diff --git a/git_test/git.c b/git_test/git.c
new file mode 100644
index 00000000..92129d37
--- /dev/null
+++ b/git_test/git.c
@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include <git2.h>
+
+void handle_error(int err)
+{
+    if (err < 0)
+    {
+        const git_error *e = giterr_last();
+        printf("Error %d/%d: %s\n", err, e->klass, e->message);
+    }
+}
+
+int match_cb(const char *path, const char *spec, void *payload)
+{
+    printf("Match: %s\n", path);
+    return 0;
+}
+
+int main(int argc, char *argv[])
+{
+    int err;
+    char *git_base_path = "/tmp/journal_test";
+    char *clone_url = "git@github.com:GitJournal/journal_test.git";
+    char *add_pattern = ".";
+
+    git_libgit2_init();
+
+    git_repository *repo = NULL;
+    err = git_repository_open(&repo, git_base_path);
+    handle_error(err);
+
+    git_index *idx = NULL;
+    err = git_repository_index(&idx, repo);
+    handle_error(err);
+
+    char *paths[] = {add_pattern};
+    git_strarray pathspec = {paths, 1};
+
+    err = git_index_add_all(idx, &pathspec, GIT_INDEX_ADD_DEFAULT, match_cb, NULL);
+    handle_error(err);
+
+    err = git_index_write(idx);
+    handle_error(err);
+
+    git_index_free(idx);
+
+    return 0;
+}
diff --git a/git_test/make.sh b/git_test/make.sh
new file mode 100755
index 00000000..2634f25c
--- /dev/null
+++ b/git_test/make.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euv
+
+clang git.c -lgit2 -lssh2