#include <stdio.h>
#include <dlfcn.h>
#include "include/git2.h"

// Compile:
//     gcc -o bug bug.c -ldl
// Run:
//     ./bug ./libgit2.so
int main(int argc, char *argv[]){
    if (argc != 2) {
        fprintf(stderr, "Wrong number of arguments\n");
        return 1;
    }

    void *handle;
    int (*git_libgit2_init)(void);
    int (*git_clone)(git_repository **out, const char *url, const char *local_path, const git_clone_options *options);
    git_error* (*git_error_last)(void);

    // dlopen and initialize libgit2
    handle = dlopen(argv[1], RTLD_LAZY);
    git_libgit2_init = dlsym(handle, "git_libgit2_init");
    git_libgit2_init();

    // git clone arguments
    git_repository *repo = NULL;
    const char *url = "https://github.com/octocat/Spoon-Knife.git";
    const char *path = "/tmp/Spoon-Knife";
    git_clone_options clone_opts = GIT_CLONE_OPTIONS_INIT;
    clone_opts.fetch_opts.proxy_opts.type = GIT_PROXY_AUTO; // <-- This is key

    // git clone
    git_clone = dlsym(handle, "git_clone");
    git_error_last = dlsym(handle, "git_error_last");
    int err = git_clone(&repo, url, path, &clone_opts);
    if (err != 0) {
        git_error* gerror = git_error_last();
        fprintf(stderr, "git clone failed. Message: %s, klass: %i, ret: %i\n", gerror->message, gerror->klass, err);
    }

    dlclose(handle);
    return err;
}