feat: initial release

Dockerfile

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+FROM alpine:3.9
+
+RUN apk --no-cache add openssl git curl openssh-client bash
+
+COPY entrypoint.sh /entrypoint.sh
+ENTRYPOINT [ "/entrypoint.sh" ]

README.md

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+# push
+
+Push changes made by actions right back into the current repository.
+
+```yml
+uses: actions-js/push@v1
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+```

action.yml

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+name: 'Push'
+description: 'Push changes made by actions right back into the current repository.'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+branding:
+  icon: 'arrow-up-circle'
+  color: 'green'

entrypoint.sh

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+#!/bin/sh
+
+# a github token is needed to grant 
+# push priviledges for the current repo
+if [ -z "${GITHUB_TOKEN}" ]; then
+    echo "error: not found GITHUB_TOKEN"
+    exit 1
+fi
+
+repository="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
+
+git config http.sslVerify false
+git config user.name "Push Bot"
+git config user.email "[email protected]"
+git remote add publisher "${repository}"
+
+git show-ref
+git branch --verbose
+
+# publish any new files
+git checkout master
+git add -A
+
+timestamp=$(date -u)
+git commit -m "Automated push: ${timestamp} ${GITHUB_SHA}" || exit 0
+
+git pull --rebase publisher master
+git push publisher master