int git_checkout_tree(
git_repository *repo,
git_object *treeish,
git_checkout_opts *opts,
git_indexer_stats *stats)
{
git_index *index = NULL;
git_tree *tree = NULL;
int error;
assert(repo && treeish);
if (git_object_peel((git_object **)&tree, treeish, GIT_OBJ_TREE) < 0) {
giterr_set(GITERR_INVALID, "Provided treeish cannot be peeled into a tree.");
return GIT_ERROR;
}
if ((error = git_repository_index(&index, repo)) < 0)
goto cleanup;
if ((error = git_index_read_tree(index, tree, NULL)) < 0)
goto cleanup;
if ((error = git_index_write(index)) < 0)
goto cleanup;
error = git_checkout_index(repo, opts, stats);
cleanup:
git_index_free(index);
git_tree_free(tree);
return error;
}
void test_diff_index__not_in_head_conflicted(void)
{
const char *a_commit = "26a125ee1bf"; /* the current HEAD */
git_index_entry theirs = {{0}};
git_index *index;
git_diff *diff;
const git_diff_delta *delta;
git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit);
cl_git_pass(git_repository_index(&index, g_repo));
cl_git_pass(git_index_read_tree(index, a));
theirs.path = "file_not_in_head";
theirs.mode = GIT_FILEMODE_BLOB;
git_oid_fromstr(&theirs.id, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef");
cl_git_pass(git_index_conflict_add(index, NULL, NULL, &theirs));
cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, index, NULL));
cl_assert_equal_i(git_diff_num_deltas(diff), 1);
delta = git_diff_get_delta(diff, 0);
cl_assert_equal_i(delta->status, GIT_DELTA_CONFLICTED);
git_diff_free(diff);
git_index_free(index);
git_tree_free(a);
}
void test_index_racy__read_tree_clears_uptodate_bit(void)
{
git_index *index;
git_tree *tree;
const git_index_entry *entry;
git_oid id;
setup_uptodate_files();
cl_git_pass(git_repository_index(&index, g_repo));
cl_git_pass(git_index_write_tree_to(&id, index, g_repo));
cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
cl_git_pass(git_index_read_tree(index, tree));
/* ensure that no files are uptodate */
cl_assert((entry = git_index_get_bypath(index, "A", 0)));
cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
cl_assert((entry = git_index_get_bypath(index, "B", 0)));
cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
cl_assert((entry = git_index_get_bypath(index, "C", 0)));
cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
git_tree_free(tree);
git_index_free(index);
}
void test_diff_index__to_index(void)
{
const char *a_commit = "26a125ee1bf"; /* the current HEAD */
git_tree *old_tree;
git_index *old_index;
git_index *new_index;
git_diff *diff;
diff_expects exp;
cl_git_pass(git_index_new(&old_index));
old_tree = resolve_commit_oid_to_tree(g_repo, a_commit);
cl_git_pass(git_index_read_tree(old_index, old_tree));
cl_git_pass(git_repository_index(&new_index, g_repo));
cl_git_pass(git_diff_index_to_index(&diff, g_repo, old_index, new_index, NULL));
memset(&exp, 0, sizeof(diff_expects));
cl_git_pass(git_diff_foreach(
diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp));
cl_assert_equal_i(8, exp.files);
cl_assert_equal_i(3, exp.file_status[GIT_DELTA_ADDED]);
cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]);
cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]);
cl_assert_equal_i(0, exp.file_status[GIT_DELTA_CONFLICTED]);
