Allow downstreams to brand the installer

Add overrides for the distribution name and the docs URL so that
downstreams can brand the installer as needed in their bootstrap
script.

Signed-off-by: Davide Cavalca <dcavalca@fedoraproject.org>

src/main.py

@@ -616,7 +616,7 @@ def step2_indirect(self, report=False):
  p_plain( " * If you are asked to 'Select a volume to recover',")
  p_plain( " then choose your normal macOS volume and click Next.")
  p_plain( " You may need to authenticate yourself with your macOS credentials.")
- p_message( "7. Once the 'Asahi Linux installer' screen appears, follow the prompts.")
+ p_message(f"7. Once the '{DISTRO} installer' screen appears, follow the prompts.")
  print()
  p_warning( "If you end up in a bootloop or get a message telling you that macOS needs to")
  p_warning( "be reinstalled, that means you didn't follow the steps above properly.")
@@ -798,13 +798,13 @@ def action_select_disk(self):
 
  def main(self):
  print()
- p_message("Welcome to the Asahi Linux installer!")
+ p_message(f"Welcome to the {DISTRO} installer!")
  print()
  p_message("This installer will guide you through the process of setting up")
- p_message("Asahi Linux on your Mac.")
+ p_message(f"{DISTRO} on your Mac.")
  print()
  p_message("Please make sure you are familiar with our documentation at:")
- p_plain( f" {col(BLUE, BRIGHT)}https://alx.sh/w{col()}")
+ p_plain( f" {col(BLUE, BRIGHT)}{DISTRO_DOCS}{col()}")
  print()
  p_question("Press enter to continue.")
  self.input()

src/step2/step2.sh

@@ -3,6 +3,7 @@
 
 set -e
 
+DISTRO="##DISTRO##"
 VGID="##VGID##"
 PREBOOT="##PREBOOT##"
 
@@ -15,7 +16,7 @@ os_name="${system_dir##*/}"
 # clear
 printf '\033[2J\033[H'
 
-echo "Asahi Linux installer (second step)"
+echo "$DISTRO installer (second step)"
 echo
 echo "VGID: $VGID"
 echo "System volume: $system_dir"
@@ -88,7 +89,7 @@ fi
 
 echo "You will see some messages advising you that you are changing the"
 echo "security level of your system. These changes apply only to your"
-echo "Asahi Linux install, and are necessary to install a third-party OS."
+echo "$DISTRO install, and are necessary to install a third-party OS."
 echo
 echo "Apple Silicon platforms maintain a separate security level for each"
 echo "installed OS, and are designed to retain their security with mixed OSes."

src/stub.py

@@ -353,6 +353,7 @@ def install_files(self, cur_os):
 
  logging.info("Writing step2.sh")
  step2_sh = open("step2/step2.sh").read()
+ step2_sh = step2_sh.replace("##DISTRO##", DISTRO)
  step2_sh = step2_sh.replace("##VGID##", self.osi.vgid)
  step2_sh = step2_sh.replace("##PREBOOT##", self.osi.preboot_vgid)
  with open(self.step2_sh, "w") as fd:

src/util.py

@@ -10,6 +10,9 @@
 COMPRESSION_LZFSE = 0x801
 CHUNK_SIZE = 0x10000
 
+DISTRO = os.environ.get("DISTRO", "Asahi Linux")
+DISTRO_DOCS = os.environ.get("DISTRO_DOCS", "https://alx.sh/w")
+
 def ssize(v):
  suffixes = ["B", "KB", "MB", "GB", "TB"]
  for i in suffixes: