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add 3d-print docs

add 3d-print docs #17

Workflow file for this run

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# File: .github/workflows/unicode_warn.yml
# Version: 0.1
# Purpose: Detects Unicode in PRs and comments the results of findings in PR
# * https://tech.michaelaltfield.net/bidi-unicode-github-defense/
# Authors: Michael Altfield <[email protected]>
# Created: 2021-11-20
# Updated: 2021-11-20
################################################################################
name: malicious_sanity_checks
# execute this workflow automatically on all PRs
on: [pull_request]
jobs:
unicode_warn:
runs-on: ubuntu-latest
container: debian:bullseye-slim
steps:
- name: Prereqs
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: |
apt-get update
apt-get install -y git bsdmainutils
git clone "https://token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" .
shell: bash
- name: Check diff for unicode
id: unicode_diff
run: |
set -x
diff=`git diff --unified=0 ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }} | grep -E "^[+]" | grep -Ev '^(--- a/|\+\+\+ b/)'`
unicode_diff=`echo -n "${diff}" | grep -oP "[^\x00-\x7F]*"`
unicode_grep_exit_code=$?
echo "${unicode_diff}"
unicode_diff_hexdump=`echo -n "${unicode_diff}" | hd`
echo "${unicode_diff_hexdump}"
# did we select any unicode characters?
if [[ "${unicode_diff_hexdump}" == "" ]]; then
# we didn't find any unicode characters
human_result="INFO: No unicode characters found in PR's commits"
echo "${human_result}"
else
# we found at least 1 unicode character
human_result="^^ WARNING: Unicode characters found in diff!"
echo "${human_result}"
echo "${diff}"
fi
echo "UNICODE_HUMAN_RESULT=${human_result}" >> $GITHUB_ENV
shell: bash {0}
# leave a comment on the PR. See also
# * https://stackoverflow.com/a/64126737
# make sure this doesn't open command injection risks
# * https://github.com/victoriadrake/github-guestbook/issues/1#issuecomment-657121754
- name: Leave comment on PR
uses: actions/github-script@v5
with:
github-token: ${{secrets.GITHUB_TOKEN}}
script: |
github.rest.issues.createComment({
issue_number: context.issue.number,
owner: context.repo.owner,
repo: context.repo.repo,
body: "${{ env.UNICODE_HUMAN_RESULT }}"
})