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A Github-like, Rust-based heatmap generator for non-git-based local & remote directories

Origin directory support

Anything supported by rclone!

Usage

Manual invocation

TODO: CLI interface here

Serving mode

Scrappier mode

  1. Cron that runs & adds state file to git repo under visualiser/src/state_file.json
  2. Netlify CD job
  3. Done

Scrappy? Huh?

  • No way of distinguishing whether a file's creation or modification is already in the state file
  • Relying on a Netlify deployment to be live & re-deployed to serve component

CI Setup

  • base64 -w 0 sample.conf | pbcopy where sample.conf contains the remote config to be used, this should then be placed in a repo secret $RCLONE_CONFIG

Proper mode

  • Spin up infra
    • Lambda to run on a cron schedule
    • S3 bucket for serving via react-snap to compile static HTML
  • Have state file better track files rather than just counts (that could lead to inaccuracies)

Implementation

Notes

Operating systems don't track the history of modifications. This is solved by Git (among many other things). We want to replicate the subset of this behaviour that tracks history of modifications.

For remote directories the remote directory is cloned upon each invocation in the interest of implementation simplicity & avoiding storage costs. This might not make sense for some usecases. Tracked for future development (see [TDL](#To Do List)).

Flow

  • rclone remote config setup
  • rclone to quickly support many remote storage solutions & normalize to a singular local interface
    • Pre-compiled into the Rust binary
      • TODO: how does this affect cold start time?
  • Rust program
    • tracks state via human readable JSON
      • Stored locally or in S3
    • generates heatmap
  • Publishes to S3

Project details

Goals

  • Track only enough data to generate a heatmap
  • Use Rust

Non-goals

  • Inherit VCS-level complexity
  • Use Go (even tho the right choice w.r.t rclone being in Go)
  • Use Git to track state
    • More optimal w.r.t not re-inventing the wheel, sub-optimal for learning new things!

To Do List

  • [] Support for various outputs aside S3
  • [] Support rclone sync with persistant replicated storage

Rough Notes

  • can we do some iterated random sampling from a file to replace chucking everything into a hash (which is not robust to file changes)

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Github heatmap for non-git-based directories

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