Add rust2rpm.toml file

[skip changelog]

rust2rpm.toml

@@ -0,0 +1,46 @@
+[features]
+hide = [
+    # For wasm/browser targets only; rust2rpm already patches everything out of
+    # this feature automatically.
+    "js",
+    # We do not want to package jiff-tzdb (which bundles the timezone
+    # database), and we think Fedora should always be using the system tz
+    # database, not a bundled one.
+    "tzdb-bundle-always",
+]
+enable = [
+    # Required for some doctests
+    "serde",
+]
+
+[package]
+cargo-toml-patch-comments = [
+    """\
+    Allow chrono-tz 0.8.x; this is just for doctests anyway. \
+    https://bugzilla.redhat.com/show_bug.cgi?id=2273630\
+    """,
+    # This would be a candidate for automated patching with tomcli if it were
+    # an unconditional dependency, but given it is
+    # target.'cfg(not(target_family = "wasm"))', manual patching is easier.
+    "Drop dev-dependency hifitime: not packaged, and only for doctests",
+]
+
+[[package.extra-patches]]
+number = 10
+file = "0001-Downstream-only-Omit-doctests-that-require-hifitime.patch"
+comments = [
+    """\
+    Downstream-only: Omit doctests that require hifitime. \
+    It is not worth packaging it solely for a couple of tiny examples.\
+    """,
+]
+[requires]
+build = [
+    "tomcli",
+]
+
+[scripts.prep]
+post = [
+    "# Exclude test and debug scripts that would BuildRequire sh or bash",
+    "tomcli set Cargo.toml append package.exclude test test-wasm 'scripts/*'",
+]