Find GitHub/Forgejo/Gitea actions files and check for latest versions

check-actions.sh

#!/bin/bash
# 
# Copyright 2023-2024 Martin Goellnitz
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
NOW=$(date +%s)
VERSIONS=~/.actions.cache.txt
touch $VERSIONS

for folder in $(find -type d -name "workflows"|grep "^..\.") ; do
  forge=$(echo $folder|cut -d '/' -f 2)
  if [ "$forge" = ".forgejo" ] ; then
    BASE_URI="https://code.forgejo.org/api/v1/repos"
    TOKEN=
  fi
  if [ "$forge" = ".gitea" ] ; then
    BASE_URI="https://gitea.com/api/v1/repos"
    TOKEN=
  fi
  if [ "$forge" = ".github" ] ; then
    BASE_URI="https://api.github.com/repos"
    TOKEN=$GITHUB_COM_TOKEN
  fi
  for workflow in $(find $folder -type f -name "*.yml") ; do
    for usage in $(grep "uses:.*@v[0-9][0-9]*$" $workflow|cut -d ':' -f 2-200|sed -e 's/\ //g') ; do
      # echo "usage ($forge / $BASE_URI): $usage"
      action=$(echo $usage|cut -d '@' -f 1)
      version=$(echo $usage|cut -d '@' -f 2)
      latest=
      # echo $action - $version
      CACHED=$(grep "^$forge@$action@" $VERSIONS)
      if [ ! -z "$CACHED" ] ; then
        latest="$(echo "$CACHED"|cut -d '@' -f 4-200)"
        ACTUALITY=$(echo "$CACHED"|cut -d '@' -f 3)
        if [ $[ $NOW - $ACTUALITY ] -gt 108000 ] ; then
          grep "^$forge@$action@" -v $VERSIONS > ${VERSIONS}.tmp
          mv ${VERSIONS}.tmp $VERSIONS
          latest=
        fi
      fi
      if [ -z "$latest" ] ; then
        if [ -z "$(echo $action|grep ^https:)" ] ; then
          URL="$BASE_URI/$action/tags"
        else
          URL="$(echo $action|sed -e 's/github.com/api.github.com\/repos/g')/tags"
        fi
        # echo $URL
        AUTH=""
        if [ ! -z "$TOKEN" ] ; then
          AUTH="-H 'Authorization: token '$TOKEN"
        fi
        latest=$(curl $AUTH $URL 2> /dev/null|jq '.[]|.name'|grep -v '\.'|head -1|sed -e 's/"//g')
        echo "$forge@$action@$NOW@$latest" >> $VERSIONS
      fi
      if [ "$version" != "$latest" ] ; then
        echo "$workflow: $usage -> $latest"
      fi
    done
  done
done