Vendor cgminer source, patch for SHA256, update installer

install.sh

@@ -32,16 +32,15 @@ touch /etc/authbind/byport/80
 chmod 500 /etc/authbind/byport/80
 chown $USER /etc/authbind/byport/80
 
-# 2. Cgminer Installation (dtbartle fork for Gridseed GC3355)
-if [ ! -f "/usr/local/bin/cgminer" ]; then
-    echo "Compiling and installing cgminer for Gridseed..."
-    cd /tmp
-    rm -rf cgminer-gc3355
+# 2. Cgminer Installation (Patched local version)
+if [ ! -f "/usr/local/bin/cgminer" ] || [ "$1" == "--reinstall-cgminer" ]; then
+    echo "Compiling and installing cgminer for Gridseed (Local Source)..."
     
-    git clone https://github.com/dtbartle/cgminer-gc3355.git
-    cd cgminer-gc3355
+    # Copy source to temp for building to keep repo clean
+    cp -r "$SCRIPT_DIR/src/cgminer-gc3355" /tmp/cgminer-build
+    cd /tmp/cgminer-build
     
-    # Fix for modern GCC (10+) defaulting to -fno-common which breaks old codebases
+    # Fix for modern GCC (10+) defaulting to -fno-common
     export CFLAGS="-fcommon -O2"
     
     if [ -f "./autogen.sh" ]; then
@@ -51,14 +50,16 @@ if [ ! -f "/usr/local/bin/cgminer" ]; then
     fi
     
     # Explicitly link pthread if needed, though usually handled by configure
+    # Enable scrypt AND gridseed. The patch in driver-gridseed.c ensures
+    # that scrypt commands are only sent if --scrypt is active.
     ./configure --enable-gridseed --enable-scrypt --without-curses
     
     make
     make install
     cd ..
-    rm -rf cgminer-gc3355
+    rm -rf /tmp/cgminer-build
 else
-    echo "cgminer found, skipping compilation."
+    echo "cgminer found, skipping compilation. Use --reinstall-cgminer to force."
 fi
 
 # 2.1 Setup USB Permissions (udev rules)