git_diff_free(diff);
git_index_free(new_index);
git_index_free(old_index);
git_tree_free(old_tree);
}
void test_object_tree_update__remove_all_entries(void)
{
git_oid tree_index_id, tree_updater_id, base_id;
git_tree *base_tree;
git_index *idx;
const char *path1 = "subdir/subdir2/README";
const char *path2 = "subdir/subdir2/new.txt";
git_tree_update updates[] = {
{ GIT_TREE_UPDATE_REMOVE, {{0}}, GIT_FILEMODE_BLOB /* ignored */, path1},
{ GIT_TREE_UPDATE_REMOVE, {{0}}, GIT_FILEMODE_BLOB /* ignored */, path2},
};
cl_git_pass(git_oid_fromstr(&base_id, "c4dc1555e4d4fa0e0c9c3fc46734c7c35b3ce90b"));
cl_git_pass(git_tree_lookup(&base_tree, g_repo, &base_id));
/* Create it with an index */
cl_git_pass(git_index_new(&idx));
cl_git_pass(git_index_read_tree(idx, base_tree));
cl_git_pass(git_index_remove(idx, path1, 0));
cl_git_pass(git_index_remove(idx, path2, 0));
cl_git_pass(git_index_write_tree_to(&tree_index_id, idx, g_repo));
git_index_free(idx);
/* Perform the same operation via the tree updater */
cl_git_pass(git_tree_create_updated(&tree_updater_id, g_repo, base_tree, 2, updates));
cl_assert_equal_oid(&tree_index_id, &tree_updater_id);
git_tree_free(base_tree);
}
void test_object_tree_update__replace_blob(void)
{
git_oid tree_index_id, tree_updater_id, base_id;
git_tree *base_tree;
git_index *idx;
const char *path = "README";
git_index_entry entry = { {0} };
git_tree_update updates[] = {
{ GIT_TREE_UPDATE_UPSERT, {{0}}, GIT_FILEMODE_BLOB, path},
};
cl_git_pass(git_oid_fromstr(&base_id, "c4dc1555e4d4fa0e0c9c3fc46734c7c35b3ce90b"));
cl_git_pass(git_tree_lookup(&base_tree, g_repo, &base_id));
/* Create it with an index */
cl_git_pass(git_index_new(&idx));
cl_git_pass(git_index_read_tree(idx, base_tree));
entry.path = path;
cl_git_pass(git_oid_fromstr(&entry.id, "fa49b077972391ad58037050f2a75f74e3671e92"));
entry.mode = GIT_FILEMODE_BLOB;
cl_git_pass(git_index_add(idx, &entry));
cl_git_pass(git_index_write_tree_to(&tree_index_id, idx, g_repo));
git_index_free(idx);
/* Perform the same operation via the tree updater */
cl_git_pass(git_oid_fromstr(&updates[0].id, "fa49b077972391ad58037050f2a75f74e3671e92"));
cl_git_pass(git_tree_create_updated(&tree_updater_id, g_repo, base_tree, 1, updates));
cl_assert_equal_oid(&tree_index_id, &tree_updater_id);
git_tree_free(base_tree);
}
void assert_conflict(
const char *entry_path,
const char *new_content,
const char *parent_sha,
const char *commit_sha)
{
git_index *index;
git_object *hack_tree;
git_reference *branch, *head;
git_buf file_path = GIT_BUF_INIT;
cl_git_pass(git_repository_index(&index, g_repo));
/* Create a branch pointing at the parent */
cl_git_pass(git_revparse_single(&g_object, g_repo, parent_sha));
cl_git_pass(git_branch_create(&branch, g_repo,
"potential_conflict", (git_commit *)g_object, 0));
/* Make HEAD point to this branch */
cl_git_pass(git_reference_symbolic_create(
&head, g_repo, "HEAD", git_reference_name(branch), 1, NULL));
git_reference_free(head);
git_reference_free(branch);
/* Checkout the parent */
g_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));
/* Hack-ishy workaound to ensure *all* the index entries
* match the content of the tree
*/
cl_git_pass(git_object_peel(&hack_tree, g_object, GIT_OBJ_TREE));
