internal/worker: break dependency between file copying and GCS

Reorganize the code that copies files from a GCS bucket to remove
the direct dependence on GCS. That will enable easier testing.

Also move it to scan.go, because it's not specific to vulncheck.

Change-Id: I9cd169d9577a7a08a7a849a099bd68437d8fa835
Reviewed-on: https://go-review.googlesource.com/c/pkgsite-metrics/+/474535
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Zvonimir Pavlinovic <zpavlinovic@google.com>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
4 files changed
tree: 714d1f452240b88c422a66d6d25481e555d2261d
  1. cmd/
  2. deploy/
  3. devtools/
  4. internal/
  5. terraform/
  6. .dockerignore
  7. .gitignore
  8. all_test.go
  9. checks.bash
  10. config.json.commented
  11. CONTRIBUTING.md
  12. go.mod
  13. go.sum
  14. LICENSE
  15. Makefile
  16. PATENTS
  17. README.md
  18. tools_test.go
README.md

pkgsite-metrics

This repository contains code that serves pkg.go.dev/metrics.

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