flutter doctor can't detect flutter version number used

[iqfareez]

Run

flutter doctor -v

Output

[!] Flutter (Channel master, 0.0.0-unknown, on Debian GNU/Linux 11 (bullseye) 5.15.0-1041-azure, locale en_US.UTF-8)
    ! Flutter version 0.0.0-unknown on channel master at /flutter
      Cannot resolve current version, possibly due to local changes.
      Reinstall Flutter by following instructions at https://flutter.dev/docs/get-started/install.
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 63a8298d4b (6 hours ago), 2023-07-01 13:36:10 -0500
    • Engine revision e6b8292705
    • Dart version 3.1.0 (build 3.1.0-262.0.dev)
    • DevTools version 2.25.0
    • If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly to perform update checks and upgrades.

[✗] Android toolchain - develop for Android devices
    ✗ Unable to locate Android SDK.
      Install Android Studio from: https://developer.android.com/studio/index.html
      On first launch it will assist you in installing the Android SDK components.
      (or visit https://flutter.dev/docs/get-started/install/linux#android-setup for detailed instructions).
      If the Android SDK has been installed to a custom location, please use
      `flutter config --android-sdk` to update to that location.


[✗] Chrome - develop for the web (Cannot find Chrome executable at google-chrome)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.

[✗] Linux toolchain - develop for Linux desktop
    ✗ clang++ is required for Linux development.
      It is likely available from your distribution (e.g.: apt install clang), or can be downloaded from https://releases.llvm.org/
    ✗ CMake is required for Linux development.
      It is likely available from your distribution (e.g.: apt install cmake), or can be downloaded from https://cmake.org/download/
    ✗ ninja is required for Linux development.
      It is likely available from your distribution (e.g.: apt install ninja-build), or can be downloaded from https://github.com/ninja-build/ninja/releases
    ✗ pkg-config is required for Linux development.
      It is likely available from your distribution (e.g.: apt install pkg-config), or can be downloaded from https://www.freedesktop.org/wiki/Software/pkg-config/

[!] Android Studio (not installed)
    • Android Studio not found; download from https://developer.android.com/studio/index.html
      (or visit https://flutter.dev/docs/get-started/install/linux#android-setup for detailed instructions).

[✓] Connected device (1 available)
    • Linux (desktop) • linux • linux-x64 • Debian GNU/Linux 11 (bullseye) 5.15.0-1041-azure

[✓] Network resources
    • All expected network resources are available.

! Doctor found issues in 5 categories.