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update submodules #14
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name: update submodules | |
# This workflow will checkout the tracked branch of all submodules | |
# and will update the submodule pull the latest commit of that submodule branch | |
# If the branch was not up to date this will then open a PR against the base branch | |
# in the repo this submodule belongs to. | |
# ---- WARNING ---- | |
# Currently if the submodule is not tracking the default branch, | |
# this will workflow will fail. | |
# | |
# requires sudmodules URL to be "https..." (no ssh) | |
# requires submodule to be specified to follow a specific branch (stored in .gitmodules) | |
# | |
# clone them with: | |
# | |
# git submodule add -b branch_to_follow https://github.com/... submodule_path | |
# | |
# or specify it with: | |
# | |
# git config -f .gitmodules submodule.submodule_path.branch branch_to_follow | |
# | |
# Uses the cron schedule for github actions | |
# | |
# https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows#scheduled-events | |
# | |
# ┌───────────── minute (0 - 59) | |
# │ ┌───────────── hour (0 - 23) | |
# │ │ ┌───────────── day of the month (1 - 31) | |
# │ │ │ ┌───────────── month (1 - 12 or JAN-DEC) | |
# │ │ │ │ ┌───────────── day of the week (0 - 6 or SUN-SAT) | |
# │ │ │ │ │ | |
# │ │ │ │ │ | |
# │ │ │ │ │ | |
# * * * * * | |
on: | |
push: | |
branches: | |
- master | |
schedule: | |
- cron: "0 0 1 * *" | |
# to trigger update manually from the Action tab in github | |
workflow_dispatch: | |
inputs: | |
log: | |
description: "Log" | |
required: false | |
defaults: | |
run: | |
shell: bash | |
jobs: | |
update_submodules: | |
# only trigger update on upstream repo | |
if: github.repository_owner == 'bids-standard' | |
runs-on: ubuntu-latest | |
steps: | |
- name: Clone repo | |
uses: actions/checkout@v3 | |
with: | |
submodules: true | |
# check out the correct branch for each submodule and pull them all | |
# https://stackoverflow.com/questions/5828324/update-git-submodule-to-latest-commit-on-origin | |
- name: Update submodules | |
run: | | |
set -e -u | |
start_dir=$PWD | |
submodules=$(git submodule | awk '{print $2}') | |
nb_submod=$(echo "${submodules}" | wc -l) | |
echo -e "\nUPDATING ${nb_submod} SUBMODULES" | |
echo -e "${submodules}" | |
paths=$(git config --file .gitmodules --name-only --get-regexp path) | |
branches=$(git config --file .gitmodules --name-only --get-regexp branch) | |
for i in $(seq 1 "${nb_submod}"); do | |
path=$(echo "${paths}" | awk -v i="${i}" '{print $i}') | |
path=$(git config --get --file .gitmodules "${path}") | |
branch=$(echo "${branches}" | awk -v i="${i}" '{print $i}') | |
branch=$(git config --get --file .gitmodules "${branch}") | |
echo -e "\nswitching submodule ${path} to ${branch}" | |
cd "${path}" || exit | |
git checkout "${branch}" | |
cd "${start_dir}" | |
done | |
git submodule update --remote --merge | |
# if there have been changes, | |
# a PR is created using the checkout branch for this workflow | |
# https://github.com/peter-evans/create-pull-request | |
- name: Create Pull-Request | |
uses: peter-evans/create-pull-request@v4 | |
with: | |
commit-message: Update submodules | |
delete-branch: true | |
title: 'MNT: Update git submodules' | |
body: 'done via this [GitHub Action](https://github.com/${{ github.repository }}/blob/${{ github.ref_name }}/.github/workflows/update_submodules.yml)' |