+printf "Move the four WAD files in it to the root of the device \nthat contains the d2x-cIOS-installer.\n\n"