Update git attributes to allow install scripts to be in LF

.gitattributes

@@ -15,4 +15,3 @@
 # Shell scripts
 *.sh eol=lf
 *.completion eol=lf
-install eol=lf

scripts/curl_install/install

@@ -6,7 +6,7 @@
 #---------------------------------------------------------------------------------------------
 
 #
-# Bash script to install the Azure CLI
+# Bash script to install the VSTS CLI
 #
 
 INSTALL_SCRIPT_URL="https://vstscli.blob.core.windows.net/install/install.py"
@@ -14,10 +14,13 @@ INSTALL_SCRIPT_SHA256=264f6e73cd46052b0a0e494dbe304c0ea89926c1762cf6e80bca69be3d
 _TTY=/dev/tty
 
 install_script=$(mktemp -t vsts_cli_install_tmp_XXXX) || exit
+
 echo "Downloading Microsoft VSTS CLI install script from $INSTALL_SCRIPT_URL to $install_script."
 
 curl -# $INSTALL_SCRIPT_URL > $install_script || exit
 
+# Check validity of the script (temporarily turned off)
+
 #if command -v sha256sum >/dev/null 2>&1
 #then
 #  echo "$INSTALL_SCRIPT_SHA256  $install_script" | sha256sum -c - || exit

scripts/curl_install/install.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # --------------------------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -160,8 +160,11 @@ def create_executable(exec_dir, install_dir):
     create_dir(exec_dir)
     exec_filepath = os.path.join(exec_dir, EXECUTABLE_NAME)
 
-    os.symlink(actual_exec_filepath, exec_filepath)
-
+    try:
+        os.symlink(actual_exec_filepath, exec_filepath)
+    except (OSError, IOError):
+        pass
+    
     cur_stat = os.stat(exec_filepath)
     os.chmod(exec_filepath, cur_stat.st_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
     print_status("The executable is available at '{}'.".format(exec_filepath))