Refactor cloning feature and ui

plugins/Git/jobs/gitjob.cpp

@@ -0,0 +1,53 @@
+#include <QDebug>
+
+#include "gitjob.h"
+#include "../utils.h"
+
+extern "C" {
+#include <git2.h>
+}
+
+GitJob::GitJob(cred_type cred) :
+    m_cred(cred)
+{
+    git_libgit2_init();
+}
+
+GitJob::~GitJob()
+{
+    git_libgit2_shutdown();
+}
+
+int GitJob::credentialsCB(git_cred **out, const char *url, const char *username_from_url,
+                          unsigned int allowed_types, void *payload)
+{
+    cred_type *cred = (cred_type *)payload;
+    auto v =  overload {
+        [](const HTTP & x)
+        {
+            qDebug() << "credentialsCB : HTTP ";
+            qWarning() << "credentialsCB : callback should never be call for HTTP ";
+            return (int) GIT_EUSER;
+        },
+        [&out, &username_from_url](const HTTPUserPass & x)
+        {
+            qDebug() << "credentialsCB : HTTPUserPass ";
+            if (!username_from_url) {
+                qWarning() << "credentials_cb : no username provided ";
+                return (int) GIT_EUSER;
+            }
+            return git_cred_userpass_plaintext_new(out, username_from_url, x.pass.toLocal8Bit().constData());
+        },
+        [](const SSHPass & x)
+        {
+            qWarning() << "credentials_cb : SSHAuth to be implemented ";
+            return (int) GIT_EUSER;
+        }, // TODO
+        [](const SSHKey & x)
+        {
+            qWarning() << "credentials_cb : SSHKey to be implemented ";
+            return (int) GIT_EUSER;
+        }  // TODO
+    };
+    return std::visit(v, *cred);
+}