Add support for sid.

There's no sid-security suite, so we need to be careful.

generate-recipe.py

@@ -19,7 +19,7 @@ if arch not in ['armhf', 'arm64']:
     sys.exit(1)
 
 suite = sys.argv[2]
-if suite not in ['bookworm', 'trixie', 'forky']:
+if suite not in ['bookworm', 'trixie', 'forky', 'sid']:
     print("E: unsupported suite %s" % suite, file=sys.stderr)
     sys.exit(1)
 target_yaml = 'raspi_%s_%s.yaml' % (arch, suite)
@@ -85,6 +85,13 @@ else:
 # deb http://deb.debian.org/debian %s main non-free-firmware
 """ % backports_suite
 
+# Enable security for everyone but sid:
+if suite != 'sid':
+    security_stanza = 'deb http://security.debian.org/debian-security %s-security main non-free-firmware' % suite
+else:
+    security_stanza = ''
+
+
 gitcommit = subprocess.getoutput("git show -s --pretty='format:%C(auto)%h (%s, %ad)' --date=short ")
 buildtime = subprocess.getoutput("date --utc +'%Y-%m-%d %H:%M'")
 
@@ -127,6 +134,7 @@ with open('raspi_master.yaml', 'r') as in_file:
         out_text = align_replace(out_text, '__EXTRA_ROOT_SHELL_CMDS__', extra_root_shell_cmds)
         out_text = align_replace(out_text, '__EXTRA_CHROOT_SHELL_CMDS__', extra_chroot_shell_cmds)
         out_text = align_replace(out_text, '__BACKPORTS__', backports_stanza.splitlines())
+        out_text = align_replace(out_text, '__SECURITY__', security_stanza.splitlines())
 
         # Try not to keep lines where the placeholder was replaced
         # with nothing at all (including on a "list item" line):