Set TMPDIR when running repart

Otherwise, repart will copy the root directory to /var/tmp which
can be slow on COW filesystems if /var/tmp is on a different
partition.

diff --git a/mkosi/__init__.py b/mkosi/__init__.py
index a396b120cbc17e5f234dadd55601e1d98b2fbb9c..6087521450282f3616986d45c6fd879174a897c2 100644 (file)
--- a/mkosi/__init__.py
+++ b/mkosi/__init__.py
@@ -3210,7 +3210,7 @@ def invoke_repart(state: MkosiState, skip: Sequence[str] = [], split: bool = Fal
 
     cmdline += ["--definitions", definitions]
 
-    output = json.loads(run(cmdline, stdout=subprocess.PIPE).stdout)
+    output = json.loads(run(cmdline, stdout=subprocess.PIPE, env={"TMPDIR": state.workspace}).stdout)
 
     roothash = usrhash = None
     for p in output: