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Description
When trying to list references from a remote git repository, through a socks5 proxy, there is a nil pointer dereference operation causing the code to panic. In the below code, I am setting proxy server url as socks5://127.0.0.1:1080. If the proxy server is running, then the code behaves correctly, but if the proxy server is not running, the code panics at this line of code session, err := gitClient.NewUploadPackSession(ep, auth)
Reproducer code:
package main
import (
"fmt"
"github.com/go-git/go-git/v5/plumbing/transport"
"github.com/go-git/go-git/v5/plumbing/transport/client"
"github.com/go-git/go-git/v5/plumbing/transport/ssh"
)
func main() {
ep, err := transport.NewEndpoint("git@github.com:anandf/openshift-gitops-microshift.git")
if err != nil {
fmt.Println(err)
return
}
ep.Proxy = transport.ProxyOptions{URL: "socks5://127.0.0.1:1080"}
gitClient, err := client.NewClient(ep)
if err != nil {
fmt.Println("Error:" + err.Error())
return
}
auth, err := ssh.NewPublicKeysFromFile("git", "/home/anjoseph/.ssh/id_rsa", "")
if err != nil {
fmt.Println("Error:" + err.Error())
return
}
session, err := gitClient.NewUploadPackSession(ep, auth)
if err != nil {
fmt.Println("Error:" + err.Error())
return
}
ar, err := session.AdvertisedReferences()
if err != nil {
fmt.Println("Error:" + err.Error())
return
}
allRefs, err := ar.AllReferences()
if err != nil {
fmt.Println("Error:" + err.Error())
return
}
fmt.Println(allRefs)
err = session.Close()
if err != nil {
fmt.Println("Error:" + err.Error())
return
}
}
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