DMG Check dir fix

dmg-wrapper/SheepIt-Run.sh

@@ -1,9 +1,83 @@
 #!/bin/bash
 set -euo pipefail # Unofficial strict mode, see http://redsymbol.net/articles/unofficial-bash-strict-mode/
 
-cd "$(dirname "$(readlink -f "$0")")"
+cd "${0%/*}"
 # see https://stackoverflow.com/questions/3349105/how-can-i-set-the-current-working-directory-to-the-directory-of-the-script-in-ba
+
+# This is bash on macOS, some stuff works different
+BIN=""
+APP="SheepIt"
+LAUDIR="$HOME/Library/Application Support/SheepIt Launcher"
+ARCH="$(uname -m)"
+if [ "$ARCH" = "x86_64" ]; then
+    REPO="https://api.github.com/repos/adoptium/temurin11-binaries/releases"
+    JREDISTRO="OpenJDK11U-jre_x64_mac_hotspot"
+elif [ "$ARCH" = "arm64" ]; then
+    REPO="https://api.github.com/repos/adoptium/temurin17-binaries/releases"
+    JREDISTRO="OpenJDK17U-jre_aarch64_mac_hotspot"
+else
+    echo "What the fudge, what kind of Mac are you running ths under, PowerPC? Get outta here!"
+    exit 1
+fi
+echo "NOTICE:"
 echo "Please only pin the first window - the launcher to the Dock"
+if [ ! -e "./$APP" ]; then #If JRE exists in the dmg, don't download it
+    mkdir -p "$LAUDIR"
+    BIN="$LAUDIR/$APP"
+    JREVERSION="$LAUDIR/JRE-Version"
+    echo "Checking for JRE updates"
+    JRE_LATEST="$(curl --connect-timeout 20 --retry 4 --silent --show-error $REPO | grep $JREDISTRO | grep name | grep tar | grep -v json | grep -v txt | cut -d '"' -f 4 | head -n 1)"
+    if [ -z "$JRE_LATEST" ]; then
+        # Empty JRE_LATEST is a good indicator of a critical failure
+        echo "!!! Failed parsing JRE information! Aborting !!!"
+        echo "Possible causes and troubleshooting steps:"
+        echo "1. Check for internet connectivity \(Routes, DNS, Proxy\)"
+        echo "2. Github or the JRE repository may be down/unavailable."
+        echo "   This might require a new version of the launcher from the SheepIt website: https://www.sheepit-renderfarm.com/"
+        echo "3. Open an issue on GitLab/Ask on the Discord if problems persists after 1. and 2."
+        exit 4
+    elif [[ ! -f "$JREVERSION" || "$JRE_LATEST" != $(cat "$JREVERSION") ]]; then
+        echo "Updates detected, updating JRE to $JRE_LATEST"
+        rm -rf "$LAUDIR/jdk*" "$BIN" || true # The "|| true" is that we expect the command to fail (If there is nothing to remove), needed since we are running in strict mode
+        echo "$JRE_LATEST" > "$JREVERSION"
+        curl --connect-timeout 20 --retry 4 -# -L -o "$LAUDIR/$JRE_LATEST" "$(curl --connect-timeout 20 --retry 4 -s $REPO | grep $JREDISTRO | grep browser_download_url | grep tar | grep -v json | grep -v txt | cut -d '"' -f 4 | head -n 1)"
+        tar -xf "$LAUDIR/$JRE_LATEST" -C "$LAUDIR"
+        rm "$LAUDIR/$JRE_LATEST"
+        ln -s "$(find "$LAUDIR" -name java)" "$LAUDIR/$APP" # We symlink java to make the title appearing in the dock to read "SheepIt", not "java"
+    else
+        echo "No JRE updates detected"
+    fi
+else
+    BIN="./$APP"
+fi
+JAR="$APP.jar"
+if [  ! -e ./$JAR  ]; then #If Jar exists in the dmg, don't download it
+    URL=https://www.sheepit-renderfarm.com/media/applet/client-latest.php
+    if [ -e "$LAUDIR/JOINBETA" ]; then
+        URL=https://www.sheepit-renderfarm.com/media/applet/client-beta.php
+    fi
+    echo "Checking for $APP Jar updates"
+    JAR_LATEST="$(curl --connect-timeout 20 --retry 4 --silent --show-error --head $URL | grep -i content-disposition | cut -d '=' -f 2 | tr -ud '\r ')"
+    JAR="$LAUDIR/$JAR_LATEST"
+        if [ -z "$JAR_LATEST" ]; then
+            # Empty JAR_LATEST is a good indicator of a critical failure
+            echo "!!! Failed parsing $APP Jar information! Aborting !!!"
+            echo "Possible causes and troubleshooting steps:"
+            echo "1. Check for internet connectivity \(Routes, DNS, Proxy\)"
+            echo "2. Check the status of SheepIt via the SheepIt website: https://www.sheepit-renderfarm.com/"
+            echo "3. Open an issue on GitLab/Ask on the Discord if problems persists after 1. and 2."
+            exit 2
+        elif [ ! -e "$JAR" ]; then
+            echo "Updates detected, updating $APP Jar to $JAR_LATEST"
+            rm -f "$LAUDIR/sheepit-client*.jar" || true # The "|| true" is that we expect the command to fail (If there is nothing to remove), needed since we are running in strict mode
+            curl --connect-timeout 20 --retry 4 -# -L -o "$JAR" "$URL"
+        else
+            echo "No $APP Jar updates found"
+        fi
+else
+    JAR="./$JAR"
+fi
+
 echo "============================="
 echo "Loading and launching SheepIt"
 nohup "$BIN" -Xdock:icon=./$APP.png -Djna.nosys=true -jar "$JAR" &>/dev/null & disown