void test_diff_blob__patch_with_freed_blobs(void)
{
git_oid a_oid, b_oid;
git_blob *a, *b;
git_patch *p;
git_buf buf = GIT_BUF_INIT;
/* tests/resources/attr/root_test1 */
cl_git_pass(git_oid_fromstrn(&a_oid, "45141a79", 8));
cl_git_pass(git_blob_lookup_prefix(&a, g_repo, &a_oid, 4));
/* tests/resources/attr/root_test2 */
cl_git_pass(git_oid_fromstrn(&b_oid, "4d713dc4", 8));
cl_git_pass(git_blob_lookup_prefix(&b, g_repo, &b_oid, 4));
cl_git_pass(git_patch_from_blobs(&p, a, NULL, b, NULL, NULL));
git_blob_free(a);
git_blob_free(b);
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(buf.ptr, BLOB_DIFF);
git_patch_free(p);
git_buf_free(&buf);
}
void test_diff_blob__can_compare_text_blobs(void)
{
git_blob *a, *b, *c;
git_oid a_oid, b_oid, c_oid;
/* tests/resources/attr/root_test1 */
cl_git_pass(git_oid_fromstrn(&a_oid, "45141a79", 8));
cl_git_pass(git_blob_lookup_prefix(&a, g_repo, &a_oid, 4));
/* tests/resources/attr/root_test2 */
cl_git_pass(git_oid_fromstrn(&b_oid, "4d713dc4", 8));
cl_git_pass(git_blob_lookup_prefix(&b, g_repo, &b_oid, 4));
/* tests/resources/attr/root_test3 */
cl_git_pass(git_oid_fromstrn(&c_oid, "c96bbb2c2557a832", 16));
cl_git_pass(git_blob_lookup_prefix(&c, g_repo, &c_oid, 16));
/* Doing the equivalent of a `git diff -U1` on these files */
/* diff on tests/resources/attr/root_test1 */
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
a, NULL, b, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_one_modified(1, 6, 1, 5, 0, &expected);
/* same diff but use direct buffers */
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_buffers(
git_blob_rawcontent(a), (size_t)git_blob_rawsize(a), NULL,
git_blob_rawcontent(b), (size_t)git_blob_rawsize(b), NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_one_modified(1, 6, 1, 5, 0, &expected);
/* diff on tests/resources/attr/root_test2 */
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
b, NULL, c, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_one_modified(1, 15, 3, 9, 3, &expected);
/* diff on tests/resources/attr/root_test3 */
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
a, NULL, c, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_one_modified(1, 13, 0, 12, 1, &expected);
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
c, NULL, d, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_one_modified(2, 14, 4, 6, 4, &expected);
git_blob_free(a);
git_blob_free(b);
git_blob_free(c);
}
size_t
py_hex_to_git_oid (PyObject *py_oid, git_oid *oid)
{
PyObject *py_hex;
int err;
char *hex;
Py_ssize_t len;
#if PY_MAJOR_VERSION == 2
/* Bytes (only supported in Python 2) */
if (PyBytes_Check(py_oid)) {
err = PyBytes_AsStringAndSize(py_oid, &hex, &len);
if (err)
return 0;
err = git_oid_fromstrn(oid, hex, len);
if (err < 0) {
PyErr_SetObject(Error_type(err), py_oid);
return 0;
}
return (size_t)len;
}
#endif
/* Unicode */
if (PyUnicode_Check(py_oid)) {
py_hex = PyUnicode_AsASCIIString(py_oid);
if (py_hex == NULL)
return 0;
err = PyBytes_AsStringAndSize(py_hex, &hex, &len);
if (err) {
Py_DECREF(py_hex);
return 0;
}
err = git_oid_fromstrn(oid, hex, len);
Py_DECREF(py_hex);
if (err < 0) {
PyErr_SetObject(Error_type(err), py_oid);
return 0;
}
return (size_t)len;
}
/* Type error */
PyErr_SetObject(PyExc_TypeError, py_oid);
return 0;
}
void test_diff_blob__can_compare_two_binary_blobs(void)
{
git_blob *heart;
git_oid h_oid;
/* heart.png */
cl_git_pass(git_oid_fromstrn(&h_oid, "de863bff", 8));
cl_git_pass(git_blob_lookup_prefix(&heart, g_repo, &h_oid, 8));
cl_git_pass(git_diff_blobs(
alien, NULL, heart, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_binary_blobs_comparison(&expected);
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
heart, NULL, alien, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_binary_blobs_comparison(&expected);
