Add limited delta stats after running

Signed-off-by: kadimitra <kadimitra@ece.auth.gr>

Author: dimitraka

src/deltacode/cli.py

@@ -63,6 +63,16 @@ def print_version(ctx, param, value):
     click.echo('DeltaCode version ' + __version__)
     ctx.exit()
 
+def print_summary(new,old,deltas_count):
+    click.echo(click.style('Delta check done.', fg='green'))
+    if deltas_count == 0:
+        click.echo('Summary:      The two codebases are identical.')
+    else:
+        click.echo('Summary:      The two codebases differ.')
+    click.echo('New file:     {}'.format(new))
+    click.echo('Old file:     {}'.format(old))
+    click.echo('Deltas count: {}'.format(deltas_count))
+    click.echo(click.style('For more information check out the json file.', fg='green'))
 
 @click.command()
 @click.help_option('-h', '--help')
@@ -91,3 +101,7 @@ def cli(new, old, json_file, all_delta_types):
 
     # generate JSON output
     write_json(deltacode, json_file, all_delta_types)
+
+    # show limited delta status
+    deltas_count = len([d for d in deltas(deltacode, all_delta_types)])
+    print_summary(new,old,deltas_count)