cl_git_pass(git_index_read_tree(index, (git_tree *)hack_tree));
git_object_free(hack_tree);
git_object_free(g_object);
g_object = NULL;
/* Create a conflicting file */
cl_git_pass(git_buf_joinpath(&file_path, "./testrepo", entry_path));
cl_git_mkfile(git_buf_cstr(&file_path), new_content);
git_buf_free(&file_path);
/* Trying to checkout the original commit */
cl_git_pass(git_revparse_single(&g_object, g_repo, commit_sha));
g_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
cl_assert_equal_i(
GIT_ECONFLICT, git_checkout_tree(g_repo, g_object, &g_opts));
/* Stage the conflicting change */
cl_git_pass(git_index_add_bypath(index, entry_path));
cl_git_pass(git_index_write(index));
git_index_free(index);
cl_assert_equal_i(
GIT_ECONFLICT, git_checkout_tree(g_repo, g_object, &g_opts));
}
void test_object_tree_update__add_blobs(void)
{
git_oid tree_index_id, tree_updater_id, base_id;
git_tree *base_tree;
git_index *idx;
git_index_entry entry = { {0} };
int i;
const char *paths[] = {
"some/deep/path",
"some/other/path",
"a/path/elsewhere",
};
git_tree_update updates[] = {
{ GIT_TREE_UPDATE_UPSERT, {{0}}, GIT_FILEMODE_BLOB, paths[0]},
{ GIT_TREE_UPDATE_UPSERT, {{0}}, GIT_FILEMODE_BLOB, paths[1]},
{ GIT_TREE_UPDATE_UPSERT, {{0}}, GIT_FILEMODE_BLOB, paths[2]},
};
cl_git_pass(git_oid_fromstr(&base_id, "c4dc1555e4d4fa0e0c9c3fc46734c7c35b3ce90b"));
entry.mode = GIT_FILEMODE_BLOB;
cl_git_pass(git_oid_fromstr(&entry.id, "fa49b077972391ad58037050f2a75f74e3671e92"));
for (i = 0; i < 3; i++) {
cl_git_pass(git_oid_fromstr(&updates[i].id, "fa49b077972391ad58037050f2a75f74e3671e92"));
}
for (i = 0; i < 2; i++) {
int j;
/* Create it with an index */
cl_git_pass(git_index_new(&idx));
base_tree = NULL;
if (i == 1) {
cl_git_pass(git_tree_lookup(&base_tree, g_repo, &base_id));
cl_git_pass(git_index_read_tree(idx, base_tree));
}
for (j = 0; j < 3; j++) {
entry.path = paths[j];
cl_git_pass(git_index_add(idx, &entry));
}
cl_git_pass(git_index_write_tree_to(&tree_index_id, idx, g_repo));
git_index_free(idx);
/* Perform the same operations via the tree updater */
cl_git_pass(git_tree_create_updated(&tree_updater_id, g_repo, base_tree, 3, updates));
cl_assert_equal_oid(&tree_index_id, &tree_updater_id);
}
git_tree_free(base_tree);
}
static void reset_index_to_treeish(git_object *treeish)
{
git_object *tree;
git_index *index;
cl_git_pass(git_object_peel(&tree, treeish, GIT_OBJ_TREE));
cl_git_pass(git_repository_index(&index, g_repo));
cl_git_pass(git_index_read_tree(index, (git_tree *)tree));
cl_git_pass(git_index_write(index));
git_object_free(tree);
git_index_free(index);
}
void test_checkout_index__target_directory_from_bare(void)
{
git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
git_index *index;
git_object *head = NULL;
checkout_counts cts;
memset(&cts, 0, sizeof(cts));
test_checkout_index__cleanup();
g_repo = cl_git_sandbox_init("testrepo.git");
cl_assert(git_repository_is_bare(g_repo));
cl_git_pass(git_repository_index(&index, g_repo));
cl_git_pass(git_revparse_single(&head, g_repo, "HEAD^{tree}"));
cl_git_pass(git_index_read_tree(index, (const git_tree *)head));
cl_git_pass(git_index_write(index));
git_index_free(index);
opts.checkout_strategy = GIT_CHECKOUT_SAFE |