git_blob_free(heart);
}
static int maybe_sha_or_abbrev(git_object** out, git_repository *repo, const char *spec, size_t speclen)
{
git_oid oid;
if (git_oid_fromstrn(&oid, spec, speclen) < 0)
return GIT_ENOTFOUND;
return git_object_lookup_prefix(out, repo, &oid, speclen, GIT_OBJ_ANY);
}
void test_diff_blob__can_compare_text_blobs_with_patch(void)
{
git_blob *a, *b, *c;
git_oid a_oid, b_oid, c_oid;
git_patch *p;
/* tests/resources/attr/root_test1 */
cl_git_pass(git_oid_fromstrn(&a_oid, "45141a79", 8));
cl_git_pass(git_blob_lookup_prefix(&a, g_repo, &a_oid, 8));
/* tests/resources/attr/root_test2 */
cl_git_pass(git_oid_fromstrn(&b_oid, "4d713dc4", 8));
cl_git_pass(git_blob_lookup_prefix(&b, g_repo, &b_oid, 8));
/* tests/resources/attr/root_test3 */
cl_git_pass(git_oid_fromstrn(&c_oid, "c96bbb2c2557a832", 16));
cl_git_pass(git_blob_lookup_prefix(&c, g_repo, &c_oid, 16));
/* Doing the equivalent of a `git diff -U1` on these files */
/* diff on tests/resources/attr/root_test1 */
cl_git_pass(git_patch_from_blobs(&p, a, NULL, b, NULL, &opts));
assert_patch_matches_blobs(p, a, b, 1, 6, 0, 1, 5, 0);
git_patch_free(p);
/* diff on tests/resources/attr/root_test2 */
cl_git_pass(git_patch_from_blobs(&p, b, NULL, c, NULL, &opts));
assert_patch_matches_blobs(p, b, c, 1, 15, 0, 3, 9, 3);
git_patch_free(p);
/* diff on tests/resources/attr/root_test3 */
cl_git_pass(git_patch_from_blobs(&p, a, NULL, c, NULL, &opts));
assert_patch_matches_blobs(p, a, c, 1, 13, 0, 0, 12, 1);
git_patch_free(p);
/* one more */
cl_git_pass(git_patch_from_blobs(&p, c, NULL, d, NULL, &opts));
assert_patch_matches_blobs(p, c, d, 2, 5, 9, 4, 6, 4);
git_patch_free(p);
git_blob_free(a);
git_blob_free(b);
git_blob_free(c);
}
void test_diff_blob__initialize(void)
{
git_oid oid;
g_repo = cl_git_sandbox_init("attr");
cl_git_pass(git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION));
opts.context_lines = 1;
memset(&expected, 0, sizeof(expected));
/* tests/resources/attr/root_test4.txt */
cl_git_pass(git_oid_fromstrn(&oid, "a0f7217a", 8));
cl_git_pass(git_blob_lookup_prefix(&d, g_repo, &oid, 8));
/* alien.png */
cl_git_pass(git_oid_fromstrn(&oid, "edf3dcee", 8));
cl_git_pass(git_blob_lookup_prefix(&alien, g_repo, &oid, 8));
}
void test_odb_backend_simple__read_prefix_of_nonexisting_object_fails(void)
{
const fake_object objs[] = {
{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
{ NULL, NULL }
};
char *hash = "f6ea0495187600e8";
setup_backend(objs);
cl_git_pass(git_oid_fromstrn(&_oid, hash, strlen(hash)));
cl_git_fail_with(GIT_ENOTFOUND, git_odb_read(&_obj, _odb, &_oid));
}
int
py_str_to_git_oid(PyObject *py_str, git_oid *oid)
{
PyObject *py_hex;
char *hex_or_bin;
int err;
Py_ssize_t len;
/* Case 1: raw sha */
if (PyString_Check(py_str)) {
hex_or_bin = PyString_AsString(py_str);
if (hex_or_bin == NULL)
return -1;
git_oid_fromraw(oid, (const unsigned char*)hex_or_bin);
return GIT_OID_HEXSZ;
}
/* Case 2: hex sha */
if (PyUnicode_Check(py_str)) {
py_hex = PyUnicode_AsASCIIString(py_str);
if (py_hex == NULL)
return -1;
err = PyString_AsStringAndSize(py_hex, &hex_or_bin, &len);
if (err) {
Py_DECREF(py_hex);
return -1;
}
err = git_oid_fromstrn(oid, hex_or_bin, len);
Py_DECREF(py_hex);
if (err < 0) {
PyErr_SetObject(Error_type(err), py_str);
return -1;
}
return len;
}
/* Type error */
PyErr_Format(PyExc_TypeError,
"Git object id must be byte or a text string, not: %.200s",
Py_TYPE(py_str)->tp_name);
return -1;
}
void test_odb_mixed__dup_oid(void) {
const char hex[] = "ce013625030ba8dba906f756967f9e9ca394464a";
const char short_hex[] = "ce01362";
git_oid oid;
git_odb_object *obj;
cl_git_pass(git_oid_fromstr(&oid, hex));
cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, GIT_OID_HEXSZ));
git_odb_object_free(obj);
