JAL-3830 powershell follows symlinks as they do exist in NTFS, and of course in linux

diff --git a/utils/getdown/jalviewc.ps1 b/utils/getdown/jalviewc.ps1
index 44746b1..d3bde6a 100755 (executable)
--- a/utils/getdown/jalviewc.ps1
+++ b/utils/getdown/jalviewc.ps1
@@ -3,8 +3,9 @@
 # save args and first parameter
 $ARGS = $args
 $ARG1 = $args[0]
-# parent dir of this script (should be the getdown app dir)
-$DIR = Split-Path $MyInvocation.MyCommand.Path -Parent
+# parent dir of this script (should be the getdown app dir). Follow symlinks.
+$TARGET = ( Get-Item $MyInvocation.MyCommand.Path ).Target
+$DIR = ( $TARGET -eq $null ) ? ( Split-Path $MyInvocation.MyCommand.Path -Parent ) : ( Split-Path $TARGET -Parent )
 
 # insert an "-open" parameter to Jalview's ARGS if ARG1 is non-zero-length, and not "open" or starts with a "-"
 if ( $ARG1.length -gt 0 -and ( -not $ARG1.StartsWith("-") ) -and $ARG1 -cne "open" ) {
@@ -16,7 +17,6 @@ $JAVAEXE = ( $IsWindows ? "java.exe" : "java" )
 $JAVA = Join-Path -Path $APPDIR -ChildPath ( "jre/" + ( $IsMacOs ? "Contents/Home/" : "" ) + "bin/${JAVAEXE}" )
 $GETDOWNTXT = Join-Path -Path $APPDIR -ChildPath "getdown.txt"
 
-Write-Host "JAVA=$JAVA"
 # look for getdown.txt -- needed to create classpath
 if ( -not ( Test-Path -Path "${GETDOWNTXT}" ) ) {
   throw "Cannot find getdown.txt"