https://github.com/fcharlie/hgit

Haskell Git https://bitbucket.org/ssaasen/git-in-haskell-from-the-bottom-up.git
https://github.com/fcharlie/hgit

Last synced: 7 days ago
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Haskell Git https://bitbucket.org/ssaasen/git-in-haskell-from-the-bottom-up.git

• Host: GitHub
• URL: https://github.com/fcharlie/hgit
• Owner: fcharlie
• License: other
• Created: 2015-08-23T12:55:25.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2015-08-23T12:56:24.000Z (about 9 years ago)
• Last Synced: 2024-01-20T04:00:26.286Z (10 months ago)
• Language: Haskell
• Size: 211 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Implementing git clone in Haskell

Source code for the [git clone in Haskell from the bottom up](http://stefan.saasen.me/articles/git-clone-in-haskell-from-the-bottom-up/) article.

The `hgit` executable created by this cabal package supports a very limited number of operations, most notably the `clone` command:

    hgit clone git://github.com/juretta/git-pastiche.git

    

Apart from `clone` the following commands are supported:

* `ls-remote`: Because it's already implemented as part of the clone operation

* `unpack`: Unpack a raw pack file (whithout the need to have an index file for the pack) into a git repository

* `read-index`: Similar to `git ls-files --debug` this shows the information in the git index file (expects a path to the index file though and is not required to be executed within the git repository).

      [4766] λ > hgit read-index .git/index .ghci

      .ghci

      ctime: 1363781495

      mtime: 1363781495

      dev: 16777220  inode: 9756391

      uid:      501  gid: 20

      size:      59  git file mode: Regular

      sha1: c364d6f7508e2f6d1607a9d73e6330d68ec7d62a

## Build

To build the binary run

    cabal configure

    cabal build

    

If any of the dependencies are missing run:

    

    cabal install --only-dependencies

    

To copy it into the cabal bin directory that should be in the $PATH, run

    

    cabal copy

    

There is a simple Rakefile that can be used to build the binary and to run the test suite:

    [4832] λ > rake -T

    rake build     # Build the hgit binary

    rake clean     # Clean artifacts

    rake deps      # Install required dependencies

    rake dev:tags  # Generate a ctags file

    rake test      # Run the tests

    

    

## Tests

To run the tests directly run:

    cabal clean

    cabal configure --enable-tests

    cabal build

    cabal test --show-details=always