GIT_CHECKOUT_RECREATE_MISSING;
opts.notify_flags = GIT_CHECKOUT_NOTIFY_ALL;
opts.notify_cb = checkout_count_callback;
opts.notify_payload = &cts;
/* fail to checkout a bare repo */
cl_git_fail(git_checkout_index(g_repo, NULL, &opts));
opts.target_directory = "alternative";
cl_assert(!git_path_isdir("alternative"));
cl_git_pass(git_checkout_index(g_repo, NULL, &opts));
cl_assert_equal_i(0, cts.n_untracked);
cl_assert_equal_i(0, cts.n_ignored);
cl_assert_equal_i(3, cts.n_updates);
/* files will have been filtered if needed, so strip CR */
check_file_contents_nocr("./alternative/README", "hey there\n");
check_file_contents_nocr("./alternative/branch_file.txt", "hi\nbye!\n");
check_file_contents_nocr("./alternative/new.txt", "my new file\n");
cl_git_pass(git_futils_rmdir_r(
"alternative", NULL, GIT_RMDIR_REMOVE_FILES));
git_object_free(head);
}
static void fill_index_wth_head_entries(git_repository *repo, git_index *index)
{
git_oid oid;
git_commit *commit;
git_tree *tree;
cl_git_pass(git_reference_name_to_oid(&oid, repo, "HEAD"));
cl_git_pass(git_commit_lookup(&commit, repo, &oid));
cl_git_pass(git_commit_tree(&tree, commit));
cl_git_pass(git_index_read_tree(index, tree));
cl_git_pass(git_index_write(index));
git_tree_free(tree);
git_commit_free(commit);
}
void test_index_read_index__maintains_stat_cache(void)
{
git_index *new_index;
git_oid index_id;
git_index_entry new_entry;
const git_index_entry *e;
git_tree *tree;
size_t i;
cl_assert_equal_i(4, git_index_entrycount(_index));
/* write-tree */
cl_git_pass(git_index_write_tree(&index_id, _index));
/* read-tree, then read index */
git_tree_lookup(&tree, _repo, &index_id);
cl_git_pass(git_index_new(&new_index));
cl_git_pass(git_index_read_tree(new_index, tree));
git_tree_free(tree);
/* add a new entry that will not have stat data */
memset(&new_entry, 0, sizeof(git_index_entry));
new_entry.path = "Hello";
git_oid_fromstr(&new_entry.id, "0123456789012345678901234567890123456789");
new_entry.file_size = 1234;
new_entry.mode = 0100644;
cl_git_pass(git_index_add(new_index, &new_entry));
cl_assert_equal_i(5, git_index_entrycount(new_index));
cl_git_pass(git_index_read_index(_index, new_index));
git_index_free(new_index);
cl_assert_equal_i(5, git_index_entrycount(_index));
for (i = 0; i < git_index_entrycount(_index); i++) {
e = git_index_get_byindex(_index, i);
if (strcmp(e->path, "Hello") == 0) {
cl_assert_equal_i(0, e->ctime.seconds);
cl_assert_equal_i(0, e->mtime.seconds);
} else {
cl_assert(0 != e->ctime.seconds);
cl_assert(0 != e->mtime.seconds);
}
}
}
ERL_NIF_TERM
geef_index_read_tree(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{
geef_index *index;
geef_object *tree;
if (!enif_get_resource(env, argv[0], geef_index_type, (void **) &index))
return enif_make_badarg(env);
if (!enif_get_resource(env, argv[0], geef_object_type, (void **) &tree))
return enif_make_badarg(env);
if (git_index_read_tree(index->index, (git_tree *)tree->obj) < 0)
return geef_error(env);
return atoms.ok;
}
/*
* call-seq:
* index.read_tree(tree)
*
* Clear the current index and start the index again on top of +tree+
*
* Further index operations (+add+, +update+, +remove+, etc) will
* be considered changes on top of +tree+.
