Merge branch 'backupsrc' of https://github.com/vmayoral/hlsclt into d…

…evelop

Merge in PR to add feature which backs up current source and project
file to HLS solution folder.

hlsclt/build_commands/build_commands.py

@@ -10,6 +10,7 @@
 import subprocess
 from hlsclt.helper_funcs import find_solution_num
 from hlsclt.report_commands.report_commands import open_report
+import shutil
 
 ### Supporting Functions ###
 # Function to generate the 'pre-amble' within the HLS Tcl build script.
@@ -108,6 +109,19 @@ def do_export_stuff(ctx,type,evaluate):
 
 # Function which defines the actions that occur after a HLS build.
 def do_end_build_stuff(ctx,sub_command_returns,report):
+    # Copy the src/ files as well as the config file to keep track of the changes over solutions
+    config = ctx.obj.config
+    solution_num = ctx.obj.solution_num
+    click.echo("Copying the source and config files to solution"+str(solution_num))
+    destiny = config["project_name"] + "/solution" + str(solution_num)
+    destiny_src = destiny + "/src"
+    destiny_config = destiny + "/hls_config.py"
+    # If we are overwriting an existing solution delete the source directory first.
+    if ctx.params['keep'] == 0:
+        shutil.rmtree(destiny_src, ignore_errors=True)
+    shutil.copytree("src", destiny_src)
+    shutil.copyfile("hls_config.py", destiny_config)
+
     # Check for reporting flag
     if report:
         if not sub_command_returns: