delete_gh_artifacts.sh

#!/bin/bash
# Script to delete artifacts from all accessible repositories
# Adapted from the example script published at https://dev.to/muhammadaqib86/how-to-bulk-delete-github-actions-artifacts-with-a-simple-script-macos-guide-38bh

set -euo pipefail

# Fetch all repos with write/admin access
REPOS=$(gh api /user/repos\?affiliation=owner,collaborator,organization_member --paginate | python3 -c "import sys, json; repos = json.load(sys.stdin); [print(repo['full_name']) for repo in repos if repo['permissions']['admin'] or repo['permissions']['push']]")
# Alternative: comment out the above line and hard code the target repositories in the next line 
# REPOS=$(printf 'ceshine/repo_1')

for REPO in $REPOS; do
  echo "Processing repository: $REPO"

  # Optional: List recent workflow runs
  echo "Listing recent workflow runs for $REPO"
  gh run list --repo "$REPO" --limit 5 --json databaseId,status,conclusion || true

  # Delete all artifacts
  echo "Deleting artifacts for $REPO"

  # Use jq to parse artifacts instead of Python
  ARTIFACT_JSON=$( { gh api "/repos/$REPO/actions/artifacts" --paginate 2>/dev/null; } | jq -s 'if length == 0 then {artifacts: []} else reduce .[] as $page ({"artifacts": []}; .artifacts += ($page.artifacts // [])) end' || echo '{"artifacts": []}')
  ARTIFACT_COUNT=$(echo "$ARTIFACT_JSON" | jq '.artifacts | length')

  echo "Found $ARTIFACT_COUNT artifacts"

  if [ "$ARTIFACT_COUNT" -eq 0 ] || [ "$ARTIFACT_COUNT" == "null" ]; then
    echo "No artifacts to delete"
    continue
  fi

  # Delete each artifact
  echo "$ARTIFACT_JSON" | jq -r '.artifacts[].id' | while read -r artifact_id; do
    echo "Deleting artifact $artifact_id"
    gh api -X DELETE "/repos/$REPO/actions/artifacts/$artifact_id" || echo "Failed to delete artifact $artifact_id"
    sleep 1
  done
done