From df3f698db9543cbfcb23053989c29b8117fd0336 Mon Sep 17 00:00:00 2001
From: ada <ada@cubething.dev>
Date: Fri, 26 Jun 2026 12:49:14 -0500
Subject: [PATCH] Build test output to test_out

Builds ramfs test image to test_out. Updates windows CI job to match.

Closes #308.
---
 .github/workflows/ci.yml |  2 +-
 .nanvix/src/build.py     | 11 ++++++-----
 .nanvix/src/clean.py     |  6 +++---
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ea54abe..84485c3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -95,7 +95,7 @@ jobs:
           tar -xzf $tarball.FullName -C linux-build
           $ramfs = Get-ChildItem linux-build -Recurse -Filter "nanvix_rootfs.img" | Select-Object -First 1
           if (-not $ramfs) { Write-Error "nanvix_rootfs.img not found in tarball"; exit 1 }
-          $dest = Join-Path $env:GITHUB_WORKSPACE ".nanvix" "nanvix_rootfs.img"
+          $dest = Join-Path $env:GITHUB_WORKSPACE ".nanvix" "out" "test" "nanvix_rootfs.img"
           New-Item -ItemType Directory -Force -Path (Split-Path $dest) | Out-Null
           Copy-Item $ramfs.FullName $dest
           Write-Host "Placed ramfs at $dest ($('{0:N0}' -f (Get-Item $dest).Length) bytes)"
diff --git a/.nanvix/src/build.py b/.nanvix/src/build.py
index 437f6d3..365f548 100644
--- a/.nanvix/src/build.py
+++ b/.nanvix/src/build.py
@@ -21,7 +21,7 @@
 from nanvix_zutil import paths
 from nanvix_zutil.exitcodes import EXIT_BUILD_FAILURE, EXIT_MISSING_DEP
 from nanvix_zutil.helpers import InitRdArgs
-from nanvix_zutil.paths import nanvix_root, repo_root
+from nanvix_zutil.paths import nanvix_root, repo_root, test_out
 
 from .lib import LibMixin, mkramfs_binary, nanvixd_binary
 
@@ -90,7 +90,7 @@ def _ensure_ramfs(self, sysroot: Path) -> Path:
         if self._ramfs_img and self._ramfs_img.is_file():
             return self._ramfs_img
 
-        work_dir = nanvix_root()
+        work_dir = test_out()
         img = work_dir / "nanvix_rootfs.img"
         sentinel = work_dir / ".ramfs-built"
         current_hash = self._ramfs_input_hash(sysroot)
@@ -118,10 +118,11 @@ def _build_ramfs(self, sysroot: Path) -> Path:
         if self._ramfs_img and self._ramfs_img.is_file():
             return self._ramfs_img
 
-        work_dir = nanvix_root()
+        work_dir = test_out()
         img = work_dir / "nanvix_rootfs.img"
         sentinel = work_dir / ".ramfs-built"
         current_hash = self._ramfs_input_hash(sysroot)
+        work_dir.mkdir(parents=True, exist_ok=True)
 
         # Skip rebuild if ramfs image and sentinel are up-to-date
         if (
@@ -133,7 +134,7 @@ def _build_ramfs(self, sysroot: Path) -> Path:
             self._ramfs_img = img
             return img
 
-        stripped = work_dir / "stripped-sysroot"
+        stripped = nanvix_root() / "stripped-sysroot"
         self._create_stripped_sysroot(sysroot, stripped)
         self._stripped_sysroot = stripped
 
@@ -148,7 +149,7 @@ def _build_ramfs(self, sysroot: Path) -> Path:
         # Docker (Python 3.12) and placed at the sysroot root.
 
         # Generate build manifests for post-build inspection
-        self._write_build_manifests(sysroot, stripped, work_dir)
+        self._write_build_manifests(sysroot, stripped, nanvix_root())
 
         log.info("building ramfs image for standalone mode")
         mkramfs = str((sysroot / "bin" / mkramfs_binary()).resolve())
diff --git a/.nanvix/src/clean.py b/.nanvix/src/clean.py
index 43ec510..3a45c5e 100644
--- a/.nanvix/src/clean.py
+++ b/.nanvix/src/clean.py
@@ -9,7 +9,7 @@
 from pathlib import Path
 
 from nanvix_zutil import CFG_SYSROOT, log, paths
-from nanvix_zutil.paths import nanvix_root, repo_root
+from nanvix_zutil.paths import repo_root, test_out
 
 from .lib import LibMixin
 
@@ -29,9 +29,9 @@ def clean(self) -> None:
 
         # Clean ramfs artifacts
         self._cleanup_ramfs()
-        ramfs_img = nanvix_root() / "nanvix_rootfs.img"
+        ramfs_img = test_out() / "nanvix_rootfs.img"
         ramfs_img.unlink(missing_ok=True)
-        ramfs_sentinel = nanvix_root() / ".ramfs-built"
+        ramfs_sentinel = test_out() / ".ramfs-built"
         ramfs_sentinel.unlink(missing_ok=True)
 
         # Clean initrd