Add API to add a memory buffer to an index

git_index_add_frombuffer enables now to store a memory buffer in the odb
and to store an entry in the index directly if the index is attached to a
repository.

1 files changed, 122 insertions, 0 deletions

diff --git a/tests/index/tests.c b/tests/index/tests.c
index 4cf705127..3c8060a2e 100644
--- a/tests/index/tests.c
+++ b/tests/index/tests.c
@@ -253,6 +253,128 @@ void test_index_tests__add(void)
 	git_repository_free(repo);
 }
 
+void test_index_tests__add_frombuffer(void)
+{
+	git_index *index;
+	git_repository *repo;
+        git_index_entry entry;
+	const git_index_entry *returned_entry;
+
+	git_oid id1;
+	git_blob *blob;
+
+	const char *content = "hey there\n";
+
+	cl_set_cleanup(&cleanup_myrepo, NULL);
+
+	/* Intialize a new repository */
+	cl_git_pass(git_repository_init(&repo, "./myrepo", 0));
+
+	/* Ensure we're the only guy in the room */
+	cl_git_pass(git_repository_index(&index, repo));
+	cl_assert(git_index_entrycount(index) == 0);
+
+	/* Store the expected hash of the file/blob
+	 * This has been generated by executing the following
+	 * $ echo "hey there" | git hash-object --stdin
+	 */
+	cl_git_pass(git_oid_fromstr(&id1, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
+
+	/* Add the new file to the index */
+	memset(&entry, 0x0, sizeof(git_index_entry));
+	entry.mode = GIT_FILEMODE_BLOB;
+	entry.path = "test.txt";
+	cl_git_pass(git_index_add_frombuffer(index, &entry,
+		content, strlen(content)));
+
+	/* Wow... it worked! */
+	cl_assert(git_index_entrycount(index) == 1);
+	returned_entry = git_index_get_byindex(index, 0);
+
+	/* And the built-in hashing mechanism worked as expected */
+	cl_assert_equal_oid(&id1, &returned_entry->id);
+	/* And mode is the one asked */
+	cl_assert_equal_i(GIT_FILEMODE_BLOB, returned_entry->mode);
+
+	/* Test access by path instead of index */
+	cl_assert((returned_entry = git_index_get_bypath(index, "test.txt", 0)) != NULL);
+	cl_assert_equal_oid(&id1, &returned_entry->id);
+
+	/* Test the blob is in the repository */
+	cl_git_pass(git_blob_lookup(&blob, repo, &id1));
+	cl_assert_equal_s(
+		content, git_blob_rawcontent(blob));
+	git_blob_free(blob);
+
+	git_index_free(index);
+	git_repository_free(repo);
+}
+
+void test_index_tests__add_frombuffer_reset_entry(void)
+{
+	git_index *index;
+	git_repository *repo;
+        git_index_entry entry;
+	const git_index_entry *returned_entry;
+	git_filebuf file = GIT_FILEBUF_INIT;
+
+	git_oid id1;
+	git_blob *blob;
+	const char *old_content = "here\n";
+	const char *content = "hey there\n";
+
+	cl_set_cleanup(&cleanup_myrepo, NULL);
+
+	/* Intialize a new repository */
+	cl_git_pass(git_repository_init(&repo, "./myrepo", 0));
+	cl_git_pass(git_repository_index(&index, repo));
+	cl_git_pass(git_futils_mkpath2file("myrepo/test.txt", 0777));
+	cl_git_pass(git_filebuf_open(&file, "myrepo/test.txt", 0, 0666));
+	cl_git_pass(git_filebuf_write(&file, old_content, strlen(old_content)));
+	cl_git_pass(git_filebuf_commit(&file));
+
+	/* Store the expected hash of the file/blob
+	 * This has been generated by executing the following
+	 * $ echo "hey there" | git hash-object --stdin
+	 */
+	cl_git_pass(git_oid_fromstr(&id1, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
+
+	cl_git_pass(git_index_add_bypath(index, "test.txt"));
+
+	/* Add the new file to the index */
+	memset(&entry, 0x0, sizeof(git_index_entry));
+	entry.mode = GIT_FILEMODE_BLOB;
+	entry.path = "test.txt";
+	cl_git_pass(git_index_add_frombuffer(index, &entry,
+		content, strlen(content)));
+
+	/* Wow... it worked! */
+	cl_assert(git_index_entrycount(index) == 1);
+	returned_entry = git_index_get_byindex(index, 0);
+
+	/* And the built-in hashing mechanism worked as expected */
+	cl_assert_equal_oid(&id1, &returned_entry->id);
+	/* And mode is the one asked */
+	cl_assert_equal_i(GIT_FILEMODE_BLOB, returned_entry->mode);
+
+	/* Test access by path instead of index */
+	cl_assert((returned_entry = git_index_get_bypath(index, "test.txt", 0)) != NULL);
+	cl_assert_equal_oid(&id1, &returned_entry->id);
+	cl_assert_equal_i(0, returned_entry->dev);
+	cl_assert_equal_i(0, returned_entry->ino);
+	cl_assert_equal_i(0, returned_entry->uid);
+	cl_assert_equal_i(0, returned_entry->uid);
+	cl_assert_equal_i(10, returned_entry->file_size);
+
+            /* Test the blob is in the repository */
+	cl_git_pass(git_blob_lookup(&blob, repo, &id1));
+	cl_assert_equal_s(content, git_blob_rawcontent(blob));
+	git_blob_free(blob);
+
+	git_index_free(index);
+	git_repository_free(repo);
+}
+
 static void cleanup_1397(void *opaque)
 {
 	GIT_UNUSED(opaque);