prism-tui PoC

resources/installer/linux/install-vst3-from-package.sh

@@ -1,11 +1,51 @@
 #!/bin/sh
 # Package post-install hook for Linux .deb/.rpm builds. The app package installs
-# Prism under /opt, then this copies the bundled native Linux VST3 bundles into
-# the global VST3 scan path used by Linux DAWs.
+# Prism under /opt, then this exposes prism-tui on PATH and copies the bundled
+# native Linux VST3 bundles into the global VST3 scan path used by Linux DAWs.
 
 set -eu
 
 DEST_DIR="${PRISM_VST3_DEST_DIR:-/usr/lib/vst3}"
+TUI_LINK="${PRISM_TUI_LINK_PATH:-/usr/bin/prism-tui}"
+
+find_tui() {
+  if [ -n "${PRISM_TUI_SOURCE_PATH:-}" ] && [ -f "$PRISM_TUI_SOURCE_PATH" ]; then
+    printf '%s\n' "$PRISM_TUI_SOURCE_PATH"
+    return 0
+  fi
+
+  for executable in \
+    /opt/Prism/resources/tui/prism-tui \
+    /opt/prism/resources/tui/prism-tui
+  do
+    if [ -f "$executable" ]; then
+      printf '%s\n' "$executable"
+      return 0
+    fi
+  done
+
+  return 1
+}
+
+install_tui() {
+  tui_source="$(find_tui || true)"
+  if [ -z "$tui_source" ]; then
+    echo "Prism TUI install: bundled executable not found; skipping PATH link." >&2
+    return 0
+  fi
+
+  chmod 755 "$tui_source"
+  if [ -e "$TUI_LINK" ] || [ -L "$TUI_LINK" ]; then
+    if [ -L "$TUI_LINK" ] && [ "$(readlink "$TUI_LINK")" = "$tui_source" ]; then
+      return 0
+    fi
+    echo "Prism TUI install: $TUI_LINK already exists and was left unchanged." >&2
+    return 0
+  fi
+
+  ln -s "$tui_source" "$TUI_LINK"
+  echo "Prism TUI installed at $TUI_LINK"
+}
 
 find_source_dir() {
   if [ -n "${PRISM_VST3_SOURCE_DIR:-}" ] && [ -d "$PRISM_VST3_SOURCE_DIR" ]; then
@@ -40,6 +80,8 @@ install_plugin() {
   cp -a "$source_plugin" "$DEST_DIR/"
 }
 
+install_tui
+
 SOURCE_DIR="$(find_source_dir || true)"
 if [ -z "$SOURCE_DIR" ]; then
   echo "Prism VST3 install: bundled VST3 directory not found; skipping plugin install." >&2

resources/installer/linux/remove-vst3-from-system.sh

@@ -4,7 +4,42 @@
 
 set -eu
 
+# Debian postrm reports upgrades by name; RPM postun reports the number of
+# installed package versions remaining. Keep shared resources during either
+# upgrade path and remove them only on a real uninstall.
+remove_action="${1:-}"
+case "$remove_action" in
+  upgrade|failed-upgrade|abort-*)
+    exit 0
+    ;;
+  ''|*[!0-9]*)
+    ;;
+  *)
+    if [ "$remove_action" -gt 0 ]; then
+      exit 0
+    fi
+    ;;
+esac
+
 DEST_DIR="${PRISM_VST3_DEST_DIR:-/usr/lib/vst3}"
+TUI_LINK="${PRISM_TUI_LINK_PATH:-/usr/bin/prism-tui}"
+
+remove_tui_link() {
+  [ -L "$TUI_LINK" ] || return 0
+  tui_target="$(readlink "$TUI_LINK")"
+  case "$tui_target" in
+    /opt/Prism/resources/tui/prism-tui|/opt/prism/resources/tui/prism-tui)
+      rm "$TUI_LINK"
+      ;;
+    *)
+      if [ -n "${PRISM_TUI_SOURCE_PATH:-}" ] && [ "$tui_target" = "$PRISM_TUI_SOURCE_PATH" ]; then
+        rm "$TUI_LINK"
+      else
+        echo "Prism TUI removal: $TUI_LINK points elsewhere and was left unchanged." >&2
+      fi
+      ;;
+  esac
+}
 
 remove_plugin() {
   rm -rf "$DEST_DIR/$1"
@@ -17,5 +52,6 @@ remove_plugin "Prism Loudness Meter.vst3"
 remove_plugin "Prism Vectorscope.vst3"
 remove_plugin "Prism Spectrogram.vst3"
 remove_plugin "Prism Waveform.vst3"
+remove_tui_link
 
 echo "Prism VST3 plugins removed from $DEST_DIR"

resources/installer/macos-scripts/postinstall

@@ -1,7 +1,7 @@
 #!/bin/bash
 # Postinstall: after the macOS Installer drops Prism.app into /Applications, copy
 # the bundled VST3 / AU plugins out of the app's Resources into the system
-# Audio Plug-Ins folders so DAWs find them.
+# Audio Plug-Ins folders so DAWs find them, and expose prism-tui on PATH.
 #
 # Standard pkg postinstall args:
 #   $1 = full path to the installer package
@@ -17,8 +17,10 @@ APP_PATH="${2:-/Applications}/Prism.app"
 [ -d "$APP_PATH" ] || APP_PATH="/Applications/Prism.app"
 
