Update main_py_to_bitly.yml #22

	name: CI
	on:
	push:
	branches: [ master ]
	jobs:
	job1:
	runs-on: ubuntu-latest
	steps:
	- name: get repo
	uses: actions/checkout@v4
	with:
	fetch-depth: 2
	- name: get path of main.py
	run: \|
	echo "zero_length_string="" >> $GITHUB_ENV
	echo "path_of_main_py=$(git diff --name-only HEAD~1 HEAD \| grep '/main\.py')" >> $GITHUB_ENV
	- name: Existing path of main.py
	if: ${{ env.zero_length_string }} == ${{ env.path_of_main_py }}
	run: \|
	echo "No main.py"
	exit 1
	- name: Decorate path_of_main_py
	run: echo "path_of_main_py=https://github.com/skysign/WSAPT/${{ env.path_of_main_py }}" >> $GITHUB_ENV
	- name: Print path_of_main_py
	run: echo "${{ env.path_of_main_py }}"

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