Add postinstall script to debian package for telemetry notification

packaging/debian/postinst

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+echo "This software may collect information about you and your use of the software, and send that to Microsoft."
+echo "Please visit http://aka.ms/dotnet-cli-eula for more information."

scripts/package/package-debian.sh

@@ -158,6 +158,7 @@ create_empty_debian_layout(){
     mkdir "$PACKAGE_LAYOUT_DIR/package_root"
     mkdir "$PACKAGE_LAYOUT_DIR/samples"
     mkdir "$PACKAGE_LAYOUT_DIR/docs"
+    mkdir "$PACKAGE_LAYOUT_DIR/DEBIAN"
 }
 
 copy_files_to_debian_layout(){
@@ -175,6 +176,11 @@ copy_files_to_debian_layout(){
     # Append Version to all manpage files
     for manpage in "$PACKAGE_LAYOUT_DIR/docs/"*.1; do mv "$manpage" "${manpage%.1}"; done
     for manpage in "$PACKAGE_LAYOUT_DIR/docs/"*; do mv "$manpage" "${manpage}-${DOTNET_CLI_VERSION}.1"; done
+
+    # Copy postinstall
+    cp "$PACKAGING_ROOT/postinst" "$PACKAGE_LAYOUT_DIR/$"
+    #cp "$PACKAGING_ROOT/postinst" "PACKAGE_LAYOUT_DIR/package_root"
+    #cp "$PACKAGING_ROOT/postinst" "$PACKAGE_LAYOUT_DIR/DEBIAN/postinst"
 }
 
 create_debian_package(){

tools/DebianPackageTool/package_tool

@@ -152,6 +152,7 @@ package_all(){
     package_absolute_placement
     package_samples
     package_docs
+    package_debian
 }
 
 generate_all(){
@@ -216,6 +217,12 @@ package_docs(){
     fi
 }
 
+package_debian(){
+    if [[ -d "$ABSOLUTE_PLACEMENT_DIR" ]]; then
+        cp "$ABSOLUTE_PLACEMENT_DIR/postinst" $DEBIAN_DIR/postinst
+    fi
+}
+
 ## Generation Functions ##
 generate_config_templates(){
     python ${SCRIPT_DIR}/scripts/config_template_generator.py $CONFIG $SCRIPT_DIR/templates/debian $DEBIAN_DIR $PACKAGE_NAME $PACKAGE_VERSION