code server scripts: use realpath

build/gulpfile.reh.js

@@ -329,7 +329,7 @@ function packageTask(type, platform, arch, sourceFolderName, destinationFolderNa
 					.pipe(replace('@@APPNAME@@', product.applicationName))
 					.pipe(rename(`bin/helpers/browser.sh`))
 					.pipe(util.setExecutableBit()),
-				gulp.src('resources/server/bin/code-server.sh', { base: '.' })
+				gulp.src(`resources/server/bin/${platform === 'darwin' ? 'code-server-darwin.sh' : 'code-server-linux.sh'}`, { base: '.' })
 					.pipe(rename(`bin/${product.serverApplicationName}`))
 					.pipe(util.setExecutableBit())
 			);

resources/server/bin/code-server-darwin.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env sh
+#
+# Copyright (c) Microsoft Corporation. All rights reserved.
+#
+
+case "$1" in
+	--inspect*) INSPECT="$1"; shift;;
+esac
+
+function realpath() { python -c "import os,sys; print(os.path.realpath(sys.argv[1]))" "$0"; }
+ROOT=$(dirname $(dirname $(realpath "$0")))
+
+"$ROOT/node" ${INSPECT:-} "$ROOT/out/server-main.js" "$@"

resources/server/bin/code-server-linux.sh

@@ -7,6 +7,6 @@ case "$1" in
 	--inspect*) INSPECT="$1"; shift;;
 esac
 
-ROOT=$(dirname "$(dirname "$0")")
+ROOT=$(dirname $(dirname $(readlink -f $0)))
 
 "$ROOT/node" ${INSPECT:-} "$ROOT/out/server-main.js" "$@"