cl_git_pass(git_odb_exists_prefix(NULL, _odb, &oid, GIT_OID_HEXSZ));
cl_git_pass(git_oid_fromstrn(&oid, short_hex, sizeof(short_hex) - 1));
cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, sizeof(short_hex) - 1));
git_odb_object_free(obj);
cl_git_pass(git_odb_exists_prefix(NULL, _odb, &oid, sizeof(short_hex) - 1));
}
git_tree *resolve_commit_oid_to_tree(
git_repository *repo,
const char *partial_oid)
{
size_t len = strlen(partial_oid);
git_oid oid;
git_object *obj = NULL;
git_tree *tree = NULL;
if (git_oid_fromstrn(&oid, partial_oid, len) == 0)
git_object_lookup_prefix(&obj, repo, &oid, len, GIT_OBJ_ANY);
cl_assert(obj);
if (git_object_type(obj) == GIT_OBJ_TREE)
return (git_tree *)obj;
cl_assert(git_object_type(obj) == GIT_OBJ_COMMIT);
cl_git_pass(git_commit_tree(&tree, (git_commit *)obj));
git_object_free(obj);
return tree;
}
void test_diff_blob__can_compare_blob_to_buffer(void)
{
git_blob *a;
git_oid a_oid;
const char *a_content = "Hello from the root\n";
const char *b_content = "Hello from the root\n\nSome additional lines\n\nDown here below\n\n";
/* tests/resources/attr/root_test1 */
cl_git_pass(git_oid_fromstrn(&a_oid, "45141a79", 8));
cl_git_pass(git_blob_lookup_prefix(&a, g_repo, &a_oid, 8));
/* diff from blob a to content of b */
quick_diff_blob_to_str(a, NULL, b_content, 0, NULL);
assert_one_modified(1, 6, 1, 5, 0, &expected);
/* diff from blob a to content of a */
opts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
quick_diff_blob_to_str(a, NULL, a_content, 0, NULL);
assert_identical_blobs_comparison(&expected);
/* diff from NULL blob to content of a */
memset(&expected, 0, sizeof(expected));
quick_diff_blob_to_str(NULL, NULL, a_content, 0, NULL);
assert_changed_single_one_line_file(&expected, GIT_DELTA_ADDED);
/* diff from blob a to NULL buffer */
memset(&expected, 0, sizeof(expected));
quick_diff_blob_to_str(a, NULL, NULL, 0, NULL);
assert_changed_single_one_line_file(&expected, GIT_DELTA_DELETED);
/* diff with reverse */
opts.flags ^= GIT_DIFF_REVERSE;
memset(&expected, 0, sizeof(expected));
quick_diff_blob_to_str(a, NULL, NULL, 0, NULL);
assert_changed_single_one_line_file(&expected, GIT_DELTA_ADDED);
git_blob_free(a);
}
/*
* $ git diff fe773770 a0f7217
* diff --git a/fe773770 b/a0f7217
* index fe77377..a0f7217 100644
* --- a/fe773770
* +++ b/a0f7217
* @@ -1,6 +1,6 @@
* Here is some stuff at the start
*
* -This should go in one hunk
* +This should go in one hunk (first)
*
* Some additional lines
*
* @@ -8,7 +8,7 @@ Down here below the other lines
*
* With even more at the end
*
* -Followed by a second hunk of stuff
* +Followed by a second hunk of stuff (second)
*
* That happens down here
*/
void test_diff_blob__comparing_two_text_blobs_honors_interhunkcontext(void)
{
git_blob *old_d;
git_oid old_d_oid;
opts.context_lines = 3;
/* tests/resources/attr/root_test1 from commit f5b0af1 */
cl_git_pass(git_oid_fromstrn(&old_d_oid, "fe773770", 8));
cl_git_pass(git_blob_lookup_prefix(&old_d, g_repo, &old_d_oid, 8));
/* Test with default inter-hunk-context (not set) => default is 0 */
cl_git_pass(git_diff_blobs(
old_d, NULL, d, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
cl_assert_equal_i(2, expected.hunks);
/* Test with inter-hunk-context explicitly set to 0 */
opts.interhunk_lines = 0;
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
old_d, NULL, d, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
cl_assert_equal_i(2, expected.hunks);
/* Test with inter-hunk-context explicitly set to 1 */
opts.interhunk_lines = 1;
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
old_d, NULL, d, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
cl_assert_equal_i(1, expected.hunks);
git_blob_free(old_d);
}
static void assert_mergebase_many(const char *expected_sha, int count, ...)
