Fix Void package lifecycle on host

packaging/stage.sh

@@ -52,6 +52,11 @@ VENDOR_DIR="${STAGE_DIR}/opt/fenris/vendor"
 mkdir -p "${VENDOR_DIR}"
 python3 -m pip install --disable-pip-version-check --no-compile \
     --target "${VENDOR_DIR}" -r "${REPO_ROOT}/requirements.txt" "${WHEEL}"
+# Package files must be importable by unprivileged Fenris users regardless of
+# the builder's umask.  pip otherwise preserves a restrictive umask in the
+# vendored runtime, which makes the installed CLI fail before it can read the
+# observation store.
+chmod -R a+rX "${VENDOR_DIR}"
 
 # --- Inject version into wrapper from pyproject.toml ---
 # The wrapper has a hardcoded version string; patch it for packaging.

packaging/xbps/remove.sh

@@ -1,33 +1,29 @@
 #!/bin/sh
-# XBPS REMOVE script — pre-remove and purge paths.
+# XBPS REMOVE script — pre-remove path.
 #
 # Arguments: $1=ACTION $2=PKGNAME $3=VERSION $4=UPDATE $5=CONF_FILE $6=ARCH
 #
-# Actions: pre (before files removed), post (after files removed),
-#          purge (after metadata removed, for config cleanup)
+# Actions: pre (before files removed)
 set -eu
 
 ACTION="$1"
-
+UPDATE="$4"
 case "${ACTION}" in
     pre)
-        # Sanctioned disable — close monitoring period
+        # Only a real erase is a sanctioned disable.  An upgrade must preserve
+        # both monitoring intent and the active runit service.
+        if [ "${UPDATE}" = "no" ]; then
+            # Close the monitoring period while the store is still available.
             if [ -x /usr/libexec/fenris/fenris-monitor ]; then
                 /usr/libexec/fenris/fenris-monitor disable --now 2>/dev/null || true
             fi
+            # Configuration and the observation store are deliberately not
+            # package-owned.  Leave them in place: XBPS does not guarantee a
+            # post-remove callback before its cleanup action.
             # runit: remove the service symlink and mark dormant
             rm -f /var/service/fenris-collect
             touch /etc/sv/fenris-collect/down 2>/dev/null || true
-        ;;
-    purge)
-        # Full cleanup — remove config, store, and runit service directories
-        rm -rf /etc/fenris
-        rm -rf /var/lib/fenris
-        if getent group fenris > /dev/null 2>&1; then
-            groupdel fenris 2>/dev/null || true
         fi
-        rm -rf /etc/sv/fenris-collect 2>/dev/null || true
-        rm -rf /var/log/fenris-collect 2>/dev/null || true
         ;;
 esac
 

src/fenris/init_system.py

@@ -319,16 +319,37 @@ def _runit_is_enabled() -> bool:
 def _runit_is_running() -> bool:
     """Check if the runit service is currently running.
 
-    Looks for a 'supervise/pid' file in the service directory.
+    Looks for a 'supervise/pid' file in the service directory.  Void creates
+    that directory root-only, so unprivileged dashboard reads fall back to
+    the public process table when they cannot traverse it.
     """
-    pid_file = FENRIS_SV_DIR / "supervise" / "pid"
-    if not pid_file.exists():
+    def runsv_process_exists() -> bool:
+        try:
+            result = subprocess.run(
+                ["pgrep", "-f", "^runsv fenris-collect$"],
+                capture_output=True,
+                text=True,
+                timeout=5,
+            )
+            return result.returncode == 0
+        except (FileNotFoundError, subprocess.TimeoutExpired, OSError):
             return False
+
+    pid_file = FENRIS_SV_DIR / "supervise" / "pid"
+    # On Void, Path.exists() is false for an unprivileged process when it
+    # cannot traverse runit's root-only supervise directory.
+    if not pid_file.exists():
+        return FENRIS_SERVICE_LINK.exists() and runsv_process_exists()
     try:
         pid = int(pid_file.read_text().strip())
         # Check if the process is alive
         os.kill(pid, 0)
         return True
+    except PermissionError:
+        # runsv's supervisor state is root-only on Void.  Its process command
+        # is still observable, which gives the read-only UI the same runtime
+        # fact without granting it service-control permissions.
+        return FENRIS_SERVICE_LINK.exists() and runsv_process_exists()
     except (ValueError, OSError):
         return False
 

tests/test_init_system.py

@@ -471,7 +471,9 @@ class TestRunitIsRunning:
         sv_dir = tmp_path / "sv" / "fenris-collect"
         sv_dir.mkdir(parents=True)
 
-        with patch("fenris.init_system.FENRIS_SV_DIR", sv_dir):
+        with patch("fenris.init_system.FENRIS_SV_DIR", sv_dir), \
+             patch("subprocess.run") as mock_run:
+            mock_run.return_value.returncode = 1
             assert _runit_is_running() is False
 
     def test_is_running_false_dead_process(self, tmp_path):
@@ -485,6 +487,37 @@ class TestRunitIsRunning:
              patch("os.kill", side_effect=OSError("No such process")):
             assert _runit_is_running() is False
 
+    def test_is_running_uses_process_table_when_supervise_is_unreadable(self, tmp_path):
+        """Void keeps runit's supervise directory root-only for normal users."""
+        sv_dir = tmp_path / "sv" / "fenris-collect"
+        supervise_dir = sv_dir / "supervise"
+        supervise_dir.mkdir(parents=True)
+        pid_file = supervise_dir / "pid"
+        pid_file.write_text("12345")
+        service_link = tmp_path / "service" / "fenris-collect"
+        service_link.parent.mkdir(parents=True)
+        service_link.symlink_to(sv_dir)
+
+        original_read_text = Path.read_text
+
+        def deny_pid(path, *args, **kwargs):
+            if path == pid_file:
+                raise PermissionError("supervise is root-only")
+            return original_read_text(path, *args, **kwargs)
+
+        with patch("fenris.init_system.FENRIS_SV_DIR", sv_dir), \
+             patch("fenris.init_system.FENRIS_SERVICE_LINK", service_link), \
+             patch.object(Path, "read_text", autospec=True, side_effect=deny_pid), \
+             patch("subprocess.run") as mock_run:
+            mock_run.return_value.returncode = 0
+            assert _runit_is_running() is True
+            mock_run.assert_called_once_with(
+                ["pgrep", "-f", "^runsv fenris-collect$"],
+                capture_output=True,
+                text=True,
+                timeout=5,
+            )
+
 
 # ---------------------------------------------------------------------------
 # Public API dispatching