*/
static VALUE rb_git_index_readtree(VALUE self, VALUE rb_tree)
{
git_index *index;
git_tree *tree;
int error;
Data_Get_Struct(self, git_index, index);
Data_Get_Struct(rb_tree, git_tree, tree);
if (!rb_obj_is_kind_of(rb_tree, rb_cRuggedTree)) {
rb_raise(rb_eTypeError, "A Rugged::Tree instance is required");
}
error = git_index_read_tree(index, tree);
rugged_exception_check(error);
return Qnil;
}
static bool roundtrip_with_read_index(const char *tree_idstr)
{
git_oid tree_id, new_tree_id;
git_tree *tree;
git_index *tree_index;
cl_git_pass(git_oid_fromstr(&tree_id, tree_idstr));
cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
cl_git_pass(git_index_new(&tree_index));
cl_git_pass(git_index_read_tree(tree_index, tree));
cl_git_pass(git_index_read_index(_index, tree_index));
cl_git_pass(git_index_write_tree(&new_tree_id, _index));
git_tree_free(tree);
git_index_free(tree_index);
return git_oid_equal(&tree_id, &new_tree_id);
}
static int commit_worktree(
git_oid *w_commit_oid,
git_index *index,
const git_signature *stasher,
const char *message,
git_commit *i_commit,
git_commit *b_commit,
git_commit *u_commit)
{
int error = 0;
git_tree *w_tree = NULL, *i_tree = NULL;
const git_commit *parents[] = { NULL, NULL, NULL };
parents[0] = b_commit;
parents[1] = i_commit;
parents[2] = u_commit;
if ((error = git_commit_tree(&i_tree, i_commit)) < 0)
goto cleanup;
if ((error = git_index_read_tree(index, i_tree)) < 0)
goto cleanup;
if ((error = build_workdir_tree(&w_tree, index, b_commit)) < 0)
goto cleanup;
error = git_commit_create(
w_commit_oid,
git_index_owner(index),
NULL,
stasher,
stasher,
NULL,
message,
w_tree,
u_commit ? 3 : 2,
parents);
cleanup:
git_tree_free(i_tree);
git_tree_free(w_tree);
return error;
}
/* Test that reading and writing a tree is a no-op */
void test_index_read_tree__read_write_involution(void)
{
git_repository *repo;
git_index *index;
git_oid tree_oid;
git_tree *tree;
git_oid expected;
p_mkdir("read_tree", 0700);
cl_git_pass(git_repository_init(&repo, "./read_tree", 0));
cl_git_pass(git_repository_index(&index, repo));
cl_assert(git_index_entrycount(index) == 0);
p_mkdir("./read_tree/abc", 0700);
/* Sort order: '-' < '/' < '_' */
cl_git_mkfile("./read_tree/abc-d", NULL);
cl_git_mkfile("./read_tree/abc/d", NULL);
cl_git_mkfile("./read_tree/abc_d", NULL);
cl_git_pass(git_index_add_bypath(index, "abc-d"));
cl_git_pass(git_index_add_bypath(index, "abc_d"));
cl_git_pass(git_index_add_bypath(index, "abc/d"));
/* write-tree */
cl_git_pass(git_index_write_tree(&expected, index));
/* read-tree */
git_tree_lookup(&tree, repo, &expected);
cl_git_pass(git_index_read_tree(index, tree));
git_tree_free(tree);
cl_git_pass(git_index_write_tree(&tree_oid, index));
cl_assert_equal_oid(&expected, &tree_oid);
git_index_free(index);
git_repository_free(repo);
cl_fixture_cleanup("read_tree");
}
PyObject *
Index_read_tree(Index *self, PyObject *value)
{
git_oid oid;
git_tree *tree = NULL;
int err, need_free = 0;
size_t len;
len = py_oid_to_git_oid(value, &oid);
if (len == 0) {
Tree *py_tree;
if (!PyObject_TypeCheck(value, &TreeType)) {
return NULL;
}
PyErr_Clear();
py_tree = (Tree *) value;
tree = py_tree->tree;
}
/*
* if the user passed in an id but we're not associated with a
* repo, we can't do anything
*/
if (tree == NULL && self->repo == NULL) {
PyErr_SetString(PyExc_TypeError, "id given but no associated repository");
return NULL;
