Collect Bing.com daily images #1350

	name: Collect Bing.com daily images

	on:
	schedule:
	- cron: '0 1 * * *'

	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	- name: Download image
	run: \|
	tail=`curl "https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1" \| grep -oP "th\?id=.*?jpg"`
	image_name=`echo $tail \| grep -oP 'OHR\.\K([a-zA-Z]+)'`
	wget -O "images/${image_name}.jpg" https://bing.com/${tail}

	- name: Upadte README
	run: \|
	image=`ls -t images/*.jpg \| head -1`
	echo latest image is $image
	sed -i "s/last update:.*/last update:`date +"%F %H:%M:%S"` UTC/g" README.md
	sed -i "s#\!\[\](images/.*)#\!\[\]($image)#g" README.md

	- name: Commit
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git status
	git add images/*.jpg README.md
	git commit -m "auto commit from github actions"

	- name: Push
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: master

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