Pacman build

Makefile

@@ -52,7 +52,7 @@ build: $(HTML_PAGES) $(TMPDIR)
 
 .PHONY: install
 install: .venv/bin
-	which brew && brew install asciidoctor || apt install -y asciidoctor
+	which asciidoctor || (which brew && brew install asciidoctor || apt install -y asciidoctor || sudo pacman -S --needed asciidoctor)
 
 .PHONY: update-submodules
 update-submodules:

tests/test_system_requirements.py

@@ -0,0 +1,36 @@
+import unittest
+from sourcetree import (
+    SourceTree,
+)
+
+
+class RequirementTestCase(unittest.TestCase):
+    def test_en_GB_locale_is_installed(self):
+        sourcetree = SourceTree()
+
+        locales = sourcetree.run_command("locale -a").split("\n")
+        # debian  sudo locale-gen en_GB.UTF-8 && sudo update-locale
+        # arch : https://wiki.archlinux.org/title/locale
+        # uncomment en_GB.UTF-8
+
+        # cd /etc && sudo git diff  3 i have etckeeper installed
+        """
+        diff --git a/locale.gen b/locale.gen
+        index 2f21f03..210ee98 100644
+        --- a/locale.gen
+        +++ b/locale.gen
+        @@ -157,7 +157,7 @@
+         #en_CA ISO-8859-1
+         #en_DK.UTF-8 UTF-8
+         #en_DK ISO-8859-1
+        -#en_GB.UTF-8 UTF-8
+        +en_GB.UTF-8 UTF-8
+         #en_GB ISO-8859-1
+         #en_HK.UTF-8 UTF-8
+         #en_HK ISO-8859-1
+        """
+
+        assert (
+            "en_GB.utf8" in locales,
+            "Lacking en_GB locale. " "This interferes with checks for output.",
+        )