} else if (tree == NULL) {
need_free = 1;
err = git_tree_lookup_prefix(&tree, self->repo->repo, &oid, len);
if (err < 0)
return Error_set(err);
}
err = git_index_read_tree(self->index, tree);
if (need_free)
git_tree_free(tree);
if (err < 0)
return Error_set(err);
Py_RETURN_NONE;
}
PyObject *
Index_read_tree(Index *self, PyObject *value)
{
git_oid oid;
git_tree *tree;
int err, len;
len = py_str_to_git_oid(value, &oid);
if (len < 0)
return NULL;
err = git_tree_lookup_prefix(&tree, self->repo->repo, &oid,
(unsigned int)len);
if (err < 0)
return Error_set(err);
err = git_index_read_tree(self->index, tree);
if (err < 0)
return Error_set(err);
Py_RETURN_NONE;
}
void test_diff_iterator__index_handles_icase_range(void)
{
git_repository *repo;
git_index *index;
git_tree *head;
repo = cl_git_sandbox_init("testrepo");
/* reset index to match HEAD */
cl_git_pass(git_repository_head_tree(&head, repo));
cl_git_pass(git_repository_index(&index, repo));
cl_git_pass(git_index_read_tree(index, head));
cl_git_pass(git_index_write(index));
git_tree_free(head);
git_index_free(index);
/* do some ranged iterator checks toggling case sensitivity */
check_index_range(repo, "B", "C", false, 0);
check_index_range(repo, "B", "C", true, 1);
check_index_range(repo, "a", "z", false, 3);
check_index_range(repo, "a", "z", true, 4);
}
void test_index_read_index__read_and_writes(void)
{
git_oid tree_id, new_tree_id;
git_tree *tree;
git_index *tree_index, *new_index;
cl_git_pass(git_oid_fromstr(&tree_id, "ae90f12eea699729ed24555e40b9fd669da12a12"));
cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
cl_git_pass(git_index_new(&tree_index));
cl_git_pass(git_index_read_tree(tree_index, tree));
cl_git_pass(git_index_read_index(_index, tree_index));
cl_git_pass(git_index_write(_index));
cl_git_pass(git_index_open(&new_index, git_index_path(_index)));
cl_git_pass(git_index_write_tree_to(&new_tree_id, new_index, _repo));
cl_assert_equal_oid(&tree_id, &new_tree_id);
git_tree_free(tree);
git_index_free(tree_index);
git_index_free(new_index);
}
int git_reset(
git_repository *repo,
const git_object *target,
git_reset_type reset_type)
{
git_otype target_type = GIT_OBJ_BAD;
git_object *commit = NULL;
git_index *index = NULL;
git_tree *tree = NULL;
int error = -1;
assert(repo && target);
assert(reset_type == GIT_RESET_SOFT || reset_type == GIT_RESET_MIXED);
if (git_object_owner(target) != repo)
return reset_error_invalid("The given target does not belong to this repository.");
if (reset_type == GIT_RESET_MIXED && git_repository_is_bare(repo))
return reset_error_invalid("Mixed reset is not allowed in a bare repository.");
target_type = git_object_type(target);
switch (target_type)
{
case GIT_OBJ_TAG:
if (git_tag_peel(&commit, (git_tag *)target) < 0)
goto cleanup;
if (git_object_type(commit) != GIT_OBJ_COMMIT) {
reset_error_invalid("The given target does not resolve to a commit.");
goto cleanup;
}
break;
case GIT_OBJ_COMMIT:
commit = (git_object *)target;
break;
default:
return reset_error_invalid("Only git_tag and git_commit objects are valid targets.");
}
//TODO: Check for unmerged entries
if (git_reference__update(repo, git_object_id(commit), GIT_HEAD_FILE) < 0)
goto cleanup;
if (reset_type == GIT_RESET_SOFT) {
error = 0;
goto cleanup;
}
if (git_commit_tree(&tree, (git_commit *)commit) < 0) {
giterr_set(GITERR_OBJECT, "%s - Failed to retrieve the commit tree.", ERROR_MSG);
goto cleanup;
