Merge pull request #172 from tituspijean/add-autoupdater
Implement GitHub Action to automatically upgrade from upstream
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136
.github/workflows/updater.sh
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136
.github/workflows/updater.sh
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#!/bin/bash
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#=================================================
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# PACKAGE UPDATING HELPER
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#=================================================
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# This script is meant to be run by GitHub Actions
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# The YunoHost-Apps organisation offers a template Action to run this script periodically
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# Since each app is different, maintainers can adapt its contents so as to perform
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# automatic actions when a new upstream release is detected.
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# Remove this exit command when you are ready to run this Action
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exit 1
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#=================================================
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# FETCHING LATEST RELEASE AND ITS ASSETS
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#=================================================
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# Fetching information
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current_version=$(cat manifest.json | jq -j '.version|split("~")[0]')
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repo=$(cat manifest.json | jq -j '.upstream.code|split("https://github.com/")[1]')
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# Some jq magic is needed, because the latest upstream release is not always the latest version (e.g. security patches for older versions)
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version=$(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '.[] | select( .prerelease != true ) | .tag_name' | sort -V | tail -1)
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assets=($(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '[ .[] | select(.tag_name=="'$version'").assets[].browser_download_url ] | join(" ") | @sh' | tr -d "'"))
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# Later down the script, we assume the version has only digits and dots
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# Sometimes the release name starts with a "v", so let's filter it out.
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# You may need more tweaks here if the upstream repository has different naming conventions.
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if [[ ${version:0:1} == "v" || ${version:0:1} == "V" ]]; then
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version=${version:1}
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fi
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# Setting up the environment variables
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echo "Current version: $current_version"
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echo "Latest release from upstream: $version"
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echo "VERSION=$version" >> $GITHUB_ENV
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# For the time being, let's assume the script will fail
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echo "PROCEED=false" >> $GITHUB_ENV
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# Proceed only if the retrieved version is greater than the current one
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if ! dpkg --compare-versions "$current_version" "lt" "$version" ; then
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echo "::warning ::No new version available"
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exit 0
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# Proceed only if a PR for this new version does not already exist
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elif git ls-remote -q --exit-code --heads https://github.com/$GITHUB_REPOSITORY.git ci-auto-update-v$version ; then
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echo "::warning ::A branch already exists for this update"
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exit 0
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fi
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# Each release can hold multiple assets (e.g. binaries for different architectures, source code, etc.)
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echo "${#assets[@]} available asset(s)"
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#=================================================
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# UPDATE SOURCE FILES
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#=================================================
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# Here we use the $assets variable to get the resources published in the upstream release.
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# Here is an example for Grav, it has to be adapted in accordance with how the upstream releases look like.
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# Let's loop over the array of assets URLs
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for asset_url in ${assets[@]}; do
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echo "Handling asset at $asset_url"
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# Assign the asset to a source file in conf/ directory
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# Here we base the source file name upon a unique keyword in the assets url (admin vs. update)
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# Leave $src empty to ignore the asset
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case $asset_url in
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*"admin"*)
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src="app"
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;;
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*"update"*)
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src="app-upgrade"
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;;
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*)
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src=""
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;;
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esac
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# If $src is not empty, let's process the asset
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if [ ! -z "$src" ]; then
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# Create the temporary directory
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tempdir="$(mktemp -d)"
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# Download sources and calculate checksum
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filename=${asset_url##*/}
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curl --silent -4 -L $asset_url -o "$tempdir/$filename"
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checksum=$(sha256sum "$tempdir/$filename" | head -c 64)
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# Delete temporary directory
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rm -rf $tempdir
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# Get extension
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if [[ $filename == *.tar.gz ]]; then
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extension=tar.gz
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else
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extension=${filename##*.}
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fi
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# Rewrite source file
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cat <<EOT > conf/$src.src
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SOURCE_URL=$asset_url
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SOURCE_SUM=$checksum
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SOURCE_SUM_PRG=sha256sum
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SOURCE_FORMAT=$extension
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SOURCE_IN_SUBDIR=true
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SOURCE_FILENAME=
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EOT
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echo "... conf/$src.src updated"
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else
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echo "... asset ignored"
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fi
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done
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#=================================================
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# SPECIFIC UPDATE STEPS
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#=================================================
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# Any action on the app's source code can be done.
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# The GitHub Action workflow takes care of committing all changes after this script ends.
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#=================================================
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# GENERIC FINALIZATION
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#=================================================
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# Replace new version in manifest
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echo "$(jq -s --indent 4 ".[] | .version = \"$version~ynh1\"" manifest.json)" > manifest.json
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# No need to update the README, yunohost-bot takes care of it
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# The Action will proceed only if the PROCEED environment variable is set to true
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echo "PROCEED=true" >> $GITHUB_ENV
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exit 0
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