build: enable more .clang-tidy checks (#2088)

* build: add more clang-tidy warnings

libtransmission/.clang-tidy

@@ -1,19 +1,134 @@
 ---
-# Many of these checks are disabled only because the code hasn't been
-# cleaned up yet. Pull requests welcomed.
+# PRs welcome to fix & re-enable any of these explicitly-disabled checks
 Checks: >
+  -bugprone-branch-clone,
+  -bugprone-easily-swappable-parameters,
+  -bugprone-implicit-widening-of-multiplication-result,
+  -bugprone-incorrect-roundings,
+  -bugprone-not-null-terminated-result,
+  -bugprone-reserved-identifier,
+  -bugprone-signed-char-misuse,
+  -bugprone-sizeof-expression,
+  -bugprone-suspicious-include,
+  -modernize-avoid-c-arrays,
+  -modernize-raw-string-literal,
+  -modernize-redundant-void-arg,
+  -modernize-unary-static-assert,
+  -modernize-use-auto,
+  -modernize-use-bool-literals,
+  -modernize-use-nodiscard,
+  -readability-braces-around-statements,
+  -readability-convert-member-functions-to-static,
+  -readability-function-cognitive-complexity,
+  -readability-implicit-bool-conversion,
+  -readability-inconsistent-declaration-parameter-name,
+  -readability-isolate-declaration,
+  -readability-magic-numbers,
+  -readability-named-parameter,
+  -readability-non-const-parameter,
+  -readability-qualified-auto,
+  -readability-redundant-access-specifiers,
+  -readability-simplify-boolean-expr,
+  -readability-static-accessed-through-instance,
+  -readability-static-definition-in-anonymous-namespace,
+  -readability-uppercase-literal-suffix,
+  bugprone-argument-comment,
+  bugprone-assert-side-effect,
+  bugprone-bad-signal-to-kill-thread,
+  bugprone-bool-pointer-implicit-conversion,
+  bugprone-copy-constructor-init,
+  bugprone-dangling-handle,
+  bugprone-dynamic-static-initializers,
+  bugprone-exception-escape,
+  bugprone-fold-init-type,
+  bugprone-forward-declaration-namespace,
+  bugprone-forwarding-reference-overload,
+  bugprone-inaccurate-erase,
+  bugprone-infinite-loop,
+  bugprone-integer-division,
+  bugprone-lambda-function-name,
+  bugprone-macro-parentheses,
+  bugprone-macro-repeated-side-effects,
+  bugprone-misplaced-operator-in-strlen-in-alloc,
+  bugprone-misplaced-pointer-arithmetic-in-alloc,
+  bugprone-misplaced-widening-cast,
+  bugprone-move-forwarding-reference,
+  bugprone-multiple-statement-macro,
+  bugprone-no-escape,
+  bugprone-parent-virtual-call,
+  bugprone-posix-return,
+  bugprone-redundant-branch-condition,
+  bugprone-signal-handler,
+  bugprone-sizeof-container,
+  bugprone-spuriously-wake-up-functions,
+  bugprone-string-constructor,
+  bugprone-string-integer-assignment,
+  bugprone-string-literal-with-embedded-nul,
+  bugprone-suspicious-enum-usage,
+  bugprone-suspicious-memory-comparison,
+  bugprone-suspicious-memset-usage,
+  bugprone-suspicious-missing-comma,
+  bugprone-suspicious-semicolon,
+  bugprone-suspicious-string-compare,
+  bugprone-swapped-arguments,
+  bugprone-terminating-continue,
+  bugprone-throw-keyword-missing,
+  bugprone-too-small-loop-variable,
+  bugprone-undefined-memory-manipulation,
+  bugprone-undelegated-constructor,
+  bugprone-unhandled-exception-at-new,
+  bugprone-unhandled-self-assignment,
+  bugprone-unused-raii,
+  bugprone-unused-return-value,
+  bugprone-use-after-move,
+  bugprone-virtual-near-miss,
   cppcoreguidelines-init-variables,
   misc-static-assert,
+  modernize-avoid-bind,
+  modernize-concat-nested-namespaces,
   modernize-deprecated-headers,
+  modernize-deprecated-ios-base-aliases,
   modernize-loop-convert,
+  modernize-make-shared,
+  modernize-make-unique,
   modernize-pass-by-value,
+  modernize-replace-auto-ptr,
+  modernize-replace-disallow-copy-and-assign-macro,
+  modernize-replace-random-shuffle,
   modernize-return-braced-init-list,
+  modernize-shrink-to-fit,
   modernize-use-default-member-init,
   modernize-use-emplace,
+  modernize-use-emplace,
   modernize-use-equals-default,
+  modernize-use-equals-delete,
+  modernize-use-noexcept,
   modernize-use-nullptr,
   modernize-use-override,
+  modernize-use-transparent-functors,
+  modernize-use-uncaught-exceptions,
   modernize-use-using,
   performance-*,
   readability-avoid-const-params-in-decls,
-  readability-else-after-return
+  readability-const-return-type,
+  readability-container-size-empty,
+  readability-delete-null-pointer,
+  readability-else-after-return,
+  readability-function-size,
+  readability-identifier-length,
+  readability-identifier-naming,
+  readability-make-member-function-const,
+  readability-misleading-indentation,
+  readability-misplaced-array-index,
+  readability-redundant-control-flow,
+  readability-redundant-declaration,
+  readability-redundant-function-ptr-dereference,
+  readability-redundant-member-init,
+  readability-redundant-preprocessor,
+  readability-redundant-smartptr-get,
+  readability-redundant-string-cstr,
+  readability-redundant-string-init,
+  readability-simplify-subscript-expr,
+  readability-string-compare,
+  readability-suspicious-call-argument,
+  readability-uniqueptr-delete-release