Avoid tag/branch duplication if same value

functions/vcs.zsh

@@ -67,9 +67,13 @@ function +vi-git-tagname() {
     local tag
 
     tag=$(git describe --tags --exact-match HEAD 2>/dev/null)
+    head=$(git describe --all)
+    # Make sure that detached head and tag differ in name
+    if [[ "${head}" != "${tag}" ]]; then
       # Append the tag segment to the branch one
       [[ -n "${tag}" ]] && hook_com[branch]+=" $(print_icon 'VCS_TAG_ICON')${tag}"
     fi
+  fi
 }
 
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