merge imset9.sh into guide repo directly

Author: danny8376

docs/_include/ish-chorus.md

@@ -1,6 +1,6 @@
 1. Copy the following command:
     ```
-    wget -O - https://imset9.686178.xyz | sh
+    wget -O - https://3ds.hacks.guide/assets/imset9.sh | sh
     ```
     + Tap on the box above and a Copy icon should appear
 1. Open the iSH application

docs/public/assets/imset9.sh

@@ -0,0 +1,100 @@
+#!/bin/sh
+
+# ================================================================================
+# You're not supposed to open this link directly
+# Please run the following command according to the app you use
+# -------- iSH --------
+# wget -O - https://3ds.hacks.guide/assets/imset9.sh | sh
+# ------ a-Shell ------
+# sh -c 'curl -sL -o imset9.sh https://3ds.hacks.guide/assets/imset9.sh && sh imset9.sh ; rm imset9.sh'
+# ================================================================================
+
+OGPWD="$PWD"
+PLATFORM=$(uname)
+MACHINE=$(uname -m)
+RELEASE=$(uname -r)
+ENV=unknown
+if [ "$PLATFORM" = "Linux" ] && [ "$MACHINE" = "i686" ] && echo "$RELEASE" | grep -q -- '-ish$'; then
+    ENV=ish
+fi
+if [ "$PLATFORM" = "Darwin" ] && echo "$MACHINE" | grep -q '^i\(Pod\|Phone\|Pad\)'; then
+    ENV=ashell
+fi
+
+if [ "$ENV" = "unknown" ]; then
+    echo "This is only for iSH or a-Shell on iOS/iPadOS."
+    exit 1
+fi
+
+case $ENV in
+    "ish")
+        command -v python3 >/dev/null || apk add python3
+        if ! command -v python3 >/dev/null; then
+            echo "Failed to install python3, either try again or install manually."
+            exit 1
+        fi
+        ;;
+    "ashell")
+        true
+        ;;
+esac
+
+case $ENV in
+    "ish")
+        MOUNT=$(mktemp -d)
+        mount -t ios - "$MOUNT"
+        sleep 1
+        cd "$MOUNT"
+        ;;
+    "ashell")
+        if ! echo "$PWD" | grep -Fq "com.apple.filesystems.userfsd"; then
+            pickFolder
+        fi
+        ;;
+esac
+
+if [ ! -f b9 ] || [ ! -f mset9.py ]; then
+    echo "Downloading MSET9 files..."
+    ZIP_API_URL="https://api.github.com/repos/hacks-guide/MSET9/releases/latest"
+    case $ENV in
+        "ish")
+            # works...?
+            #wget -O MSET9.zip $(wget -O - $ZIP_API_URL | grep -o '"https://github\.com/.\+/releases/download/.\+/.\+\.zip"' | tr -d '"')
+            # probably better
+            wget -O MSET9.zip $(wget -O - $ZIP_API_URL | python3 -c 'import json,sys;print(json.loads(sys.stdin.read())["assets"][0]["browser_download_url"])')
+            ;;
+        "ashell")
+            # ashell have jq by default
+            curl -sL -o MSET9.zip $(curl -sL $ZIP_API_URL | jq -r '.assets[0].browser_download_url')
+            ;;
+    esac
+    python3 -m zipfile -e MSET9.zip .
+    rm MSET9.zip
+    if [ ! -f b9 ] || [ ! -f mset9.py ]; then
+        echo "Unable to download MSET9 files automatically, please get them manually."
+        exit 1
+    fi
+fi
+
+clear
+case $ENV in
+    "ish")
+        # workaround for piped script
+        python3 mset9.py </dev/tty
+        ;;
+    "ashell")
+        # no permission to /dev/tty
+        python3 mset9.py
+        ;;
+esac
+
+case $ENV in
+    "ish")
+        cd "$OGPWD"
+        umount "$MOUNT"
+        rmdir "$MOUNT"
+        ;;
+    "ashell")
+        true
+        ;;
+esac