Abandoned!
Pacoloco is a cache server for Arch that works well and has most of the features I intended for Flipper.
Flipper
Flipper is a caching server for Arch Linux packages. The idea is to conserve bandwidth when there are multiple Arch machines on the same LAN. There are several somewhat similar tools, but most rely on multicast.
It is most similar to using nginx as a reverse proxy cache, which is what I currently use for this. However the goal is to extend flipper beyond this by adding features not really possible with nginx setup:
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Use the mirror health data so out of sync or incomplete mirrors are avoided.
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Nightly performance tests of mirrors (download a file, compute byte/sec, order by fastest)
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Handle mirrors with different directory structures.
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Automatic cache cleanout
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Caching of db files (if cached and a new request comes in, check if the upstream db has changed using size/date/Etag).
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Pre-caching packages (if the last N versions of something were installed, and a new version of same package shows up on the mirrors, download it in the middle of the night.)
Other todos:
- Use configuration file instead of command line flags
- Add a systemd unit file
- pkgbuild for AUR