fix(stm32CubeProg): Regression for non-Homebrew gnu-getopt on macOS

- Check for `brew` before testing prefix
- Restore previously hardcoded prefixes in case gnu-getopt was installed without Homebrew

Signed-off-by: Andrew Yong <me@ndoo.sg>

Author: ndoo

stm32CubeProg.sh

@@ -84,11 +84,15 @@ case "${UNAME_OS}" in
     if ! command -v $STM32CP_CLI >/dev/null 2>&1; then
       aborting
     fi
-    if ! command -v $(brew --prefix)/opt/gnu-getopt/bin/getopt >/dev/null 2>&1; then
+    if command -v brew >/dev/null 2>&1 && command -v $(brew --prefix)/opt/gnu-getopt/bin/getopt >/dev/null 2>&1; then
+      export PATH="$(brew --prefix)/opt/gnu-getopt/bin":"$PATH"
+    elif command -v /usr/local/opt/gnu-getopt/bin/getopt >/dev/null 2>&1; then
+      export PATH="/usr/local/opt/gnu-getopt/bin":"$PATH"
+    elif command -v /opt/homebrew/opt/gnu-getopt/bin/getopt >/dev/null 2>&1; then
+      export PATH="/opt/homebrew/opt/gnu-getopt/bin":"$PATH"
+    else
       echo "Warning: long options not supported due to getopt from FreeBSD usage."
       GNU_GETOPT=n
-    else
-      export PATH="$(brew --prefix)/opt/gnu-getopt/bin":"$PATH"
     fi
     ;;
   Windows*)