Add l10n.toml for l10n testing with compare-locales, and automation t…

…o run it.

On PRs, this just runs validation after the unit tests.
On master, this triggers another task in the graph w/out dependencies,
either in nor out.
We might want to replace check_translations.py eventually, but not yet.

.taskcluster.yml

@@ -32,6 +32,8 @@ tasks:
             && echo "--" > .adjust_token
             && python tools/l10n/check_locales.py
             && ./gradlew --no-daemon clean assembleFocusX86Debug assembleKlarX86Nightly assembleRelease detektCheck ktlint lintFocusX86Debug lintKlarX86Nightly pmd checkstyle spotbugs assembleFocusX86DebugAndroidTest testFocusX86DebugUnitTest testKlarX86NightlyUnitTest
+            && pip install compare-locales>=4.0.1,<5.0
+            && compare-locales --validate l10n.toml .
         artifacts:
           public:
             type: directory

l10n.toml

@@ -0,0 +1,106 @@
+
+basepath = "."
+
+locales = [
+  "ace",
+  "af",
+  "am",
+  "an",
+  "anp",
+  "ar",
+  "ast",
+  "ay",
+  "az",
+  "bg",
+  "bn-BD",
+  "bn-IN",
+  "bo",
+  "bs",
+  "ca",
+  "cak",
+  "cs",
+  "cy",
+  "da",
+  "de",
+  "dsb",
+  "el",
+  "en-CA",
+  "eo",
+  "es-AR",
+  "es-CL",
+  "es-ES",
+  "es-MX",
+  "eu",
+  "fa",
+  "fi",
+  "fr",
+  "fy-NL",
+  "ga-IE",
+  "gl",
+  "gu-IN",
+  "he",
+  "hi-IN",
+  "hr",
+  "hsb",
+  "hu",
+  "hus",
+  "hy-AM",
+  "ia",
+  "id",
+  "it",
+  "ixl",
+  "ja",
+  "jv",
+  "ka",
+  "kab",
+  "kk",
+  "ko",
+  "kw",
+  "lo",
+  "lt",
+  "meh",
+  "mix",
+  "mr",
+  "ms",
+  "my",
+  "nb-NO",
+  "ne-NP",
+  "nl",
+  "nn-NO",
+  "oc",
+  "pa-IN",
+  "pai",
+  "pl",
+  "ppl",
+  "pt-BR",
+  "quc",
+  "quy",
+  "ro",
+  "ru",
+  "sk",
+  "sl",
+  "sq",
+  "sr",
+  "su",
+  "sv-SE",
+  "ta",
+  "te",
+  "th",
+  "tr",
+  "trs",
+  "tsz",
+  "tt",
+  "uk",
+  "ur",
+  "vi",
+  "wo",
+  "yua",
+  "zam",
+  "zh-CN",
+  "zh-TW",
+  ]
+[env]
+
+[[paths]]
+  reference = "app/src/main/res/values/strings.xml"
+  l10n = "{l10n_base}/app/src/main/res/values-{android_locale}/strings.xml"

tools/taskcluster/schedule-master-build.py

@@ -48,6 +48,15 @@ def generate_code_quality_task(buildTaskId):
 		dependencies = [ buildTaskId ])
 
 
+def generate_compare_locales_task():
+	return taskcluster.slugId(), generate_task(
+		name = "(Focus for Android) String validation",
+		description = "Check Focus/Klar for Android for errors in en-US and l10n.",
+		command = ('pip install compare-locales>=4.0.1,<5.0'
+				   ' && compare-locales --validate l10n.toml .'
+				   ' && compare-locales l10n.toml .'))
+
+
 def generate_webview_X86_ui_test_task(dependencies):
 		return taskcluster.slugId(), generate_task(
 			name = "(Focus for Android) UI tests - Webview X86",
@@ -189,6 +198,9 @@ def generate_task(name, description, command, dependencies = [], artifacts = {},
 	codeQualityTaskId, codeQualityTask = generate_code_quality_task(buildTaskId)
 	schedule_task(queue, codeQualityTaskId, codeQualityTask)
 
+	clTaskId, clTask = generate_compare_locales_task()
+	schedule_task(queue, clTaskId, clTask)
+
 	uiWebviewARMTestTaskId, uiWebviewARMTestTask = generate_webview_ARM_ui_test_task([unitTestTaskId, codeQualityTaskId])
 	schedule_task(queue, uiWebviewARMTestTaskId, uiWebviewARMTestTask)