1 files changed, 76 insertions, 0 deletions
diff --git a/python/l10n/fluent_migrations/bug_1832141_recently_closed.py b/python/l10n/fluent_migrations/bug_1832141_recently_closed.py
new file mode 100644
index 0000000000..530f6f05dd
--- /dev/null
+++ b/python/l10n/fluent_migrations/bug_1832141_recently_closed.py
@@ -0,0 +1,76 @@
+import fluent.syntax.ast as FTL
+from fluent.migrate import COPY_PATTERN, PLURALS, REPLACE_IN_TEXT
+from fluent.migrate.helpers import VARIABLE_REFERENCE
+
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+
+class CUSTOM_PLURALS(PLURALS):
+    def __call__(self, ctx):
+        pattern = super().__call__(ctx)
+        el = pattern.elements[0]
+        if isinstance(el, FTL.Placeable) and isinstance(
+            el.expression, FTL.SelectExpression
+        ):
+            selexp = el.expression
+        else:
+            selexp = FTL.SelectExpression(
+                VARIABLE_REFERENCE("tabCount"),
+                [FTL.Variant(FTL.Identifier("other"), pattern, default=True)],
+            )
+            pattern = FTL.Pattern([FTL.Placeable(selexp)])
+        selexp.variants[0:0] = [
+            FTL.Variant(
+                FTL.NumberLiteral("0"),
+                FTL.Pattern([FTL.Placeable(VARIABLE_REFERENCE("winTitle"))]),
+            )
+        ]
+        return pattern
+
+
+def migrate(ctx):
+    """Bug 1832141 - Migrate strings to recentlyClosed.ftl, part {index}."""
+
+    appmenu = "browser/browser/appmenu.ftl"
+    browser = "browser/chrome/browser/browser.properties"
+    menubar = "browser/browser/menubar.ftl"
+    target = "browser/browser/recentlyClosed.ftl"
+
+    ctx.add_transforms(
+        target,
+        target,
+        [
+            FTL.Message(
+                id=FTL.Identifier("recently-closed-menu-reopen-all-tabs"),
+                value=COPY_PATTERN(menubar, "menu-history-reopen-all-tabs"),
+            ),
+            FTL.Message(
+                id=FTL.Identifier("recently-closed-menu-reopen-all-windows"),
+                value=COPY_PATTERN(menubar, "menu-history-reopen-all-windows"),
+            ),
+            FTL.Message(
+                id=FTL.Identifier("recently-closed-panel-reopen-all-tabs"),
+                value=COPY_PATTERN(appmenu, "appmenu-reopen-all-tabs"),
+            ),
+            FTL.Message(
+                id=FTL.Identifier("recently-closed-panel-reopen-all-windows"),
+                value=COPY_PATTERN(appmenu, "appmenu-reopen-all-windows"),
+            ),
+            FTL.Message(
+                id=FTL.Identifier("recently-closed-undo-close-window-label"),
+                value=CUSTOM_PLURALS(
+                    browser,
+                    "menuUndoCloseWindowLabel",
+                    VARIABLE_REFERENCE("tabCount"),
+                    foreach=lambda n: REPLACE_IN_TEXT(
+                        n,
+                        {
+                            "#1": VARIABLE_REFERENCE("winTitle"),
+                            "#2": VARIABLE_REFERENCE("tabCount"),
+                        },
+                    ),
+                ),
+            ),
+        ],
+    )