{
va_list ap;
int i;
git_oid *oids;
git_oid oid, expected;
char *partial_oid;
git_object *object;
oids = git__malloc(count * sizeof(git_oid));
cl_assert(oids != NULL);
memset(oids, 0x0, count * sizeof(git_oid));
va_start(ap, count);
for (i = 0; i < count; ++i) {
partial_oid = va_arg(ap, char *);
cl_git_pass(git_oid_fromstrn(&oid, partial_oid, strlen(partial_oid)));
cl_git_pass(git_object_lookup_prefix(&object, _repo, &oid, strlen(partial_oid), GIT_OBJ_COMMIT));
git_oid_cpy(&oids[i], git_object_id(object));
git_object_free(object);
}
va_end(ap);
if (expected_sha == NULL)
cl_assert_equal_i(GIT_ENOTFOUND, git_merge_base_many(&oid, _repo, count, oids));
else {
cl_git_pass(git_merge_base_many(&oid, _repo, count, oids));
cl_git_pass(git_oid_fromstr(&expected, expected_sha));
cl_assert(git_oid_cmp(&expected, &oid) == 0);
}
git__free(oids);
}
static int parse_header_oid(
git_oid *oid,
uint16_t *oid_len,
git_patch_parse_ctx *ctx)
{
size_t len;
for (len = 0; len < ctx->parse_ctx.line_len && len < GIT_OID_HEXSZ; len++) {
if (!git__isxdigit(ctx->parse_ctx.line[len]))
break;
}
if (len < GIT_OID_MINPREFIXLEN || len > GIT_OID_HEXSZ ||
git_oid_fromstrn(oid, ctx->parse_ctx.line, len) < 0)
return git_parse_err("invalid hex formatted object id at line %"PRIuZ,
ctx->parse_ctx.line_num);
git_parse_advance_chars(&ctx->parse_ctx, len);
*oid_len = (uint16_t)len;
return 0;
}
static void setup_prefix_query(
git_odb_expand_id **out_ids,
size_t *out_num)
{
git_odb_expand_id *ids;
size_t num, i;
num = ARRAY_SIZE(expand_id_test_data);
cl_assert((ids = git__calloc(num, sizeof(git_odb_expand_id))));
for (i = 0; i < num; i++) {
git_odb_expand_id *id = &ids[i];
size_t len = strlen(expand_id_test_data[i].lookup_id);
git_oid_fromstrn(&id->id, expand_id_test_data[i].lookup_id, len);
id->length = (unsigned short)len;
id->type = expand_id_test_data[i].expected_type;
}
*out_ids = ids;
*out_num = num;
}
/**
* Lookup an object in a repository
*
* @param repo S4 class git_repository
* @param hex 4 to 40 char hexadecimal string
* @return S4 object with lookup
*/
SEXP git2r_object_lookup(SEXP repo, SEXP hex)
{
int err;
size_t len;
SEXP result = R_NilValue;
git_object *object = NULL;
git_oid oid;
git_repository *repository = NULL;
if (git2r_error_check_hex_arg(hex))
error("Invalid arguments to git2r_object_lookup");
repository = git2r_repository_open(repo);
if (!repository)
error(git2r_err_invalid_repository);
len = LENGTH(STRING_ELT(hex, 0));
if (GIT_OID_HEXSZ == len) {
git_oid_fromstr(&oid, CHAR(STRING_ELT(hex, 0)));
err = git_object_lookup(&object, repository, &oid, GIT_OBJ_ANY);
if (err < 0)
goto cleanup;
} else {
git_oid_fromstrn(&oid, CHAR(STRING_ELT(hex, 0)), len);
err = git_object_lookup_prefix(&object, repository, &oid, len, GIT_OBJ_ANY);
if (err < 0)
goto cleanup;
}
switch (git_object_type(object)) {
case GIT_OBJ_COMMIT:
PROTECT(result = NEW_OBJECT(MAKE_CLASS("git_commit")));
git2r_commit_init((git_commit*)object, repo, result);
break;
case GIT_OBJ_TREE:
PROTECT(result = NEW_OBJECT(MAKE_CLASS("git_tree")));
git2r_tree_init((git_tree*)object, repo, result);
break;
case GIT_OBJ_BLOB:
PROTECT(result = NEW_OBJECT(MAKE_CLASS("git_blob")));
git2r_blob_init((git_blob*)object, repo, result);
break;
case GIT_OBJ_TAG:
PROTECT(result = NEW_OBJECT(MAKE_CLASS("git_tag")));
git2r_tag_init((git_tag*)object, repo, result);
break;
default:
error("Unimplemented");
}
cleanup:
if (object)
git_object_free(object);
if (repository)
git_repository_free(repository);
if (R_NilValue != result)
UNPROTECT(1);
if (err < 0)
