examples & documentation: PlainClone with Basic Authentication (Password & Access Token) (#990)

examples: PlainClone with Basic Authentication (Password & Access Token)

3 files changed, 81 insertions, 0 deletions

diff --git a/_examples/README.md b/_examples/README.md
index 26639b1..cf9c2d3 100644
--- a/_examples/README.md
+++ b/_examples/README.md
@@ -6,6 +6,10 @@ Here you can find a list of annotated _go-git_ examples:
 - [showcase](showcase/main.go) - A small showcase of the capabilities of _go-git_
 - [open](open/main.go) - Opening a existing repository cloned by _git_
 - [clone](clone/main.go) - Cloning a repository
+    - [username and password](clone/auth/basic/username_password/main.go) - Cloning a repository
+      using a username and password
+    - [personal access token](clone/auth/basic/access_token/main.go) - Cloning
+      a repository using a GitHub personal access token
 - [commit](commit/main.go) - Commit changes to the current branch to an existent repository
 - [push](push/main.go) - Push repository to default remote (origin)
 - [pull](pull/main.go) - Pull changes from a remote repository
diff --git a/_examples/clone/auth/basic/access_token/main.go b/_examples/clone/auth/basic/access_token/main.go
new file mode 100644
index 0000000..7f6d121
--- /dev/null
+++ b/_examples/clone/auth/basic/access_token/main.go
@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	git "gopkg.in/src-d/go-git.v4"
+	. "gopkg.in/src-d/go-git.v4/_examples"
+	"gopkg.in/src-d/go-git.v4/plumbing/transport/http"
+)
+
+func main() {
+	CheckArgs("<url>", "<directory>", "<github_access_token>")
+	url, directory, token := os.Args[1], os.Args[2], os.Args[3]
+
+	// Clone the given repository to the given directory
+	Info("git clone %s %s", url, directory)
+
+	r, err := git.PlainClone(directory, false, &git.CloneOptions{
+		// The intended use of a GitHub personal access token is in replace of your password
+		// because access tokens can easily be revoked.
+		// https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/
+		Auth: &http.BasicAuth{
+			Username: "abc123", // yes, this can be anything except an empty string
+			Password: token,
+		},
+		URL:      url,
+		Progress: os.Stdout,
+	})
+	CheckIfError(err)
+
+	// ... retrieving the branch being pointed by HEAD
+	ref, err := r.Head()
+	CheckIfError(err)
+	// ... retrieving the commit object
+	commit, err := r.CommitObject(ref.Hash())
+	CheckIfError(err)
+
+	fmt.Println(commit)
+}
diff --git a/_examples/clone/auth/basic/username_password/main.go b/_examples/clone/auth/basic/username_password/main.go
new file mode 100644
index 0000000..754558c
--- /dev/null
+++ b/_examples/clone/auth/basic/username_password/main.go
@@ -0,0 +1,37 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	git "gopkg.in/src-d/go-git.v4"
+	. "gopkg.in/src-d/go-git.v4/_examples"
+	"gopkg.in/src-d/go-git.v4/plumbing/transport/http"
+)
+
+func main() {
+	CheckArgs("<url>", "<directory>", "<github_username>", "<github_password>")
+	url, directory, username, password := os.Args[1], os.Args[2], os.Args[3], os.Args[4]
+
+	// Clone the given repository to the given directory
+	Info("git clone %s %s", url, directory)
+
+	r, err := git.PlainClone(directory, false, &git.CloneOptions{
+		Auth: &http.BasicAuth{
+			Username: username,
+			Password: password,
+		},
+		URL:      url,
+		Progress: os.Stdout,
+	})
+	CheckIfError(err)
+
+	// ... retrieving the branch being pointed by HEAD
+	ref, err := r.Head()
+	CheckIfError(err)
+	// ... retrieving the commit object
+	commit, err := r.CommitObject(ref.Hash())
+	CheckIfError(err)
+
+	fmt.Println(commit)
+}