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check for upstream changes
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‎.github/bin/create-merge-branch.sh‎

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#!/usr/bin/env bash
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#####
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# This script creates a branch that merges the latest release
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#####
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set -ex
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# Only allow running on main
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CURRENT_BRANCH="$(git branch --show-current)"
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if [ "$CURRENT_BRANCH" != "main" ]; then
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echo "[ERROR] This script can only be run on the main branch" >&2
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exit 1
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fi
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if [ -n "$(git status --short)" ]; then
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echo "[ERROR] This script cannot run with uncommitted changes" >&2
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exit 1
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fi
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UPSTREAM_REPO="${UPSTREAM_REPO:-"stackhpc/ansible-slurm-appliance"}"
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echo "[INFO] Using upstream repo - $UPSTREAM_REPO"
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# Fetch the tag for the latest release from the upstream repository
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RELEASE_TAG="$(curl -fsSL "https://api.github.com/repos/${UPSTREAM_REPO}/releases/latest" | jq -r '.tag_name')"
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echo "[INFO] Found latest release tag - $RELEASE_TAG"
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# Add the repository as an upstream
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echo "[INFO] Adding upstream remote..."
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git remote add upstream "https://github.com/${UPSTREAM_REPO}.git"
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git remote show upstream
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echo "[INFO] Fetching remote tags..."
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git remote update
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# Use a branch that is named for the release
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BRANCH_NAME="upgrade/$RELEASE_TAG"
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# Check if the branch already exists on the origin
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# If it does, there is nothing more to do as the branch can be rebased from the MR
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if git show-branch "remotes/origin/$BRANCH_NAME" >/dev/null 2>&1; then
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echo "[INFO] Merge branch already created for $RELEASE_TAG"
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exit
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fi
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echo "[INFO] Merging release tag - $RELEASE_TAG"
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git merge --strategy recursive -X theirs --no-commit $RELEASE_TAG
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# Check if the merge resulted in any changes being staged
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if [ -n "$(git status --short)" ]; then
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echo "[INFO] Merge resulted in the following changes"
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git status
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# NOTE(scott): The GitHub create-pull-request action does
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# the commiting for us, so we only need to make branches
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# and commits if running outside of GitHub actions.
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if [ ! $GITHUB_ACTIONS ]; then
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echo "[INFO] Checking out temporary branch '$BRANCH_NAME'..."
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git checkout -b "$BRANCH_NAME"
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echo "[INFO] Committing changes"
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git commit -m "Upgrade ansible-slurm-applaince to $RELEASE_TAG"
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echo "[INFO] Pushing changes to origin"
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git push --set-upstream origin "$BRANCH_NAME"
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# Go back to the main branch at the end
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echo "[INFO] Reverting back to main"
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git checkout main
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echo "[INFO] Removing temporary branch"
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git branch -d "$BRANCH_NAME"
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fi
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# Write a file containing the branch name and tag
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# for automatic PR or MR creation that follows
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echo "BRANCH_NAME=\"$BRANCH_NAME\"" > .mergeenv
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echo "RELEASE_TAG=\"$RELEASE_TAG\"" >> .mergeenv
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else
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echo "[INFO] Merge resulted in no changes"
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fi

‎.github/workflows/upgrade-check.yml.sample‎

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# This workflow compares a downstream ansible-slurm-appliance repository for a specific site with the upstream
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# stackhpc/ansible-slurm-appliance repository to check whether there is a new upstream version available. If a
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# newer tag is found in the upstream repository then a pull request is created to the downstream repo
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# in order to merge in the changes from the new upstream release.
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# To use this workflow in a downstream ansible-slurm-appliance repository simply copy it into .github/workflows
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# and give it an appropriate name, e.g.
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# cp .github/workflows/upgrade-check.yml.sample .github/workflows/upgrade-check.yml
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name: Check for upstream updates
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on:
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schedule:
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- cron: "0 9 * * *"
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workflow_dispatch:
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jobs:
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check_for_update:
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runs-on: ubuntu-22.04
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# permissions:
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# contents: write
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# pull-requests: write
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# actions: write
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steps:
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- name: Checkout the config repo
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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fetch-tags: true
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# Based on equivalent GitLab CI job
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- name: Check for new release
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shell: bash
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run: |
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set -xe
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# Tell git who we are for commits
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git config user.email "${{ github.actor }}[email protected]"
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git config user.name "${{ github.actor }} CI"
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# Create the merge branch and write vars to .mergeenv file
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.github/bin/create-merge-branch.sh
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- name: Set release tag output
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id: release_tag
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if: ${{ hashFiles('.mergeenv') }}
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run: source .mergeenv && echo value=$RELEASE_TAG >> $GITHUB_OUTPUT
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- name: Set branch name output
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id: branch_name
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if: ${{ hashFiles('.mergeenv') }}
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run: source .mergeenv && echo value=$BRANCH_NAME >> $GITHUB_OUTPUT
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- name: Remove tmp file
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run: rm .mergeenv
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if: ${{ hashFiles('.mergeenv') }}
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- name: Create Pull Request
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if: ${{ steps.release_tag.outputs.value }}
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uses: peter-evans/create-pull-request@v6
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with:
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base: main
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branch: ${{ steps.branch_name.outputs.value }}
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title: "Upgrade ansible-slurm-appliance to ${{ steps.release_tag.outputs.value }}"
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body: This PR was automatically generated by GitHub Actions.
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commit-message: "Upgrade ansible-slurm-appliance to ${{ steps.release_tag.outputs.value }}"
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delete-branch: true
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token: ${{ secrets.WORKFLOW_TOKEN }}

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