startupitem: add new option startupitem.logfile.stderr

Fixes: https://trac.macports.org/ticket/67955

src/port1.0/portstartupitem.tcl

@@ -53,8 +53,15 @@
 # We create and destroy the pidfile to track the pid we receive from the executable
 #
 # startupitem.logfile logpath
-# Log to the specified file -- if not specified then output to /dev/null
-# - for launchd, just set this as the standard out key
+# Log stdout to the specified logfile
+# - If not specified, then output to /dev/null
+# - For launchd, set the stdout plist key
+#
+# startupitem.logfile.stderr logpath
+# Log stderr to the specified logfile
+# - If not specified, defaults to startupitem.logfile
+# - If cleared, disables stderr logging
+# - For launchd, set the stderr plist key
 #
 # startupitem.logevents yes/no
 # Log events to the log
@@ -84,7 +91,8 @@ options startupitems startupitem.autostart startupitem.debug \
  startupitem.create startupitem.custom_file \
  startupitem.executable startupitem.group \
  startupitem.init startupitem.install startupitem.location \
- startupitem.logevents startupitem.logfile startupitem.name \
+ startupitem.logevents startupitem.logfile \
+ startupitem.logfile.stderr startupitem.name \
  startupitem.netchange startupitem.pidfile startupitem.plist \
  startupitem.requires startupitem.restart startupitem.start \
  startupitem.stop startupitem.type startupitem.uniquename \
@@ -100,6 +108,7 @@ default startupitem.install {$system_options(startupitem_install)}
 default startupitem.location LaunchDaemons
 default startupitem.logevents no
 default startupitem.logfile ""
+default startupitem.logfile.stderr {${startupitem.logfile}}
 default startupitem.name {${subport}}
 default startupitem.netchange no
 default startupitem.pidfile ""
@@ -143,8 +152,8 @@ proc portstartupitem::get_startupitem_type {} {
 proc portstartupitem::foreach_startupitem {body} {
  global startupitems
  set vars [list autostart create custom_file debug executable group \
- init install location logevents logfile name netchange \
- pidfile plist requires restart start stop type \
+ init install location logevents logfile logfile.stderr \
+ name netchange pidfile plist requires restart start stop type \
  uniquename user daemondo.verbosity]
 
  array set startupitems_dict {}
@@ -491,6 +500,10 @@ proc portstartupitem::startupitem_create_darwin_launchd {attrs} {
  puts ${plist} "<key>StandardOutPath</key><string>$si(logfile)</string>"
  }
 
+ if {$si(logfile.stderr) ne ""} {
+ puts ${plist} "<key>StandardErrorPath</key><string>$si(logfile.stderr)</string>"
+ }
+
  if {$si(debug)} {
  puts ${plist} "<key>Debug</key><true/>"
  }