Add ability to remove temporary files during multibuild. (qmk#18381)

lib/python/qmk/cli/multibuild.py

@@ -28,6 +28,7 @@ def _is_split(keyboard_name):
     return True if 'SPLIT_KEYBOARD' in rules_mk and rules_mk['SPLIT_KEYBOARD'].lower() == 'yes' else False
 
 
+@cli.argument('-t', '--no-temp', arg_only=True, action='store_true', help="Remove temporary files during build.")
 @cli.argument('-j', '--parallel', type=int, default=1, help="Set the number of parallel make jobs; 0 means unlimited.")
 @cli.argument('-c', '--clean', arg_only=True, action='store_true', help="Remove object files before compiling.")
 @cli.argument('-f', '--filter', arg_only=True, action='append', default=[], help="Filter the list of keyboards based on the supplied value in rules.mk. Supported format is 'SPLIT_KEYBOARD=yes'. May be passed multiple times.")
@@ -77,11 +78,26 @@ def multibuild(cli):
 		|| {{ grep '\[WARNINGS\]' "{QMK_FIRMWARE}/.build/build.log.{os.getpid()}.{keyboard_safe}" >/dev/null 2>&1 && printf "Build %-64s \e[1;33m[WARNINGS]\e[0m\\n" "{keyboard_name}:{cli.args.keymap}" ; }} \\
 		|| printf "Build %-64s \e[1;32m[OK]\e[0m\\n" "{keyboard_name}:{cli.args.keymap}"
 	@rm -f "{QMK_FIRMWARE}/.build/build.log.{os.getpid()}.{keyboard_safe}" || true
-
 """# noqa
                 )
                 # yapf: enable
 
+                if cli.args.no_temp:
+                    # yapf: disable
+                    f.write(
+                        f"""\
+	@rm -rf "{QMK_FIRMWARE}/.build/{keyboard_safe}_{cli.args.keymap}.elf" 2>/dev/null || true
+	@rm -rf "{QMK_FIRMWARE}/.build/{keyboard_safe}_{cli.args.keymap}.map" 2>/dev/null || true
+	@rm -rf "{QMK_FIRMWARE}/.build/{keyboard_safe}_{cli.args.keymap}.hex" 2>/dev/null || true
+	@rm -rf "{QMK_FIRMWARE}/.build/{keyboard_safe}_{cli.args.keymap}.bin" 2>/dev/null || true
+	@rm -rf "{QMK_FIRMWARE}/.build/{keyboard_safe}_{cli.args.keymap}.uf2" 2>/dev/null || true
+	@rm -rf "{QMK_FIRMWARE}/.build/obj_{keyboard_safe}" || true
+	@rm -rf "{QMK_FIRMWARE}/.build/obj_{keyboard_safe}_{cli.args.keymap}" || true
+"""# noqa
+                    )
+                    # yapf: enable
+                f.write('\n')
+
     cli.run([make_cmd, *get_make_parallel_args(cli.args.parallel), '-f', makefile.as_posix(), 'all'], capture_output=False, stdin=DEVNULL)
 
     # Check for failures