Fixed problem with pax command that caused it to fail for non-admin u…

…sers. Refined how double-launches and launches of URLs from external programs are handled so it more closely approximates the normal Mac experience under Chrome 69.

app/src/epichrome

@@ -307,14 +307,19 @@ configEngineExec="$myContents/$appEngine/$SSBChromeEngine/Contents/MacOS/$engine
 /usr/bin/pgrep -fq "$configEngineExec" > /dev/null 2>&1
 pgrepResult="$?"
 if [[ "$pgrepResult" = 0 ]] ; then
-    # launch Chrome engine with whatever command-line arguments
-    # have been passed to us and suppress startup window
+    # launch Chrome engine but suppress startup window
     # (--no-startup-window would also work for this)
-    "$configEngineExec" --silent-launch --user-data-dir="$myProfilePath" "$@"
-
-    # use Applescript to switch app to the front
-    osascript -e "tell application \"System Events\" to set frontmost of (application processes where bundle identifier is \"$CFBundleIdentifier\") to true" > /dev/null
-
+    # but do not launch if unknown args passed -- this appears
+    # to only happen as a weird duplicate launch
+    # signal in Chrome 69, so we'll ignore it (for now)
+    if [[ "${#@}" = 0 ]] ; then
+	# use Applescript to switch app to the front
+	osascript -e "tell application \"System Events\" to set frontmost of (application processes where bundle identifier is \"$CFBundleIdentifier\") to true" > /dev/null
+
+	# launch
+        "$configEngineExec" --silent-launch --user-data-dir="$myProfilePath"
+fi
+
     # exit this instance
     exit
 

app/src/main.applescript

@@ -606,9 +606,7 @@ Icon: "
 										try
 											set dlgResult to button returned of (display dialog "Created Epichrome app \"" & ssbBase & "\".
 
-IMPORTANT NOTE: A companion extension, Epichrome Helper, will automatically install when the app is first launched.
-
-HOWEVER, it will almost certainly be installed DISABLED. You'll need to go to the Window menu, choose Extensions and enable it manually. Once successfully enabled, its options page will open and display a welcome message." with title "Success!" buttons {"Launch Now", "Reveal in Finder", "Quit"} default button "Launch Now" cancel button "Quit" with icon myIcon)
+IMPORTANT NOTE: A companion extension, Epichrome Helper, will automatically install when the app is first launched, but will be DISABLED by default. The first time you run, a welcome page will show you how to enable it." with title "Success!" buttons {"Launch Now", "Reveal in Finder", "Quit"} default button "Launch Now" cancel button "Quit" with icon myIcon)
 										on error number -128
 											writeProperties() -- "Quit" button
 											return -- QUIT

app/src/runtime.sh

@@ -418,7 +418,7 @@ function linktree { # $1 = SOFT/HARD
 	    	"$tryid link error: Unable to create symlink to $entry."
 	else
 	    # hard link
-	    try /bin/pax -rwlpe "$entry" "$destdir" \
+	    try /bin/pax -rwlpp "$entry" "$destdir" \
 		"$tryid link error: Unable to create link to $entry."
 	fi
     done