error("Error: %s\n", giterr_last()->message);
return result;
}
void test_odb_mixed__dup_oid_prefix_0(void) {
char hex[10];
git_oid oid, found;
git_odb_object *obj;
/* ambiguous in the same pack file */
strncpy(hex, "dea509d0", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_assert_equal_i(
GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
cl_assert_equal_i(
GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
strncpy(hex, "dea509d09", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
cl_assert_equal_oid(&found, git_odb_object_id(obj));
git_odb_object_free(obj);
strncpy(hex, "dea509d0b", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
git_odb_object_free(obj);
/* ambiguous in different pack files */
strncpy(hex, "81b5bff5", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_assert_equal_i(
GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
cl_assert_equal_i(
GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
strncpy(hex, "81b5bff5b", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
cl_assert_equal_oid(&found, git_odb_object_id(obj));
git_odb_object_free(obj);
strncpy(hex, "81b5bff5f", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
git_odb_object_free(obj);
/* ambiguous in pack file and loose */
strncpy(hex, "0ddeaded", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_assert_equal_i(
GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
cl_assert_equal_i(
GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
strncpy(hex, "0ddeaded9", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
cl_assert_equal_oid(&found, git_odb_object_id(obj));
git_odb_object_free(obj);
strncpy(hex, "0ddeadede", sizeof(hex));
cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
git_odb_object_free(obj);
}
int git_oid_fromstr(git_oid *out, const char *str)
{
return git_oid_fromstrn(out, str, GIT_OID_HEXSZ);
}
int git_oid_fromstrp(git_oid *out, const char *str)
{
return git_oid_fromstrn(out, str, strlen(str));
}
int cmd_rev_list(git_repository *repo, int argc, char **argv)
{
const char *commit_string = NULL;
const char *format = NULL;
int i = 0;
git_oid commit_oid;
git_oid current_oid;
char current_oid_str[GIT_OID_HEXSZ+1];
int err = 0;
int rc = EXIT_FAILURE;
git_commit *commit;
git_revwalk *walk;
for (i = 1; i < argc; i++)
{
if (*argv[i] == '-')
{
if (!prefixcmp(argv[i], "--pretty="))
{
format = argv[i] + strlen("--pretty=");
} else
{
fprintf(stderr,"Unknown option \"%s\"\n",argv[i]);
goto out;
}
} else
{
commit_string = argv[i];
}
}
if (!commit_string)
{
fprintf(stderr,"No commit id given!\n");
goto out;
}
if (format)
{
fprintf(stderr,"Format \"%s\" not supported!\n",format);
goto out;
}
if ((err = git_oid_fromstrn(&commit_oid,commit_string,strlen(commit_string))) != GIT_OK)
goto out;
if ((err = git_commit_lookup_prefix(&commit,repo,&commit_oid,strlen(commit_string))) != GIT_OK)
goto out;
if ((err = git_revwalk_new(&walk, repo)) != GIT_OK)
goto out;
git_revwalk_sorting(walk, GIT_SORT_TIME);
if ((err = git_revwalk_push(walk, &commit_oid)) != GIT_OK)
goto out;
while ((git_revwalk_next(¤t_oid, walk)) == GIT_OK)
{
struct git_commit *wcommit;
if (git_commit_lookup(&wcommit, repo, ¤t_oid) != 0)
continue;
git_oid_tostr(current_oid_str,sizeof(current_oid_str),¤t_oid);
printf("%s\n",current_oid_str);
git_commit_free(wcommit);
}
git_revwalk_free(walk);
out:
if (err) libgit_error();
if (commit) git_commit_free(commit);
return rc;
}
void test_diff_blob__using_path_and_attributes(void)
{
git_config *cfg;
git_blob *bin, *nonbin;
git_oid oid;
