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stack-clean-old: Clean away old stack build artefacts

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A tool for cleaning away old .stack snapshots and .stack-work builds to recover diskspace.

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Versions 0.1, 0.2, 0.2, 0.2.1, 0.2.2, 0.3, 0.3.1, 0.4, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.4.5, 0.4.6, 0.4.7, 0.4.8, 0.5, 0.5.1
Change log ChangeLog.md
Dependencies base (<5), directory (>=1.2.5), extra (>=1.4.3), filepath, simple-cmd (>=0.1.4), simple-cmd-args (>=0.1.2) [details]
License BSD-3-Clause
Copyright 2020 Jens Petersen <juhpetersen@gmail.com>
Author Jens Petersen <juhpetersen@gmail.com>
Maintainer Jens Petersen <juhpetersen@gmail.com>
Category Distribution
Home page https://github.com/juhp/stack-clean-old
Bug tracker https://github.com/juhp/stack-clean-old/issues
Source repo head: git clone https://github.com/juhp/stack-clean-old.git
Uploaded by JensPetersen at 2020-10-27T08:00:26Z

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Readme for stack-clean-old-0.2

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stack-clean-old

A small tool to clean away older Haskell stack snapshot builds and ghc versions, to recover diskspace.

Usage

stack-clean-old [project|snapshots|ghc] [size|list|remove-version|remove-earlier-minor] [GHCVER]

These commands act respectively on:

and the subcommands:

size: prints the total size of the above directory (size does not take a GHCVER argument).

list: shows the total size and number of snapshots per ghc version (the GHCVER argument is optional).

remove-version: removes all snapshots for the specified ghc version (the GHCVER argument is required).

remove-earlier-minor: removes the builds/installs for previous minor ghc versions. If GHCVER is given then only minor versions older than it are removed.

NB: If you remove all snapshot builds for a version of ghc, then you would have to rebuild again for any projects still using them, so removal should be used cautiously, but it can recover a lot of diskspace.

Example usage

To remove project builds for ghc-8.2.2:

$ stack-clean-old project list
154M  8.2.2  (5 dirs)
154M  8.4.4  (5 dirs)
163M  8.6.5  (5 dirs)
$ stack-clean-old project remove-version 8.2.2

Remove all stack ghc-8.4 snapshot builds before 8.4.4:

$ stack-clean-old snapshots list 8.4
421M  8.4.1  (7 dirs)
368M  8.4.2  (6 dirs)
489M  8.4.3  (8 dirs)
799M  8.4.4  (24 dirs)
$ stack-clean-old snapshots remove-earlier-minor 8.4.4
7 dirs removed for 8.4.1
6 dirs removed for 8.4.2
8 dirs removed for 8.4.3

Incidently I build my projects across as many major Stackage LTS versions as possible, and collectively this piles up to a lot of diskspace: so I wrote this tool to help manage that.

Purging older stack project builds

stack-clean-old project remove-older

This command removes older stack builds from .stack-work/install/. By default it keeps 5 newest builds per ghc version.

The preservation/deletion is calculated and done per ghc version.

NB: If you regularly build multiple branches/tags against the same LTS or ghc version then it is better safer to avoid using remove-older.

Installation

Run stack install or cabal install

Contributing

BSD license

Project: https://github.com/juhp/stack-clean-old

Warning disclaimer

Use at your own risk.

The author takes no responsibility for any loss or damaged caused by using this tool.

Bug reports, suggestions, and improvements are welcome.