fixup! Tor Browser localization migration scripts.

Bug 42206: Migrate ruleset strings to Fluent.

tools/torbrowser/l10n/migrations/bug-42206-rulesets.py

+import fluent.syntax.ast as FTL
+from fluent.migrate.helpers import transforms_from
+from fluent.migrate.transforms import REPLACE
+
+
+def migrate(ctx):
+    legacy_path = "rulesets.properties"
+
+    ctx.add_transforms(
+        "tor-browser.ftl",
+        "tor-browser.ftl",
+        transforms_from(
+            """
+rulesets-warning-heading = { COPY(path, "rulesets.warningTitle") }
+rulesets-warning-description = { COPY(path, "rulesets.warningDescription") }
+rulesets-warning-checkbox = { COPY(path, "rulesets.warningEnable") }
+rulesets-warning-continue-button = { COPY(path, "rulesets.warningButton") }
+
+rulesets-side-panel-heading = { COPY(path, "rulesets.rulesets") }
+rulesets-side-panel-no-rules = { COPY(path, "rulesets.noRulesets") }
+
+rulesets-update-never = { COPY(path, "rulesets.neverUpdated") }
+rulesets-update-rule-disabled = { COPY(path, "rulesets.disabled") }
+
+rulesets-details-edit-button = { COPY(path, "rulesets.edit") }
+rulesets-details-enable-checkbox = { COPY(path, "rulesets.enable") }
+rulesets-details-update-button = { COPY(path, "rulesets.checkUpdates") }
+rulesets-details-save-button = { COPY(path, "rulesets.save") }
+rulesets-details-cancel-button = { COPY(path, "rulesets.cancel") }
+rulesets-details-jwk-input =
+    .placeholder = { COPY(path, "rulesets.jwkPlaceholder") }
+rulesets-details-jwk-input-invalid = { COPY(path, "rulesets.jwkInvalid") }
+rulesets-details-path = { COPY(path, "rulesets.pathPrefix") }
+rulesets-details-path-input =
+    .placeholder = { COPY(path, "rulesets.pathPrefixPlaceholder") }
+rulesets-details-path-input-invalid = { COPY(path, "rulesets.pathPrefixInvalid") }
+rulesets-details-scope = { COPY(path, "rulesets.scope") }
+rulesets-details-scope-input =
+    .placeholder = { COPY(path, "rulesets.scopePlaceholder") }
+rulesets-details-scope-input-invalid = { COPY(path, "rulesets.scopeInvalid") }
+""",
+            path=legacy_path,
+        )
+        + [
+            # Replace "%1$S" with "{ DATETIME($date, dateStyle: "long") }"
+            FTL.Message(
+                FTL.Identifier("rulesets-update-last"),
+                value=REPLACE(
+                    legacy_path,
+                    "rulesets.lastUpdated",
+                    {
+                        "%1$S": FTL.FunctionReference(
+                            FTL.Identifier("DATETIME"),
+                            arguments=FTL.CallArguments(
+                                positional=[
+                                    FTL.VariableReference(FTL.Identifier("date"))
+                                ],
+                                named=[
+                                    FTL.NamedArgument(
+                                        FTL.Identifier("dateStyle"),
+                                        value=FTL.StringLiteral("long"),
+                                    )
+                                ],
+                            ),
+                        )
+                    },
+                ),
+            ),
+        ],
+    )