toolcontext: provide option `set-dummy-tool` used to fix the `toolname` and `version...

Useful for testing.

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/src/toolcontext.nit b/src/toolcontext.nit
index 5b9d020..49e3cdc 100644 (file)
--- a/src/toolcontext.nit
+++ b/src/toolcontext.nit
@@ -3,6 +3,7 @@
 # Copyright 2006-2008 Floréal Morandat <morandat@lirmm.fr>
 # Copyright 2008-2012 Jean Privat <jean@pryen.org>
 # Copyright 2009 Jean-Sebastien Gelinas <calestar@gmail.com>
+# Copyright 2014 Alexandre Terrasa <alexandre@moz-code.org>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -182,6 +183,9 @@ class ToolContext
        # Option --version
        var opt_version: OptionBool = new OptionBool("Show version and exit", "--version")
 
+       # Option --set-dummy-tool
+       var opt_set_dummy_tool: OptionBool = new OptionBool("Set toolname and version to DUMMY. Useful for testing", "--set-dummy-tool")
+
        # Option --verbose
        var opt_verbose: OptionCount = new OptionCount("Verbose", "-v", "--verbose")
 
@@ -196,7 +200,7 @@ class ToolContext
 
        init
        do
-               option_context.add_option(opt_warn, opt_quiet, opt_stop_on_first_error, opt_no_color, opt_log, opt_log_dir, opt_help, opt_version, opt_verbose)
+               option_context.add_option(opt_warn, opt_quiet, opt_stop_on_first_error, opt_no_color, opt_log, opt_log_dir, opt_help, opt_version, opt_set_dummy_tool, opt_verbose)
        end
 
        # Name, usage and synopsis of the tool.
@@ -237,7 +241,7 @@ class ToolContext
                end
 
                if opt_version.value then
-                       print nit_version
+                       print version
                        exit 0
                end
 
@@ -269,6 +273,22 @@ class ToolContext
                nit_dir = compute_nit_dir
        end
 
+       # Get the current `nit_version` or "DUMMY_VERSION" if `--set-dummy-tool` is set.
+       fun version: String do
+               if opt_set_dummy_tool.value then
+                       return "DUMMY_VERSION"
+               end
+               return nit_version
+       end
+
+       # Get the name of the tool or "DUMMY_TOOL" id `--set-dummy-tool` is set.
+       fun toolname: String do
+               if opt_set_dummy_tool.value then
+                       return "DUMMY_TOOL"
+               end
+               return sys.program_name
+       end
+
        # The identified root directory of the Nit project
        var nit_dir: nullable String