From ae5319c58cd6b42e42965d687e0722f55952d3fb Mon Sep 17 00:00:00 2001
From: Patrick Lipka <patrick.lipka@emea.nec.com>
Date: Fri, 17 Dec 2021 17:00:22 +0100
Subject: [PATCH] version command added

---
 README.md  |  5 ++++-
 src/tt.h   |  2 ++
 src/ui.cpp | 12 +++++++++++-
 src/ui.h   |  3 ++-
 4 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 954cc9b..777bd3c 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,7 @@ Switched to task HPCE/test
 ~~~
 
 #### `rm [<Project Name>/]<Task Name> | <Project Name>`
-Deletes all data of a project or task. \ 
+Deletes all data of a project or task.\ 
 If only a project name is provided, the project with all tasks is beeing deleted. The previous project in the project list is set active\
 If only a task name is provided, this task is beeing deleted from the active project if present. The previous task in the task list is set active.\
 If `<Project Name>/<Task Name>` is provided, the task with name `<Task Name>` is deleted from project `<Project Name>` if both are present.
@@ -250,3 +250,6 @@ Project: Code Project
 --- Debugging: 9.26
 Total: 24.35
 ~~~
+
+### `version`
+Prints the version number of `tt`
diff --git a/src/tt.h b/src/tt.h
index 0ab361c..4633dc3 100644
--- a/src/tt.h
+++ b/src/tt.h
@@ -3,6 +3,8 @@
 
 #include <string>
 
+#define TT_VERSION 1.0
+
 // global variables:
 extern std::string user_name;
 extern std::string tracking_dir;
diff --git a/src/ui.cpp b/src/ui.cpp
index 278fcab..88c26c0 100644
--- a/src/ui.cpp
+++ b/src/ui.cpp
@@ -28,7 +28,8 @@ std::string command_names[num_commands]={
     "report",
     "ls",
     "start",
-    "save"
+    "save",
+    "version"
 };
 
 std::vector<std::string> autocomplete_names; // global variable
@@ -173,6 +174,8 @@ void parse_input(std::string input, ProjectList *proj_list){
         }
     }else if (command == "save"){
         command_save(proj_list);
+    }else if (command == "version"){
+        command_version();
     }
 }
 
@@ -612,3 +615,10 @@ void command_save(ProjectList *proj_list){
     proj_list->save(file_name);
     std::cout << "Tracking data saved to file " << file_name << std::endl;
 }
+
+// print version number
+void command_version(){
+    std::cout << "tt v." << STRING(TT_VERSION) << std::endl;
+    std::cout << "Author: Patrick Lipka (patrick.lipka@emea.nec.com)" << std::endl;
+    std::cout << "tt is free software published under the BSD-2-Clause licence (see. https://opensource.org/licenses/BSD-2-Clause)" << std::endl;
+}
diff --git a/src/ui.h b/src/ui.h
index a000d14..5fde932 100644
--- a/src/ui.h
+++ b/src/ui.h
@@ -5,7 +5,7 @@
 #include <string>
 #include "project.h"
 
-const int num_commands=12;
+const int num_commands=13;
 extern std::string command_names[num_commands];
 extern std::vector<std::string> autocomplete_names;
 char **tt_name_completion(const char* text, int start, int end);
@@ -30,4 +30,5 @@ void command_at(std::string input, int wtime, ProjectList *proj_list);
 void command_rt(std::string input, int wtime, ProjectList *proj_list);
 void command_report(std::string date_str, ProjectList *proj_list);
 void command_save(ProjectList *proj_list);
+void command_version();
 #endif