Github REST API update file with commit

github-api-update-file.sh

REPO=rammus/action-demo
FILE=README.md
INPUT_GITHUB_TOKEN=

# https://docs.github.com/en/free-pro-team@latest/rest/reference/repos#get-repository-content

curl \
  -H "Accept: application/vnd.github.v3+json" \
  -H "Authorization: token $INPUT_GITHUB_TOKEN" \
  "https://api.github.com/repos/${REPO}/contents/${FILE}"

# https://docs.github.com/en/free-pro-team@latest/rest/reference/repos#create-or-update-file-contents

curl \
    -X PUT \
    -H "Accept: application/vnd.github.v3+json" \
    -H "Authorization: token $INPUT_GITHUB_TOKEN" \
    "https://api.github.com/repos/${REPO}/contents/${FILE}" \
    -d '{"message":"message","content":"'$(echo content|base64)'", "sha":"SHA_FROM_ABOVE"}'