const char *nonbin_content = "Hello from the root\n";
const char *bin_content =
"0123456789\n\x01\x02\x03\x04\x05\x06\x07\x08\x09\x00\n0123456789\n";
size_t bin_len = 33;
const char *changed;
git_patch *p;
git_buf buf = GIT_BUF_INIT;
/* set up custom diff drivers and 'diff' attribute mappings for them */
cl_git_pass(git_repository_config(&cfg, g_repo));
cl_git_pass(git_config_set_bool(cfg, "diff.iam_binary.binary", 1));
cl_git_pass(git_config_set_bool(cfg, "diff.iam_text.binary", 0));
cl_git_pass(git_config_set_string(
cfg, "diff.iam_alphactx.xfuncname", "^[A-Za-z].*$"));
cl_git_pass(git_config_set_bool(cfg, "diff.iam_textalpha.binary", 0));
cl_git_pass(git_config_set_string(
cfg, "diff.iam_textalpha.xfuncname", "^[A-Za-z].*$"));
cl_git_pass(git_config_set_string(
cfg, "diff.iam_numctx.funcname", "^[0-9][0-9]*"));
cl_git_pass(git_config_set_bool(cfg, "diff.iam_textnum.binary", 0));
cl_git_pass(git_config_set_string(
cfg, "diff.iam_textnum.funcname", "^[0-9][0-9]*"));
git_config_free(cfg);
cl_git_append2file(
"attr/.gitattributes",
"\n\n# test_diff_blob__using_path_and_attributes extra\n\n"
"*.binary diff=iam_binary\n"
"*.textary diff=iam_text\n"
"*.alphary diff=iam_alphactx\n"
"*.textalphary diff=iam_textalpha\n"
"*.textnumary diff=iam_textnum\n"
"*.numary diff=iam_numctx\n\n");
opts.context_lines = 0;
opts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
cl_git_pass(git_oid_fromstrn(&oid, "45141a79", 8));
cl_git_pass(git_blob_lookup_prefix(&nonbin, g_repo, &oid, 8));
/* 20b: "Hello from the root\n" */
cl_git_pass(git_oid_fromstrn(&oid, "b435cd56", 8));
cl_git_pass(git_blob_lookup_prefix(&bin, g_repo, &oid, 8));
/* 33b: "0123456789\n\x01\x02\x03\x04\x05\x06\x07\x08\x09\n0123456789\n" */
/* non-binary to reference content */
quick_diff_blob_to_str(nonbin, NULL, nonbin_content, 0, NULL);
assert_identical_blobs_comparison(&expected);
cl_assert_equal_i(0, expected.files_binary);
/* binary to reference content */
quick_diff_blob_to_str(bin, NULL, bin_content, bin_len, NULL);
assert_identical_blobs_comparison(&expected);
cl_assert_equal_i(1, expected.files_binary);
/* add some text */
changed = "Hello from the root\nMore lines\nAnd more\nGo here\n";
quick_diff_blob_to_str(nonbin, NULL, changed, 0, NULL);
assert_one_modified(1, 3, 0, 3, 0, &expected);
quick_diff_blob_to_str(nonbin, "foo/bar.binary", changed, 0, NULL);
cl_assert_equal_i(1, expected.files);
cl_assert_equal_i(1, expected.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(1, expected.files_binary);
cl_assert_equal_i(0, expected.hunks);
cl_assert_equal_i(0, expected.lines);
quick_diff_blob_to_str(nonbin, "foo/bar.textary", changed, 0, NULL);
assert_one_modified(1, 3, 0, 3, 0, &expected);
quick_diff_blob_to_str(nonbin, "foo/bar.alphary", changed, 0, NULL);
assert_one_modified(1, 3, 0, 3, 0, &expected);
cl_git_pass(git_patch_from_blob_and_buffer(
&p, nonbin, "zzz.normal", changed, strlen(changed), NULL, &opts));
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(
"diff --git a/zzz.normal b/zzz.normal\n"
"index 45141a7..75b0dbb 100644\n"
"--- a/zzz.normal\n"
"+++ b/zzz.normal\n"
"@@ -1,0 +2,3 @@ Hello from the root\n"
"+More lines\n"
"+And more\n"
"+Go here\n", buf.ptr);
git_buf_clear(&buf);
git_patch_free(p);
cl_git_pass(git_patch_from_blob_and_buffer(
&p, nonbin, "zzz.binary", changed, strlen(changed), NULL, &opts));
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(
"diff --git a/zzz.binary b/zzz.binary\n"
"index 45141a7..75b0dbb 100644\n"
"Binary files a/zzz.binary and b/zzz.binary differ\n", buf.ptr);
git_buf_clear(&buf);
