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Debugging with Git Bisect - Find Bugs Fast

Tracking down a bug in a large codebase can be frustrating. **Git bisect** helps by using a binary search to quickly find the exact commit that introduced the issue.


## Step 1: Start Git Bisect

Begin by starting bisect mode:

```sh

git bisect start

```


## Step 2: Mark a Good and Bad Commit

Specify a known working commit:

```sh

git bisect good a1b2c3d

```

Mark the current commit (where the bug exists) as bad:

```sh

git bisect bad

```


## Step 3: Test and Mark Commits

Git checks out a middle commit. Run your app and test it:

```sh

./gradlew bootRun

```

If the bug exists:

```sh

git bisect bad

```

If the bug is not present:

```sh

git bisect good

```


## Step 4: Find the Bad Commit

Once Git finds the problematic commit, it displays:

```sh

1234567 is the first bad commit

```


## Step 5: Reset Git Bisect

Once the issue is identified, reset bisect mode:

```sh

git bisect reset

```


## Conclusion

Using **git bisect** can save you hours when debugging! Instead of checking each commit manually, bisect efficiently pinpoints the issue in just a few steps.


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