-# save first parameter
+#!/usr/bin/env pwsh
+
+# 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 -ne "open" ) {
+if ( $ARG1.length -gt 0 -and ( -not $ARG1.StartsWith("-") ) -and $ARG1 -cne "open" ) {
$ARGS = "-open " + $ARGS
}
$APPDIR = $DIR
-$JAVA = "${APPDIR}/jre/bin/java.exe"
-$GETDOWNTXT = "${APPDIR}/getdown.txt"
+$JAVAEXE = ( $IsWindows ? "java.exe" : "java" )
+$JAVA = Join-Path -Path $APPDIR -ChildPath ( "jre/" + ( $IsMacOs ? "Contents/Home/" : "" ) + "bin/${JAVAEXE}" )
+$GETDOWNTXT = Join-Path -Path $APPDIR -ChildPath "getdown.txt"
-if (-not (Test-Path -Path "${GETDOWNTXT}")) {
+# look for getdown.txt -- needed to create classpath
+if ( -not ( Test-Path -Path "${GETDOWNTXT}" ) ) {
throw "Cannot find getdown.txt"
}
-if (-not (Test-Path -Path "${JAVA}")) {
- Write-Host "Cannot find bundled java.exe. Using system and hoping for the best!"
- $JAVA = "java.exe"
+# look for bundled JRE. Might not be there if unix installer used in which case just invoke "java"
+if ( -not ( Test-Path -Path "${JAVA}" ) ) {
+ Write-Host "Cannot find bundled ${JAVAEXE}. Using system ${JAVAEXE} and hoping for the best!"
+ $JAVA = $JAVAEXE
}
-$CLASSPATH = (Select-String -Path "${GETDOWNTXT}" -AllMatches -Pattern "code\s*=\s*(.*)$" | foreach { "$DIR/$($_.Matches.Groups[1].Value)" }) -join ":"
+$CLASSPATH = ( Select-String -Path "${GETDOWNTXT}" -AllMatches -Pattern "code\s*=\s*(.*)$" | foreach { Join-Path -Path $DIR -ChildPath $($_.Matches.Groups[1].Value ) } ) -join ( $IsWindows ? ";" : ":" )
-Invoke-Expression -Command "${JAVA} -cp ${CLASSPATH} jalview.bin.Launcher $ARGS"
+Invoke-Expression -Command "${JAVA} -cp '${CLASSPATH}' jalview.bin.Launcher $ARGS"