Drop compression suffix for directory output

The automatic logic would produce a name like "initrd_6.6.0.zst", even though
there is no compression.

diff --git a/mkosi/config.py b/mkosi/config.py
index 9dde626e20bc038b50dcbccaed8b73603f3f6306..2da446fb2374b5415a0a52e02cb6190079398488 100644 (file)
--- a/mkosi/config.py
+++ b/mkosi/config.py
@@ -116,6 +116,11 @@ class OutputFormat(StrEnum):
             OutputFormat.uki:  ".efi",
         }.get(self, "")
 
+    def use_outer_compression(self) -> bool:
+        return self in (OutputFormat.tar,
+                        OutputFormat.cpio,
+                        OutputFormat.disk)
+
 
 class ManifestFormat(StrEnum):
     json      = enum.auto()  # the standard manifest in json format
@@ -972,7 +977,7 @@ class MkosiConfig:
     def output_with_compression(self) -> str:
         output = self.output_with_format
 
-        if self.compress_output and self.output_format not in (OutputFormat.uki, OutputFormat.esp):
+        if self.compress_output and self.output_format.use_outer_compression():
             output += f".{self.compress_output}"
 
         return output