From 98006f395a6277256bd8b41bb6835c3a6b4db8ab Mon Sep 17 00:00:00 2001
From: jon <jon@NexusOS.lan>
Date: Wed, 22 Jul 2026 11:41:03 -0500
Subject: [PATCH] Sync from upstream: ncp.ps1 works under PowerShell on Linux

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 bin/restore-linux.sh | 14 ++++++++++++++
 management/ncp.ps1   | 41 +++++++++++++++++++++++++++--------------
 2 files changed, 41 insertions(+), 14 deletions(-)

diff --git a/bin/restore-linux.sh b/bin/restore-linux.sh
index d56fec7..504e768 100644
--- a/bin/restore-linux.sh
+++ b/bin/restore-linux.sh
@@ -73,6 +73,20 @@ EOF
         echo "Registered promethean in ~/.bashrc."
     fi
 
+    # Same ncp inside PowerShell, if pwsh is installed here. bash functions are
+    # invisible to pwsh, so without this `ncp` is "not recognized" there even
+    # though it works in bash. install-windows.ps1 does this on the Windows side;
+    # this profile lives outside the repo, so a restore has to re-add it.
+    if command -v pwsh >/dev/null; then
+        ps_profile="$HOME/.config/powershell/profile.ps1"
+        if ! grep -q "NexusOS ncp" "$ps_profile" 2>/dev/null; then
+            mkdir -p "$(dirname "$ps_profile")"
+            printf '\n# NexusOS ncp\nfunction ncp { & "%s/management/ncp.ps1" @args }\n' \
+                "$NEXUS_ROOT" >> "$ps_profile"
+            echo "Registered ncp in $ps_profile."
+        fi
+    fi
+
     # The AMD box runs CPU-only (Vega 20, 4GB VRAM thrashes). An NVIDIA box should not.
     if command -v nvidia-smi >/dev/null && command -v sqlite3 >/dev/null && \
        [ "$(sqlite3 "$NEXUS_ROOT/synapse/memory/memory.db" \
diff --git a/management/ncp.ps1 b/management/ncp.ps1
index 1a67d7b..378f0b6 100644
--- a/management/ncp.ps1
+++ b/management/ncp.ps1
@@ -1,10 +1,11 @@
-# ncp - Windows entry point. The CLI itself is management\ncp.py, the same file
-# the Linux box runs; this only picks an interpreter and forwards the arguments.
+# ncp - PowerShell entry point. The CLI itself is management/ncp.py, the same
+# file the Linux shell wrapper runs; this only picks an interpreter and forwards
+# the arguments.
 #
-# Register it once per machine by adding this to your PowerShell profile
-# (notepad $PROFILE):
+# Windows: install-windows.ps1 registers this automatically. To do it by hand,
+# or to get ncp inside PowerShell on Linux, add to $PROFILE.CurrentUserAllHosts:
 #
-#     function ncp { & "$HOME\nexus-core\management\ncp.ps1" @args }
+#     function ncp { & "<repo>/management/ncp.ps1" @args }
 #
 # ASCII only, no exceptions: PowerShell 5.1 decodes BOM-less files as ANSI, so a
 # single Unicode dash eats a quote and the script dies at parse time. A test in
@@ -12,17 +13,29 @@
 
 $Root = Split-Path -Parent (Split-Path -Parent $MyInvocation.MyCommand.Path)
 
-# Prefer the venv interpreter (ncp.py needs psutil for service management), but
-# fall back to system Python so backup/restore still work before the venv is
-# built - those delegate to the stdlib-only bin\sync.py.
-$Py = Join-Path $Root "Promethean\Scripts\python.exe"
-if (-not (Test-Path $Py)) {
-    $Py = (Get-Command python -ErrorAction SilentlyContinue).Source
+# Forward slashes and per-platform venv layout: backslash is a literal character
+# on Linux, not a separator, so "Promethean\Scripts\python.exe" would resolve to
+# a single nonsense filename under pwsh on Linux. Windows accepts "/" happily.
+# $env:OS is the 5.1-safe check; the automatic $IsWindows only exists on PS 6+.
+$OnWindows = ($env:OS -eq "Windows_NT")
+if ($OnWindows) {
+    $Py = Join-Path $Root "Promethean/Scripts/python.exe"
+} else {
+    $Py = Join-Path $Root "Promethean/bin/python3"
 }
-if (-not $Py) {
-    Write-Error "No Python found. Run install-windows.ps1 first."
+
+# Fall back to a system Python so backup/restore still work before the venv is
+# built - those delegate to the stdlib-only bin/sync.py.
+if (-not (Test-Path $Py)) {
+    foreach ($candidate in @("python3", "python")) {
+        $found = Get-Command $candidate -ErrorAction SilentlyContinue
+        if ($found) { $Py = $found.Source; break }
+    }
+}
+if (-not (Test-Path $Py)) {
+    Write-Error "No Python found. Run install.sh (Linux) or install-windows.ps1 first."
     exit 1
 }
 
-& $Py (Join-Path $Root "management\ncp.py") @args
+& $Py (Join-Path $Root "management/ncp.py") @args
 exit $LASTEXITCODE