From ca61c1e3918a57b111b5f3e03c9da05644923b34 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Wed, 1 Jul 2020 10:18:53 +0200
Subject: [PATCH] Clone via SSH.

---
 src/git.cpp | 16 ++++++++++++++--
 src/git.hpp |  7 +++++++
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/git.cpp b/src/git.cpp
index 33eb247..654644f 100644
--- a/src/git.cpp
+++ b/src/git.cpp
@@ -55,10 +55,22 @@ void check(int error)
     }
 }
 
+int cred_acquire(git_cred **cred, const char * /*url*/,
+                 const char *username_from_url, unsigned int /*allowed_types*/,
+                 void * /*payload*/)
+{
+    // return git_credential_ssh_key_new(
+    //     cred, username_from_url, "/home/tastytea/.ssh/noid_fediblock.pub",
+    //     "/home/tastytea/.ssh/noid_fediblock.pub", "");
+    return git_credential_ssh_key_from_agent(cred, username_from_url);
+}
+
 void clone()
 {
-    check(git_clone(&_repo, "https://schlomp.space/FediBlock/data.git",
-                    (get_tmpdir() / "repo").c_str(), nullptr));
+    git_clone_options options = GIT_CLONE_OPTIONS_INIT;
+    options.fetch_opts.callbacks.credentials = cred_acquire;
+    check(git_clone(&_repo, "git@schlomp.space:FediBlock/data.git",
+                    (get_tmpdir() / "repo").c_str(), &options));
 }
 
 uint64_t get_last_id()
diff --git a/src/git.hpp b/src/git.hpp
index 9288a5c..6b138bc 100644
--- a/src/git.hpp
+++ b/src/git.hpp
@@ -19,6 +19,8 @@
 
 #include "cgi.hpp"
 
+#include <git2.h>
+
 #include <cstdint>
 
 namespace FediBlock::git
@@ -29,6 +31,11 @@ using std::uint64_t;
 // Throws runtime_error on error.
 void check(int error);
 
+// Acquire credentials for SSH.
+int cred_acquire(git_cred **cred, const char *url,
+                 const char *username_from_url, unsigned int allowed_types,
+                 void *payload);
+
 // Clone the git repo.
 void clone();