unpackaged keys (unrendered currently)

projects/python.org/package.yml

@@ -1,5 +1,5 @@
 distributable:
-  url: https://www.python.org/ftp/python/{{ version }}/Python-{{ version }}.tar.xz
+  url: https://www.python.org/ftp/python/{{ version.raw }}/Python-{{ version.raw }}.tar.xz
   strip-components: 1
 
 versions:
@@ -8,6 +8,12 @@ versions:
 companions:
   pip.pypa.io: '*'
 
+unpackaged:
+  - version: ^2
+    platform: darwin
+    arch: aarc64
+    reason: help-wanted
+
 provides:
   - bin/python
   - bin/python{{version.major}}

scripts/build/build.ts

@@ -153,7 +153,8 @@ async function fetch_src(pkg: Package): Promise<[Path, Path] | undefined> {
     cmd: [script.string, pkgstr(pkg)],
     stdout: 'piped'
   })
-  const out = await proc.output()
+  const [out, status] = await Promise.all([proc.output(), proc.status()])
+  if (!status.success) throw new Error()
   const [dstdir, tarball] = new TextDecoder().decode(out).split("\n")
   if (!tarball) {
     // no tarball, e.g. tea.xyz/gx/cc