README.md

Github Action/Workflow Updater

Requirements

• yq
• gh
• gh logged into github

Usage

First arg is always .github folder

github-workflow-updater.sh

#!/usr/bin/env bash

GITHUB_DIR=$1

if ! command -v yq &> /dev/null; then
    echo "yq could not be found"
    echo "If on mac, try brew install yq"
    exit 1
fi

if ! command -v gh &> /dev/null; then
    echo "gh could not be found"
    echo "If on mac, try brew install gh"
    echo "After installation run, gh auth login"
    exit 1
fi

function getLatest() {
    local owner=$1
    local repo=$2
    gh release -R "$owner/$repo" list --exclude-drafts --exclude-pre-releases | grep Latest | awk -F '\t' '{if (match($3, "^v*\.*\.*")) print $3}'
}

echo ""
echo ""

function processWorkflow() {
  local FILE=$1
  echo "$FILE"

  local CONTENTS
  CONTENTS="$(cat "$FILE")"

  local REUSABLE_WORKFLOWS
  REUSABLE_WORKFLOWS=$(yq '.jobs[] .uses' < "$FILE")

  local STEPS
  STEPS=$(yq '.jobs[] .steps[] .uses' < "$FILE")

  captures=( $REUSABLE_WORKFLOWS $STEPS )

  for job in "${captures[@]}"; do
    if [ "$job" != "null" ] && [[ ! "$job" =~ ^\./\.github ]]; then
      OWNER=$(echo "$job" | cut -d '/' -f 1)
      REPO=$(echo "$job" | cut -d '/' -f 2 | cut -d '@' -f 1)
      JOB_INFO="$(echo "$job" | cut -d '@' -f 1)"
      CURRENT_VERSION="$(echo "$job" | cut -d '@' -f 2)"
      LATEST_VERSION=$(getLatest "$OWNER" "$REPO")

      CONTENTS=${CONTENTS//"$JOB_INFO@$CURRENT_VERSION"/"$JOB_INFO@$LATEST_VERSION"}
    fi
  done

  echo "$CONTENTS" > "$FILE"
}

function processAction() {
  local FILE=$1
  echo "$FILE"

  local CONTENTS
  CONTENTS="$(cat "$FILE")"

  local STEPS
  STEPS=$(yq '.runs.steps[] .uses' < "$FILE")

  captures=( $STEPS )

  for job in "${captures[@]}"; do
    if [ "$job" != "null" ] && [[ ! "$job" =~ ^\./\.github ]]; then
      OWNER=$(echo "$job" | cut -d '/' -f 1)
      REPO=$(echo "$job" | cut -d '/' -f 2 | cut -d '@' -f 1)
      JOB_INFO="$(echo "$job" | cut -d '@' -f 1)"
      CURRENT_VERSION="$(echo "$job" | cut -d '@' -f 2)"
      LATEST_VERSION=$(getLatest "$OWNER" "$REPO")
      CONTENTS=${CONTENTS//"$JOB_INFO@$CURRENT_VERSION**"/"$JOB_INFO@$LATEST_VERSION"}
    fi
  done

  echo "$CONTENTS" > "$FILE"
}

IFS=$'\n'
YML_WORKFLOWS=$(find -f $GITHUB_DIR/workflows/*.yml)
YAML_WORKFLOWS=$(find -f $GITHUB_DIR/workflows/*.yaml || "")
YML_ACTIONS=$(find -f $GITHUB_DIR/actions/**/*.yml)
#YAML_ACTIONS=$(find -f ./actions/**/*.yaml)

yaml_files=( $YML_WORKFLOWS $YAML_WORKFLOWS $YML_ACTIONS )
unset IFS

for i in "${yaml_files[@]}"; do
  FILE=$(realpath "$i")
  if [[ "$FILE" =~ "workflows" ]]; then
    processWorkflow "$FILE"
  elif [[ "$FILE" =~ "actions" ]]; then
    processAction "$FILE"
  else
    echo "Unsupported"
  fi
done