 PLUGINS_SRC="$APP_PATH/Contents/Resources/plugins"
-VST3_DEST="/Library/Audio/Plug-Ins/VST3"
-AU_DEST="/Library/Audio/Plug-Ins/Components"
+VST3_DEST="${PRISM_VST3_DEST_DIR:-/Library/Audio/Plug-Ins/VST3}"
+AU_DEST="${PRISM_AU_DEST_DIR:-/Library/Audio/Plug-Ins/Components}"
+TUI_SOURCE="$APP_PATH/Contents/Resources/tui/prism-tui"
+TUI_LINK="${PRISM_TUI_LINK_PATH:-/usr/local/bin/prism-tui}"
 
 mkdir -p "$VST3_DEST" "$AU_DEST"
 
@@ -29,4 +31,18 @@ if [ -d "$PLUGINS_SRC/AU" ]; then
   cp -R "$PLUGINS_SRC/AU/"*.component "$AU_DEST/" 2>/dev/null || true
 fi
 
+if [ -f "$TUI_SOURCE" ]; then
+  chmod 755 "$TUI_SOURCE"
+  mkdir -p "$(dirname "$TUI_LINK")"
+  if [ -e "$TUI_LINK" ] || [ -L "$TUI_LINK" ]; then
+    if [ ! -L "$TUI_LINK" ] || [ "$(readlink "$TUI_LINK")" != "$TUI_SOURCE" ]; then
+      echo "Prism postinstall: $TUI_LINK already exists and was left unchanged." >&2
+    fi
+  else
+    ln -s "$TUI_SOURCE" "$TUI_LINK"
+  fi
+else
+  echo "Prism postinstall: bundled prism-tui not found at $TUI_SOURCE" >&2
+fi
+
 exit 0

resources/installer/windows-vst3.nsh

@@ -11,9 +11,11 @@
 ; to Common Files succeed without a second elevation. On uninstall, the bundles
 ; are removed unconditionally (harmless if the user opted out at install time).
 
+!include "LogicLib.nsh"
+!include "WinMessages.nsh"
+
 !ifndef BUILD_UNINSTALLER
   !include "nsDialogs.nsh"
-  !include "LogicLib.nsh"
 
   Var PRISM_VST_CHECKBOX
   Var PRISM_VST_STATE
@@ -53,6 +55,25 @@
   !macroend
 
   !macro customInstall
+    ${IfNot} ${FileExists} "$INSTDIR\resources\tui\prism-tui.exe"
+      DetailPrint "ERROR: bundled prism-tui.exe was not found"
+      MessageBox MB_OK|MB_ICONSTOP "The bundled prism-tui executable was not found.$\r$\n$\r$\nMissing path:$\r$\n$INSTDIR\resources\tui\prism-tui.exe" /SD IDOK
+      Abort
+    ${EndIf}
+
+    ; PowerShell avoids NSIS string-length truncation on machines with a large
+    ; PATH. It removes exact duplicates, appends Prism once, and leaves every
+    ; other entry intact. PowerShell comparisons are case-insensitive here.
+    nsExec::ExecToLog `powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "& { param([string]$$entry) $$path = [Environment]::GetEnvironmentVariable('Path', 'Machine'); $$entries = @($$path -split ';' | Where-Object { $$_ -and $$_ -ine $$entry }); $$entries += $$entry; [Environment]::SetEnvironmentVariable('Path', ($$entries -join ';'), 'Machine') }" "$INSTDIR\resources\tui"`
+    Pop $0
+    ${If} $0 != 0
+      DetailPrint "ERROR: could not add Prism TUI to the machine PATH (exit code $0)"
+      MessageBox MB_OK|MB_ICONSTOP "Prism could not add prism-tui to the machine PATH.$\r$\n$\r$\nPowerShell exit code: $0" /SD IDOK
+      Abort
+    ${EndIf}
+    SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000
+    DetailPrint "Added $INSTDIR\resources\tui to the machine PATH"
+
     ${If} $PRISM_VST_STATE == ${BST_CHECKED}
       DetailPrint "Installing Prism VST3 plugins to $COMMONFILES64\VST3"
 
@@ -79,6 +100,16 @@
 !endif
 
 !macro customUnInstall
+  ; Remove only Prism's exact machine-PATH entry. A failure is non-fatal so an
+  ; otherwise valid uninstall is never blocked.
+  nsExec::ExecToLog `powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "& { param([string]$$entry) $$path = [Environment]::GetEnvironmentVariable('Path', 'Machine'); $$entries = @($$path -split ';' | Where-Object { $$_ -and $$_ -ine $$entry }); [Environment]::SetEnvironmentVariable('Path', ($$entries -join ';'), 'Machine') }" "$INSTDIR\resources\tui"`
+  Pop $0
+  ${If} $0 == 0
+    SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000
+  ${Else}
+    DetailPrint "WARNING: could not remove Prism TUI from the machine PATH (exit code $0)"
+  ${EndIf}
+
   ; Always attempt removal — harmless RMDir if the bundle isn't there (user opted
   ; out at install or removed manually).
   RMDir /r "$COMMONFILES64\VST3\Prism Spectrum.vst3"