Include git hash in version

tools/buildscript_versioning.py

@@ -3,6 +3,7 @@ FILENAME_VERSION_H = 'include/version.h'
 version = 'v0.3.'
 
 import datetime
+from subprocess import *
 
 build_no = 0
 try:
@@ -15,7 +16,15 @@ with open(FILENAME_BUILDNO, 'w+') as f:
     f.write(str(build_no))
     print('Build number: {}'.format(build_no))
 
-version_string = "{} - {}".format(version+str(build_no), datetime.datetime.now())
+version_full = version + str(build_no)
+
+try:
+    git_id = Popen('git rev-parse --short HEAD', stdout=PIPE, shell=True).stdout.read().strip().decode('ascii')
+    version_full = "%s-%s" % (version_full, git_id)
+except:
+    pass
+
+version_string = "{} - {}".format(version_full, datetime.datetime.now())
 hf = """
 #ifndef BUILD_NUMBER
   #define BUILD_NUMBER "{}"
@@ -26,7 +35,7 @@ hf = """
 #ifndef VERSION_SHORT
   #define VERSION_SHORT "{}"
 #endif
-""".format(build_no, version_string, version+str(build_no))
+""".format(build_no, version_string, version_full)
 with open(FILENAME_VERSION_H, 'w+') as f:
     f.write(hf)