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speedata/gogit

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Original source (github.com)
Tags: git golang go library package
Clipped on: 2016-02-16

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Pure Go read access of a Git repository
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README.md

gogit

Pure Go read access to a git repository.

State: Actively maintained, used in production site, but without warranty, of course.
Maturity level: 4/5 (works well in all tested repositories, expect API change, few corner cases not implemented yet)
License: Free software (MIT License)
Installation: Just run  go get github.com/speedata/gogit 
API documentation: http://godoc.org/github.com/speedata/gogit
Contact: gundlach@speedata.de, @speedata
Repository: https://github.com/speedata/gogit
Dependencies: None
Contribution: We like to get any kind of feedback (success stories, bug reports, merge requests, ...)

Example

Sample application to list the latest directory (recursively):

package main

import (
    "github.com/speedata/gogit"
    "log"
    "os"
    "path"
    "path/filepath"
)

func walk(dirname string, te *gogit.TreeEntry) int {
    log.Println(path.Join(dirname, te.Name))
    return 0
}

func main() {
    wd, err := os.Getwd()
    if err != nil {
        log.Fatal(err)
    }
    repository, err := gogit.OpenRepository(filepath.Join(wd, "src/github.com/speedata/gogit/_testdata/testrepo.git"))
    if err != nil {
        log.Fatal(err)
    }
    ref, err := repository.LookupReference("HEAD")
    if err != nil {
        log.Fatal(err)
    }
    ci, err := repository.LookupCommit(ref.Oid)
    if err != nil {
        log.Fatal(err)
    }
    ci.tree.Walk(walk)
}

Sample application

We use  gogit  as the backend in http://ctanmirror.speedata.de. This is a mirror of CTAN, the comprehensive TeX archive network with approx. 25GB of data. We rsync it from the main site at ctan.org every night and add the changes to a git repository (with the regular git command). Then we use this web front end to retrieve the historic files.

The git repository is around 60 GB (Oct. 2013).