git_patch_free(p);
cl_git_pass(git_patch_from_blob_and_buffer(
&p, nonbin, "zzz.alphary", changed, strlen(changed), NULL, &opts));
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(
"diff --git a/zzz.alphary b/zzz.alphary\n"
"index 45141a7..75b0dbb 100644\n"
"--- a/zzz.alphary\n"
"+++ b/zzz.alphary\n"
"@@ -1,0 +2,3 @@ Hello from the root\n"
"+More lines\n"
"+And more\n"
"+Go here\n", buf.ptr);
git_buf_clear(&buf);
git_patch_free(p);
cl_git_pass(git_patch_from_blob_and_buffer(
&p, nonbin, "zzz.numary", changed, strlen(changed), NULL, &opts));
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(
"diff --git a/zzz.numary b/zzz.numary\n"
"index 45141a7..75b0dbb 100644\n"
"--- a/zzz.numary\n"
"+++ b/zzz.numary\n"
"@@ -1,0 +2,3 @@\n"
"+More lines\n"
"+And more\n"
"+Go here\n", buf.ptr);
git_buf_clear(&buf);
git_patch_free(p);
/* "0123456789\n\x01\x02\x03\x04\x05\x06\x07\x08\x09\x00\n0123456789\n"
* 33 bytes
*/
changed = "0123456789\n\x01\x02\x03\x04\x05\x06\x07\x08\x09\x00\nreplace a line\n";
cl_git_pass(git_patch_from_blob_and_buffer(
&p, bin, "zzz.normal", changed, 37, NULL, &opts));
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(
"diff --git a/zzz.normal b/zzz.normal\n"
"index b435cd5..1604519 100644\n"
"Binary files a/zzz.normal and b/zzz.normal differ\n", buf.ptr);
git_buf_clear(&buf);
git_patch_free(p);
cl_git_pass(git_patch_from_blob_and_buffer(
&p, bin, "zzz.textary", changed, 37, NULL, &opts));
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(
"diff --git a/zzz.textary b/zzz.textary\n"
"index b435cd5..1604519 100644\n"
"--- a/zzz.textary\n"
"+++ b/zzz.textary\n"
"@@ -3 +3 @@\n"
"-0123456789\n"
"+replace a line\n", buf.ptr);
git_buf_clear(&buf);
git_patch_free(p);
cl_git_pass(git_patch_from_blob_and_buffer(
&p, bin, "zzz.textalphary", changed, 37, NULL, &opts));
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(
"diff --git a/zzz.textalphary b/zzz.textalphary\n"
"index b435cd5..1604519 100644\n"
"--- a/zzz.textalphary\n"
"+++ b/zzz.textalphary\n"
"@@ -3 +3 @@\n"
"-0123456789\n"
"+replace a line\n", buf.ptr);
git_buf_clear(&buf);
git_patch_free(p);
cl_git_pass(git_patch_from_blob_and_buffer(
&p, bin, "zzz.textnumary", changed, 37, NULL, &opts));
cl_git_pass(git_patch_to_buf(&buf, p));
cl_assert_equal_s(
"diff --git a/zzz.textnumary b/zzz.textnumary\n"
"index b435cd5..1604519 100644\n"
"--- a/zzz.textnumary\n"
"+++ b/zzz.textnumary\n"
"@@ -3 +3 @@ 0123456789\n"
"-0123456789\n"
"+replace a line\n", buf.ptr);
git_buf_clear(&buf);
git_patch_free(p);
git_buf_free(&buf);
git_blob_free(nonbin);
git_blob_free(bin);
}
void test_diff_blob__can_compare_blob_to_buffer_with_patch(void)
{
git_patch *p;
git_blob *a;
git_oid a_oid;
const char *a_content = "Hello from the root\n";
const char *b_content = "Hello from the root\n\nSome additional lines\n\nDown here below\n\n";
size_t tc, ta, td;
/* tests/resources/attr/root_test1 */
cl_git_pass(git_oid_fromstrn(&a_oid, "45141a79", 8));
cl_git_pass(git_blob_lookup_prefix(&a, g_repo, &a_oid, 8));
/* diff from blob a to content of b */
cl_git_pass(git_patch_from_blob_and_buffer(
&p, a, NULL, b_content, strlen(b_content), NULL, &opts));
cl_assert(p != NULL);
cl_assert_equal_i(GIT_DELTA_MODIFIED, git_patch_get_delta(p)->status);
cl_assert_equal_i(1, (int)git_patch_num_hunks(p));
cl_assert_equal_i(6, git_patch_num_lines_in_hunk(p, 0));
cl_git_pass(git_patch_line_stats(&tc, &ta, &td, p));
cl_assert_equal_i(1, (int)tc);
cl_assert_equal_i(5, (int)ta);
cl_assert_equal_i(0, (int)td);
git_patch_free(p);