}
if (git_repository_index(&index, repo) < 0) {
giterr_set(GITERR_OBJECT, "%s - Failed to retrieve the index.", ERROR_MSG);
goto cleanup;
}
if (git_index_read_tree(index, tree) < 0) {
giterr_set(GITERR_INDEX, "%s - Failed to update the index.", ERROR_MSG);
goto cleanup;
}
if (git_index_write(index) < 0) {
giterr_set(GITERR_INDEX, "%s - Failed to write the index.", ERROR_MSG);
goto cleanup;
}
error = 0;
cleanup:
if (target_type == GIT_OBJ_TAG)
git_object_free(commit);
git_index_free(index);
git_tree_free(tree);
return error;
}
static int reset(
git_repository *repo,
const git_object *target,
const char *to,
git_reset_t reset_type,
const git_checkout_options *checkout_opts)
{
git_object *commit = NULL;
git_index *index = NULL;
git_tree *tree = NULL;
int error = 0;
git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
git_buf log_message = GIT_BUF_INIT;
assert(repo && target);
if (checkout_opts)
opts = *checkout_opts;
if (git_object_owner(target) != repo) {
giterr_set(GITERR_OBJECT,
"%s - The given target does not belong to this repository.", ERROR_MSG);
return -1;
}
if (reset_type != GIT_RESET_SOFT &&
(error = git_repository__ensure_not_bare(repo,
reset_type == GIT_RESET_MIXED ? "reset mixed" : "reset hard")) < 0)
return error;
if ((error = git_object_peel(&commit, target, GIT_OBJECT_COMMIT)) < 0 ||
(error = git_repository_index(&index, repo)) < 0 ||
(error = git_commit_tree(&tree, (git_commit *)commit)) < 0)
goto cleanup;
if (reset_type == GIT_RESET_SOFT &&
(git_repository_state(repo) == GIT_REPOSITORY_STATE_MERGE ||
git_index_has_conflicts(index)))
{
giterr_set(GITERR_OBJECT, "%s (soft) in the middle of a merge", ERROR_MSG);
error = GIT_EUNMERGED;
goto cleanup;
}
if ((error = git_buf_printf(&log_message, "reset: moving to %s", to)) < 0)
return error;
if (reset_type == GIT_RESET_HARD) {
/* overwrite working directory with the new tree */
opts.checkout_strategy = GIT_CHECKOUT_FORCE;
if ((error = git_checkout_tree(repo, (git_object *)tree, &opts)) < 0)
goto cleanup;
}
/* move HEAD to the new target */
if ((error = git_reference__update_terminal(repo, GIT_HEAD_FILE,
git_object_id(commit), NULL, git_buf_cstr(&log_message))) < 0)
goto cleanup;
if (reset_type > GIT_RESET_SOFT) {
/* reset index to the target content */
if ((error = git_index_read_tree(index, tree)) < 0 ||
(error = git_index_write(index)) < 0)
goto cleanup;
if ((error = git_repository_state_cleanup(repo)) < 0) {
giterr_set(GITERR_INDEX, "%s - failed to clean up merge data", ERROR_MSG);
goto cleanup;
}
}
cleanup:
git_object_free(commit);
git_index_free(index);
git_tree_free(tree);
git_buf_dispose(&log_message);
return error;
}
int git_reset(
git_repository *repo,
git_object *target,
git_reset_t reset_type)
{
git_object *commit = NULL;
git_index *index = NULL;
git_tree *tree = NULL;
int error = 0;
git_checkout_opts opts = GIT_CHECKOUT_OPTS_INIT;
assert(repo && target);
if (git_object_owner(target) != repo) {
giterr_set(GITERR_OBJECT,
"%s - The given target does not belong to this repository.", ERROR_MSG);
return -1;
}
if (reset_type != GIT_RESET_SOFT &&
(error = git_repository__ensure_not_bare(repo,
reset_type == GIT_RESET_MIXED ? "reset mixed" : "reset hard")) < 0)
return error;
if ((error = git_object_peel(&commit, target, GIT_OBJ_COMMIT)) < 0 ||
(error = git_repository_index(&index, repo)) < 0 ||
(error = git_commit_tree(&tree, (git_commit *)commit)) < 0)
goto cleanup;
