* update all .github/workflows/ to use the latest version of
actions and the go versions accordingly.
(Only some github actions use a floating tag for the major version.)
* reduce places where the go versions are hardcoded:
* refEr to docs/Development.md from README.md
* use `go.mod` from itest.yml.
* Add go_legacy.yml to check for compatibility with older go versions
* Remove tests already done in go.yml
* fix: Update actions, use stable/oldstable in actions
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Co-authored-by: JanHoefelmeyer <hoefelmeyer.jan@gmail.com>
* started with forwarding support in downloader
* Add missing files.
* Add missing files.
* Raise needed Go version
* More Go version bumping.
* Fix forwarding
* Go 1.21+ needed
* Make terminating forwarder more robust.
* Better var naming
* Remove dead code. Improve commentary.
* Prepare validation status adjustment.
* Move validations to functions to make them executable in a loop.
* Introduce validation mode flag (strict, unsafe)
* Add concurrent downloads to downloader.
* Moved to Go 1.20
* close files channel on producer side.
* Improve error handling
* New flag to ignore signature check results. Improve docs. Do not use number of CPUs to determine number of download workers.
* Set number of default workers in downloader to two.
