[FL-3162] Moved ufbt to fbt codebase (#2520)

* scripts: moved ufbt code
* ufbt: fixed tool path
* ufbt: fixed linter/formatter target descriptions
* scripts: ufbt: cleanup
* fbt: moved fap launch target to tools; ufbt fixes
* fbt: fixed missing headers from SDK
* ufbt: removed debug output
* ufbt: moved project template to main codebase
* ufbt: fixed vscode_dist
* ufbt: path naming changes
* fbt: error message for older ufbt versions
* ufbt: docs fixes
* ufbt: fixed build dir location
* fbt: fixes for extapps objcopy
* fbt: extapps: removed extra debug output; fixed formatting
* ufbt: handle launch target for multiple known apps
* ufbt: dropping wrapper; linter fixes
* ufbt: fixed boostrap path
* ufbt: renamed entrypoint
* ufbt: updated vscode config
* ufbt: moved sconsign db location
* ufbt: fixed sconsign path
* fbt: SDK builders rework
* fbt: reworked sdk packaging
* ufbt: additional checks and state processing
* ufbt: fixed sdk state file location
* dist: not packaging pycache
* dump commit json content
* Github: more workflow debug prints
* Github: fix incorrect commit meta extraction in get_env.py
* ufbt, fbt: changed SConsEnvironmentError->StopError
* fbtenv: no longer needs SCRIPT_PATH pre-set
* ufbt: fixed sdk state check
* scripts: exception fixes for storage.py
* scripts: fbtenv: added FBT_TOOLCHAIN_PATH for on Windows for compat
* ufbt: app template: creating .gitkeep for images folder
* ufbt: app template: fixed .gitkeep creation
* docs: formatting fixes for AppManifests; added link to ufbt
* fbt: added link to PyPI for old ufbt versions
* sdk: fixed dir component paths

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

scripts/ufbt/site_init.py

@@ -0,0 +1,36 @@
+from SCons.Script import GetBuildFailures
+import SCons.Errors
+
+import atexit
+from ansi.color import fg, fx
+
+
+def bf_to_str(bf):
+    """Convert an element of GetBuildFailures() to a string
+    in a useful way."""
+
+    if bf is None:  # unknown targets product None in list
+        return "(unknown tgt)"
+    elif isinstance(bf, SCons.Errors.StopError):
+        return fg.yellow(str(bf))
+    elif bf.node:
+        return fg.yellow(str(bf.node)) + ": " + bf.errstr
+    elif bf.filename:
+        return fg.yellow(bf.filename) + ": " + bf.errstr
+    return fg.yellow("unknown failure: ") + bf.errstr
+
+
+def display_build_status():
+    """Display the build status.  Called by atexit.
+    Here you could do all kinds of complicated things."""
+    bf = GetBuildFailures()
+    if bf:
+        # bf is normally a list of build failures; if an element is None,
+        # it's because of a target that scons doesn't know anything about.
+        failures_message = "\n".join([bf_to_str(x) for x in bf if x is not None])
+        print()
+        print(fg.brightred(fx.bold("*" * 10 + " FBT ERRORS " + "*" * 10)))
+        print(failures_message)
+
+
+atexit.register(display_build_status)