semver to only output a version if the git tag for the version and the current commit hash match

.bumpversion.cfg

@@ -2,7 +2,7 @@
 current_version = 1.0.5
 commit = True
 tag = True
-tag_name = v{new_version}
+tag_name = {new_version}
 message = Bump version: {current_version} -> {new_version}
 
 [bumpversion:file:semver.semver]

semver/__init__.py

@@ -7,7 +7,7 @@ except ImportError:
     # Python < 3
     from ConfigParser import ConfigParser
 
-version = "1.0.7"
+version = "1.0.8"
 
 
 # Define common exceptions;

semver/get_version.py

@@ -1,3 +1,4 @@
+import subprocess
 try:
     from configparser import ConfigParser
 except ImportError:
@@ -9,6 +10,18 @@ def get_version():
     config = ConfigParser()
     config.read('./.bumpversion.cfg')
     version = config.get('bumpversion', 'current_version')
+    # Get the commit hash of the version 
+    v_hash = subprocess.Popen(['git', 'rev-list', '-n', '1', version], stdout=subprocess.PIPE,
+                             cwd='.').stdout.read().decode('utf-8').rstrip()
+    # Get the current commit hash
+    c_hash = subprocess.Popen(['git', 'rev-parse', 'HEAD'], stdout=subprocess.PIPE,
+                             cwd='.').stdout.read().decode('utf-8').rstrip()
+    # If the version commit hash and current commit hash
+    # do not match return the branch name else return the version
+    if v_hash != c_hash:
+        b = subprocess.Popen(['git', 'rev-parse', '--abbrev-ref', 'HEAD'], stdout=subprocess.PIPE,
+                            cwd='.').stdout.read().decode('utf-8').rstrip()
+        return b
     return version