diff --git a/.github/workflows/impactifier.yml b/.github/workflows/impactifier.yml
index db2b6d9..f98ae46 100644
--- a/.github/workflows/impactifier.yml
+++ b/.github/workflows/impactifier.yml
@@ -46,16 +46,53 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          ./target/release/impactifier --config impactifier-config.yaml
+          ./target/release/impactifier --tracing-level=0 --from-branch=main --to-branch=refactor
 
       - name: Post Comment on Pull Request
         if: github.event_name == 'pull_request'
         uses: actions/github-script@v6
         with:
           script: |
+            const fs = require('fs');
+            const path = 'diff.json'; // Path to the diff JSON file
+
+            // Check if the diff file exists
+            if (!fs.existsSync(path)) {
+              console.log('No diff.json file found.');
+              return;
+            }
+
+            // Read and parse the diff JSON
+            const rawData = fs.readFileSync(path, 'utf8');
+            let diffData;
+            try {
+              diffData = JSON.parse(rawData);
+            } catch (error) {
+              console.error('Failed to parse diff.json:', error);
+              return;
+            }
+
+            // Format the diff for the comment
+            let formattedDiff = '';
+            if (diffData.deltas && Array.isArray(diffData.deltas)) {
+              diffData.deltas.forEach(delta => {
+                if (delta.value) {
+                  formattedDiff += `${delta.value}\n`;
+                }
+              });
+            } else {
+              formattedDiff = 'No differences found.';
+            }
+
+            // Create the comment body with the diff in a Markdown code block
+            const commentBody = `## Impactifier Report
+
+            ```diff ${formattedDiff} ````;
+
             github.rest.issues.createComment({
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,
-              body: `## Impactifier Report`
+              body: commentBody
             });
+
diff --git a/src/cli.rs b/src/cli.rs
index 88cb418..2bd422d 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,3 +1,5 @@
+use std::fs::File;
+use std::io::Write;
 use std::path::Path;
 
 use clap::Parser;
@@ -67,6 +69,9 @@ struct Args {
     /// 4 = Error
     #[arg(long, default_value_t = 2)]
     tracing_level: u8,
+
+    #[arg(long, default_value_t=String::from("origin"))]
+    origin: String,
 }
 
 // TODO add more credentials variants
@@ -127,12 +132,12 @@ pub fn run() -> Result<(), CliError> {
         },
     };
 
-    let credentials = Credentials::UsernamePassword {
+    let mock_credentials = Credentials::UsernamePassword {
         username: "wzslr321",
         password: "TEST",
     };
 
-    crate::git::fetch_remote(&repository, "origin", &credentials).unwrap();
+    crate::git::fetch_remote(&repository, &args.origin, &mock_credentials).unwrap();
 
     let diff = extract_difference(
         &repository,
@@ -140,9 +145,12 @@ pub fn run() -> Result<(), CliError> {
             from: &args.from_branch.unwrap(),
             to: &args.to_branch.unwrap_or_else(|| "main".to_string()),
         },
-    );
+    )
+    .unwrap();
+    let serialized = serde_yaml::to_string(&diff);
 
-    println!("{:?}", diff);
+    let mut file = File::create("./diff.txt").unwrap();
+    file.write_all(serialized.unwrap().as_bytes()).unwrap();
 
     Ok(())
 }
diff --git a/src/git.rs b/src/git.rs
index 2b98704..499e20f 100644
--- a/src/git.rs
+++ b/src/git.rs
@@ -1,4 +1,5 @@
 use std::path::Path;
+use serde::Serialize;
 use thiserror::Error;
 
 use git2::{Cred, RemoteCallbacks, Repository};
@@ -29,12 +30,12 @@ pub enum GitError {
     // Unknown { err: Box<dyn std::error::Error> },
 }
 
-#[derive(Debug)]
+#[derive(Debug, Serialize)]
 pub struct Diff {
     pub deltas: Vec<FileDelta>,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Serialize)]
 pub struct FileDelta {
     pub value: String,
 }