mirror of
https://github.com/Luzifer/ansible-role-version.git
synced 2024-12-25 03:51:21 +00:00
73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"os"
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"strings"
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"gopkg.in/src-d/go-git.v4"
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"gopkg.in/src-d/go-git.v4/plumbing/object"
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. "gopkg.in/src-d/go-git.v4/_examples"
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)
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// Example of an specific use case:
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// - Clone a repository in a specific path
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// - Get the HEAD reference
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// - Using the HEAD reference, obtain the commit this reference is pointing to
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// - Print the commit content
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// - Using the commit, iterate all its files and print them
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// - Print all the commit history with commit messages, short hash and the
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// first line of the commit message
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func main() {
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CheckArgs("<url> <path>")
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url := os.Args[1]
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path := os.Args[2]
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// Clone the given repository, creating the remote, the local branches
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// and fetching the objects, exactly as:
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Info("git clone %s %s", url, path)
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r, err := git.PlainClone(path, false, &git.CloneOptions{URL: url})
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CheckIfError(err)
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// Getting the latest commit on the current branch
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Info("git log -1")
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// ... retrieving the branch being pointed by HEAD
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ref, err := r.Head()
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CheckIfError(err)
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// ... retrieving the commit object
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commit, err := r.CommitObject(ref.Hash())
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CheckIfError(err)
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fmt.Println(commit)
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// List the tree from HEAD
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Info("git ls-tree -r HEAD")
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// ... retrieve the tree from the commit
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tree, err := commit.Tree()
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CheckIfError(err)
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// ... get the files iterator and print the file
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tree.Files().ForEach(func(f *object.File) error {
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fmt.Printf("100644 blob %s %s\n", f.Hash, f.Name)
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return nil
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})
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// List the history of the repository
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Info("git log --oneline")
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commitIter, err := r.Log(&git.LogOptions{From: commit.Hash})
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CheckIfError(err)
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err = commitIter.ForEach(func(c *object.Commit) error {
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hash := c.Hash.String()
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line := strings.Split(c.Message, "\n")
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fmt.Println(hash[:7], line[0])
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return nil
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})
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CheckIfError(err)
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}
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