/* diff from blob a to content of a */
opts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
cl_git_pass(git_patch_from_blob_and_buffer(
&p, a, NULL, a_content, strlen(a_content), NULL, &opts));
cl_assert(p != NULL);
cl_assert_equal_i(GIT_DELTA_UNMODIFIED, git_patch_get_delta(p)->status);
cl_assert_equal_i(0, (int)git_patch_num_hunks(p));
git_patch_free(p);
/* diff from NULL blob to content of a */
cl_git_pass(git_patch_from_blob_and_buffer(
&p, NULL, NULL, a_content, strlen(a_content), NULL, &opts));
cl_assert(p != NULL);
cl_assert_equal_i(GIT_DELTA_ADDED, git_patch_get_delta(p)->status);
cl_assert_equal_i(1, (int)git_patch_num_hunks(p));
cl_assert_equal_i(1, git_patch_num_lines_in_hunk(p, 0));
git_patch_free(p);
/* diff from blob a to NULL buffer */
cl_git_pass(git_patch_from_blob_and_buffer(
&p, a, NULL, NULL, 0, NULL, &opts));
cl_assert(p != NULL);
cl_assert_equal_i(GIT_DELTA_DELETED, git_patch_get_delta(p)->status);
cl_assert_equal_i(1, (int)git_patch_num_hunks(p));
cl_assert_equal_i(1, git_patch_num_lines_in_hunk(p, 0));
git_patch_free(p);
/* diff with reverse */
opts.flags ^= GIT_DIFF_REVERSE;
cl_git_pass(git_patch_from_blob_and_buffer(
&p, a, NULL, NULL, 0, NULL, &opts));
cl_assert(p != NULL);
cl_assert_equal_i(GIT_DELTA_ADDED, git_patch_get_delta(p)->status);
cl_assert_equal_i(1, (int)git_patch_num_hunks(p));
cl_assert_equal_i(1, git_patch_num_lines_in_hunk(p, 0));
git_patch_free(p);
git_blob_free(a);
}
void test_diff_blob__binary_data_comparisons(void)
{
git_blob *bin, *nonbin;
git_oid oid;
const char *nonbin_content = "Hello from the root\n";
size_t nonbin_len = 20;
const char *bin_content = "0123456789\n\x01\x02\x03\x04\x05\x06\x07\x08\x09\x00\n0123456789\n";
size_t bin_len = 33;
opts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
cl_git_pass(git_oid_fromstrn(&oid, "45141a79", 8));
cl_git_pass(git_blob_lookup_prefix(&nonbin, g_repo, &oid, 8));
cl_git_pass(git_oid_fromstrn(&oid, "b435cd56", 8));
cl_git_pass(git_blob_lookup_prefix(&bin, g_repo, &oid, 8));
/* non-binary to reference content */
quick_diff_blob_to_str(nonbin, NULL, nonbin_content, nonbin_len, NULL);
assert_identical_blobs_comparison(&expected);
cl_assert_equal_i(0, expected.files_binary);
/* binary to reference content */
quick_diff_blob_to_str(bin, NULL, bin_content, bin_len, NULL);
assert_identical_blobs_comparison(&expected);
cl_assert_equal_i(1, expected.files_binary);
/* non-binary to binary content */
quick_diff_blob_to_str(nonbin, NULL, bin_content, bin_len, NULL);
assert_binary_blobs_comparison(&expected);
/* binary to non-binary content */
quick_diff_blob_to_str(bin, NULL, nonbin_content, nonbin_len, NULL);
assert_binary_blobs_comparison(&expected);
/* non-binary to binary blob */
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
bin, NULL, nonbin, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_binary_blobs_comparison(&expected);
/*
* repeat with FORCE_TEXT
*/
opts.flags |= GIT_DIFF_FORCE_TEXT;
quick_diff_blob_to_str(bin, NULL, bin_content, bin_len, NULL);
assert_identical_blobs_comparison(&expected);
quick_diff_blob_to_str(nonbin, NULL, bin_content, bin_len, NULL);
assert_one_modified_with_lines(&expected, 4);
quick_diff_blob_to_str(bin, NULL, nonbin_content, nonbin_len, NULL);
assert_one_modified_with_lines(&expected, 4);
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
bin, NULL, nonbin, NULL, &opts,
diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &expected));
assert_one_modified_with_lines(&expected, 4);
/* cleanup */
git_blob_free(bin);
git_blob_free(nonbin);
}
