docs: name the cards the interface finds

The interface finds a muOS, Onion, spruceOS, MinUI, KNULLI or ROCKNIX card by itself (card_platform and the card rules in install.py) and lists it as a setup. The FAQ says so where it fills an SD card, within its word ceiling.

tests/test_site_r4_merge.py

@@ -161,13 +161,29 @@ class FaqInstallsFromWhatYouHold(unittest.TestCase):
 
     def test_no_unzip_before_from_pack(self):
         section = " ".join(self._section("No internet on the device?").split())
-        self.assertIn("point `--from-pack` at your ZIP, still zipped", section)
+        self.assertIn("point `--from-pack` at your ZIP:", section)
         self.assertNotIn("unzip", section)
         install = (REPO_ROOT / "install.py").read_text(encoding="utf-8")
         self.assertIn("Install from a pack already downloaded: its ZIP, one of its parts",
                       (REPO_ROOT / "wiki" / "installer.md").read_text(encoding="utf-8"))
         self.assertIn('"--from-pack"', install)
 
+    def test_the_cards_the_interface_finds(self):
+        """Each system the SD card answer names is one install.py tells by
+        its card: a release file (_CARD_RULES) or a card rule."""
+        import install  # noqa: PLC0415
+
+        section = " ".join(self._section("Fill an SD card from a computer?").split())
+        self.assertIn("The interface finds a muOS, Onion, spruceOS, MinUI, KNULLI or ROCKNIX "
+                      "card by itself.", section)
+        known = {rule.name for rule in install._card_rules()}
+        known |= {install.display_name(name) for name, _marker, _prefix in install._CARD_RULES}
+        for name in ("muOS", "Onion", "spruceOS", "MinUI", "KNULLI", "ROCKNIX"):
+            with self.subTest(card=name):
+                self.assertIn(name, known)
+        source = (REPO_ROOT / "install.py").read_text(encoding="utf-8")
+        self.assertIn('f"{card[2]} SD card ({_mount_name(mount)})"', source)
+
     def test_a_wiped_card_links_the_copy(self):
         section = self._section("Lost or wiped card?")
         self.assertIn("`--from`", section)

wiki/faq.md

@@ -16,7 +16,7 @@ terms: ios, iphone, ipad
 
 ## How do I know which BIOS I need?
 
-Add `--dry-run`. It lists the files, changing nothing.
+`--dry-run` lists them and changes nothing.
 
 <!-- os-tabs -->
 ```sh
@@ -25,7 +25,7 @@ curl -fsSL https://raw.githubusercontent.com/Abdess/retrobios/main/install.sh |
 
 ## Do I need every file of a console?
 
-No. To keep only your region's BIOS, add it, like `--region us`.
+No. `--region us` keeps only your region's BIOS.
 
 ## Does the BIOS set the game's language?
 
@@ -49,8 +49,8 @@ Game sets must match the emulator's version:
 ## Keys, firmware or BIOS?
 
 - **BIOS** or **firmware**: the console's own program, like `scph5501.bin`.
-- Newer consoles need a system update, like `PS3UPDAT.PUP`, installed from the
-  emulator's menu.
+- Newer consoles need a system update, like `PS3UPDAT.PUP`, installed in the
+  emulator.
 - **Keys** unlock encrypted games, like `prod.keys` for Switch.
 
 ## Is the command safe? { #is-piping-the-installer-into-a-shell-safe }
@@ -67,7 +67,7 @@ Read them first: [install.sh](https://github.com/Abdess/retrobios/blob/main/inst
 
 ## Windows or my antivirus blocks the command
 
-Use your setup's ZIP, if it has one: [Get your files](../which-pack.md).
+Use your setup's ZIP, if any: [Get your files](../which-pack.md).
 
 ## Why is there no ZIP for my setup?
 
@@ -76,7 +76,8 @@ setup's files and checks each one. `--dry-run` shows the list first.
 
 ## Fill an SD card from a computer?
 
-Name your setup and the card's BIOS folder. For RetroArch on a Switch,
+The interface finds a muOS, Onion, spruceOS, MinUI, KNULLI or ROCKNIX card by
+itself. Name your setup and the card's BIOS folder. For RetroArch on a Switch,
 with the card in drive `E:`, run:
 
 <!-- os-tabs windows: --platform retroarch --dest E:\retroarch\cores\system -->
@@ -87,8 +88,7 @@ curl -fsSL https://raw.githubusercontent.com/Abdess/retrobios/main/install.sh \
 
 ## No internet on the device?
 
-Fill its folder from a computer, as above, or point `--from-pack` at
-your ZIP, still zipped: [Without a network](installer.md#without-a-network-offline-install).
+Fill it from a computer, as above, or point `--from-pack` at your ZIP: [Without a network](installer.md#without-a-network-offline-install).
 
 ## Lost or wiped card?
 
@@ -116,7 +116,7 @@ Yes: [PCSX2](https://pcsx2.net/docs/setup/bios/) for PlayStation 2,
 
 ## Is this legal?
 
-Laws differ by country. [Is it legal?](legal.md)
+[It depends on your country](legal.md).
 
 ## Next steps