name: cleanup-conda
description: 'Remove extra conda environments'

runs:
  using: "composite"
  steps:
    - name: Remove extra conda environments
      run: |
        CONDA_REMOVE_NAMES=$(conda env list | awk '{print $1}' | tail -n +3 | grep "${{ env.conda-env-name-no-time }}" || true)
        if [ -z "$CONDA_REMOVE_NAMES" ]; then
          echo "No matching conda environments for ${{ env.conda-env-name-no-time }}. Skip removal."
        else
          echo "Removing $CONDA_REMOVE_NAMES conda environments."
          for env in $CONDA_REMOVE_NAMES; do
            conda env remove -n $env
          done
        fi
        IS_NUMBER_REGEX='^[0-9]+$'
        conda env list | awk '{print $1}' | tail -n +4 | while read envname; do
          ENV_DATE=$(echo $envname | sed "s/cy-[[:digit:]]\+-\(.*\)-\(riscv\|esp\)-tools/\1/")
          if ! [[ $ENV_DATE =~ $IS_NUMBER_REGEX ]]; then
            echo "Skipping removal of $envname since it cannot be parsed into a date"
          else
            NUM_DIFF=$(( ( $(date +%s) - $(date --date="$ENV_DATE" +%s) )/(60*60*24) ))
            if (( $NUM_DIFF > 2 )); then
              echo "Removing $envname since it is $NUM_DIFF days old."
              conda env remove -n $envname
            else
              echo "Skipping removal of $envname since it is $NUM_DIFF days old."
            fi
          fi
        done
      shell: bash -leo pipefail {0}