if (reset_type == GIT_RESET_SOFT &&
(git_repository_state(repo) == GIT_REPOSITORY_STATE_MERGE ||
git_index_has_conflicts(index)))
{
giterr_set(GITERR_OBJECT, "%s (soft) in the middle of a merge.", ERROR_MSG);
error = GIT_EUNMERGED;
goto cleanup;
}
/* move HEAD to the new target */
if ((error = update_head(repo, commit)) < 0)
goto cleanup;
if (reset_type == GIT_RESET_HARD) {
/* overwrite working directory with HEAD */
opts.checkout_strategy = GIT_CHECKOUT_FORCE;
if ((error = git_checkout_tree(repo, (git_object *)tree, &opts)) < 0)
goto cleanup;
}
if (reset_type > GIT_RESET_SOFT) {
/* reset index to the target content */
if ((error = git_index_read_tree(index, tree)) < 0 ||
(error = git_index_write(index)) < 0)
goto cleanup;
if ((error = git_repository_merge_cleanup(repo)) < 0) {
giterr_set(GITERR_INDEX, "%s - failed to clean up merge data", ERROR_MSG);
goto cleanup;
}
}
cleanup:
git_object_free(commit);
git_index_free(index);
git_tree_free(tree);
return error;
}
void Index::readTree(Tree& tree)
{
Exception::git2_assert(git_index_read_tree(data(), tree.data()));
}
void test_index_read_index__handles_conflicts(void)
{
git_oid tree_id;
git_tree *tree;
git_index *index, *new_index;
git_index_conflict_iterator *conflict_iterator;
const git_index_entry *ancestor, *ours, *theirs;
cl_git_pass(git_oid_fromstr(&tree_id, "ae90f12eea699729ed24555e40b9fd669da12a12"));
cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
cl_git_pass(git_index_new(&index));
cl_git_pass(git_index_new(&new_index));
cl_git_pass(git_index_read_tree(index, tree));
cl_git_pass(git_index_read_tree(new_index, tree));
/* put some conflicts in only the old side, these should be removed */
add_conflicts(index, "orig_side-1.txt");
add_conflicts(index, "orig_side-2.txt");
/* put some conflicts in both indexes, these should be unchanged */
add_conflicts(index, "both_sides-1.txt");
add_conflicts(new_index, "both_sides-1.txt");
add_conflicts(index, "both_sides-2.txt");
add_conflicts(new_index, "both_sides-2.txt");
/* put some conflicts in the new index, these should be added */
add_conflicts(new_index, "new_side-1.txt");
add_conflicts(new_index, "new_side-2.txt");
cl_git_pass(git_index_read_index(index, new_index));
cl_git_pass(git_index_conflict_iterator_new(&conflict_iterator, index));
cl_git_pass(git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
cl_assert_equal_s("both_sides-1.txt", ancestor->path);
cl_assert_equal_s("both_sides-1.txt", ours->path);
cl_assert_equal_s("both_sides-1.txt", theirs->path);
cl_git_pass(git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
cl_assert_equal_s("both_sides-2.txt", ancestor->path);
cl_assert_equal_s("both_sides-2.txt", ours->path);
cl_assert_equal_s("both_sides-2.txt", theirs->path);
cl_git_pass(git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
cl_assert_equal_s("new_side-1.txt", ancestor->path);
cl_assert_equal_s("new_side-1.txt", ours->path);
cl_assert_equal_s("new_side-1.txt", theirs->path);
cl_git_pass(git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
cl_assert_equal_s("new_side-2.txt", ancestor->path);
cl_assert_equal_s("new_side-2.txt", ours->path);
cl_assert_equal_s("new_side-2.txt", theirs->path);
cl_git_fail_with(GIT_ITEROVER, git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
git_index_conflict_iterator_free(conflict_iterator);
git_tree_free(tree);
git_index_free(new_index);
git_index_free(index);
}
