diff --git a/git-quick-stats b/git-quick-stats
index 15173d2..154b60a 100755
--- a/git-quick-stats
+++ b/git-quick-stats
@@ -165,73 +165,89 @@ function option_picked() {
 # OUTS: None
 ################################################################################
 function detailedGitStats() {
-    option_picked "Contribution stats (by author):"
-    git -c log.showSignature=false log --use-mailmap --no-merges --numstat \
-        --pretty="format:commit %H%nAuthor: %aN <%aE>%nDate:   %ad%n%n%w(0,4,4)%B%n" \
-        $_since $_until $_pathspec | LC_ALL=C awk '
-    function printStats(author) {
-      printf "\t%s:\n", author
+    local branch="${1:-}"
+    local _branch=""
 
-      if(more["total"] > 0) {
-        printf "\t  insertions:    %d (%.0f%%)\n", more[author], \
-            (more[author] / more["total"] * 100)
-      }
+    if [[ -z "${branch}" ]]; then
+        option_picked "Contribution stats (by author):"
+    else
+        option_picked "Contribution stats (by author) on ${branch} branch:"
+        _branch="${branch}"
+    fi
 
-      if(less["total"] > 0) {
-        printf "\t  deletions:     %d (%.0f%%)\n", less[author], \
-            (less[author] / less["total"] * 100)
-      }
+    {
+    
+        git -c log.showSignature=false log ${branch} --use-mailmap --no-merges --numstat \
+            --pretty="format:commit %H%nAuthor: %aN <%aE>%nDate:   %ad%n%n%w(0,4,4)%B%n" \
+            $_since $_until $_pathspec | LC_ALL=C awk '
+        function printStats(author) {
+        printf "\t%s:\n", author
 
-      if(file["total"] > 0) {
-        printf "\t  files:         %d (%.0f%%)\n", file[author], \
-            (file[author] / file["total"] * 100)
-      }
-
-      if(commits["total"] > 0) {
-        printf "\t  commits:       %d (%.0f%%)\n", commits[author], \
-            (commits[author] / commits["total"] * 100)
-      }
-
-      if (first[author] != "") {
-        printf "\t  lines changed: %s\n", more[author] + less[author]
-        printf "\t  first commit:  %s\n", first[author]
-        printf "\t  last commit:   %s\n", last[author]
-      }
-
-      printf "\n"
-    }
-
-    /^Author:/ {
-      $1 = ""
-      author = $0
-      commits[author] += 1
-      commits["total"] += 1
-    }
-
-    /^Date:/ {
-      $1="";
-      first[author] = substr($0, 2)
-      if(last[author] == "" ) { last[author] = first[author] }
-    }
-
-    /^[0-9]/ {
-      more[author] += $1
-      less[author] += $2
-      file[author] += 1
-
-      more["total"]  += $1
-      less["total"]  += $2
-      file["total"]  += 1
-    }
-
-    END {
-      for (author in commits) {
-        if (author != "total") {
-          printStats(author)
+        if(more["total"] > 0) {
+            printf "\t  insertions:    %d (%.0f%%)\n", more[author], \
+                (more[author] / more["total"] * 100)
         }
-      }
-      printStats("total")
-    }'
+
+        if(less["total"] > 0) {
+            printf "\t  deletions:     %d (%.0f%%)\n", less[author], \
+                (less[author] / less["total"] * 100)
+        }
+
+        if(file["total"] > 0) {
+            printf "\t  files:         %d (%.0f%%)\n", file[author], \
+                (file[author] / file["total"] * 100)
+        }
+
+        if(commits["total"] > 0) {
+            printf "\t  commits:       %d (%.0f%%)\n", commits[author], \
+                (commits[author] / commits["total"] * 100)
+        }
+
+        if (first[author] != "") {
+            printf "\t  lines changed: %s\n", more[author] + less[author]
+            printf "\t  first commit:  %s\n", first[author]
+            printf "\t  last commit:   %s\n", last[author]
+        }
+
+        printf "\n"
+        }
+
+        /^Author:/ {
+        $1 = ""
+        author = $0
+        commits[author] += 1
+        commits["total"] += 1
+        }
+
+        /^Date:/ {
+        $1="";
+        first[author] = substr($0, 2)
+        if(last[author] == "" ) { last[author] = first[author] }
+        }
+
+        /^[0-9]/ {
+        more[author] += $1
+        less[author] += $2
+        file[author] += 1
+
+        more["total"]  += $1
+        less["total"]  += $2
+        file["total"]  += 1
+        }
+
+        END {
+        for (author in commits) {
+            if (author != "total") {
+            printStats(author)
+            }
+        }
+        printStats("total")
+        }'
+    } || {
+        # If branch does not exist
+        echo "Branch does not exist";
+        show_menu
+    }
 }
 
 ################################################################################
@@ -492,6 +508,14 @@ if [[ "$#" -eq 1 ]]; then
     case "$1" in
         -r|--suggest-reviewers) suggestReviewers;;
         -T|--detailed-git-stats) detailedGitStats;;
+        # TODO
+        -R|--git-stats-by-branch)
+            branch=""
+            while [[ -z "${branch}" ]]; do 
+                read -r -p "Which branch? " branch
+            done
+            detailedGitStats "${branch}";;
+        # END TODO
         -b|--branch-tree) branchTree;;
         -d|--commits-per-day) commitsPerDay;;
         -a|--commits-per-author) commitsPerAuthor;;