CICD Pipeline(Heroku)Yml, error

[Prashanth Patelc]

I am hosting my app in Heroku using CICD Pipeline
I am getting this error .Please help to solve this issue.

Already up to date.
43
<https://github.com/Prashanyh/CI-CD-GitActions/runs/6708642880?check_suite_focus=true#step:10:44>Everything
up-to-date
44
<https://github.com/Prashanyh/CI-CD-GitActions/runs/6708642880?check_suite_focus=true#step:10:45>fatal:
couldn't find remote ref main
45
<https://github.com/Prashanyh/CI-CD-GitActions/runs/6708642880?check_suite_focus=true#step:10:46>Error:
Process completed with exit code 1.

This is my yml file
=================
name: Django CI
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- run: |
git fetch --unshallow origin
- name: Set up Python 3.8
uses: actions/setup-python@v2
with:
python-version: 3.8
- name: Install Dependencies
run: |
python -m pip install --upgrade pip
pip install -r requirements.txt
- name: Run migrations
run: python manage.py makemigrations
- name: Run migrations
run: python manage.py migrate
- name: Run Tests
run: |
python manage.py test
- name: Add remote origin
if: github.event.ref == 'refs/heads/main' && job.status == 'success'
run: |
git remote add heroku https://heroku:${{ secrets.HEROKU_API_KEY }}@
git.heroku.com/${{ secrets.HEROKU_APP_NAME }}.git
- name: Deploy to Heroku
run: |
git config --global user.email "my ema...@some.com"
git config --global user.name "Prashanyh"
git config --list
git prune
git remote add upstream projecturl
git pull origin main
git push origin main
git pull heroku main
git push heroku main
git fetch upstream

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