git

Access Method git - Git Commit Access

Synopsis

type: git/v1

Provided blobs use the following media type for: application/x-tgz

The artifact content is provided as gnu-zipped tar archive

Description

This method implements the access of the content of a git commit stored in a git repository.

Supported specification version is v1alpha1

Specification Versions

Version v1alpha1

The type specific specification fields are:

• repository string

  Repository URL with or without scheme.

• ref (optional) string

  Original ref used to get the commit from

• commit string

  The sha/id of the git commit

Go Bindings

The go binding can be found here

Example

package main

import (
  "archive/tar"
  "bytes"
  "compress/gzip"
  "fmt"
  "io"

  "ocm.software/ocm/api/ocm"
  "ocm.software/ocm/api/ocm/cpi"
  me "ocm.software/ocm/api/ocm/extensions/accessmethods/git"
)

func main() {
  ctx := ocm.New()
  accessSpec := me.New(
    "https://github.com/octocat/Hello-World.git",
    me.WithRef("refs/heads/master"),
  )
  method, err := accessSpec.AccessMethod(&cpi.DummyComponentVersionAccess{Context: ctx})
  if err != nil {
    panic(err)
  }
  content, err := method.GetContent()
  if err != nil {
    panic(err)
  }
  unzippedContent, err := gzip.NewReader(bytes.NewReader(content))

  r := tar.NewReader(unzippedContent)

  file, err := r.Next()
  if err != nil {
    panic(err)
  }
  
  if file.Name != "README.md" {
    panic("Expected README.md")
  }

  data, err := io.ReadAll(r)
  if err != nil {
    panic(err)
  }
  fmt.Println(string(data))
}