/**
* Determines whether or not the working directory has non-committed changes.
*/
static int sync_local_dirty(int *out,
git_repository *repo,
git_oid *commit_id)
{
int e = 0;
git_tree *tree = NULL;
git_diff *diff = NULL;
if (git_repository_is_bare(repo))
{
*out = 0;
goto exit;
}
git_oid tree_id;
git_check(sync_get_tree(&tree_id, repo, commit_id));
git_check(git_tree_lookup(&tree, repo, &tree_id));
git_diff_options diff_options = GIT_DIFF_OPTIONS_INIT;
diff_options.flags |= GIT_DIFF_INCLUDE_UNTRACKED;
git_check(git_diff_tree_to_workdir(&diff, repo, tree, &diff_options));
*out = git_diff_num_deltas(diff);
exit:
if (tree) git_tree_free(tree);
if (diff) git_diff_free(diff);
return e;
}
PyObject *
Tree_diff(Tree *self, PyObject *args, PyObject *kwds)
{
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff_list *diff;
git_tree* tree = NULL;
git_index* index;
git_repository *repo;
int err, empty_tree = 0;
char *keywords[] = {"obj", "flags", "empty_tree", NULL};
Diff *py_diff;
PyObject *py_obj = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Oii", keywords,
&py_obj, &opts.flags, &empty_tree))
return NULL;
repo = git_tree_owner(self->tree);
if (py_obj == NULL) {
if (empty_tree > 0)
err = git_diff_tree_to_tree(&diff, repo, self->tree, NULL, &opts);
else
err = git_diff_tree_to_workdir(&diff, repo, self->tree, &opts);
} else if (PyObject_TypeCheck(py_obj, &TreeType)) {
tree = ((Tree *)py_obj)->tree;
err = git_diff_tree_to_tree(&diff, repo, self->tree, tree, &opts);
} else if (PyObject_TypeCheck(py_obj, &IndexType)) {
index = ((Index *)py_obj)->index;
err = git_diff_tree_to_index(&diff, repo, self->tree, index, &opts);
} else {
PyErr_SetObject(PyExc_TypeError, py_obj);
return NULL;
}
if (err < 0)
return Error_set(err);
py_diff = PyObject_New(Diff, &DiffType);
if (py_diff) {
Py_INCREF(self->repo);
py_diff->repo = self->repo;
py_diff->list = diff;
}
return (PyObject*)py_diff;
}
PyObject *
Tree_diff(Tree *self, PyObject *args)
{
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff_list *diff;
int err;
Diff *py_diff;
PyObject *py_obj = NULL;
if (!PyArg_ParseTuple(args, "|Oi", &py_obj, &opts.flags))
return NULL;
if (py_obj == NULL) {
err = git_diff_tree_to_workdir(
&diff,
self->repo->repo,
self->tree,
&opts);
} else if (PyObject_TypeCheck(py_obj, &TreeType)) {
err = git_diff_tree_to_tree(
&diff,
self->repo->repo,
self->tree,
((Tree *)py_obj)->tree,
&opts);
} else if (PyObject_TypeCheck(py_obj, &IndexType)) {
err = git_diff_tree_to_index(
&diff,
self->repo->repo,
self->tree,
((Index *)py_obj)->index,
&opts);
} else {
PyErr_SetObject(PyExc_TypeError, py_obj);
return NULL;
}
if (err < 0)
return Error_set(err);
py_diff = PyObject_New(Diff, &DiffType);
if (py_diff) {
Py_INCREF(self->repo);
py_diff->repo = self->repo;
py_diff->list = diff;
}
return (PyObject*)py_diff;
}
static int build_untracked_tree(
git_tree **tree_out,
git_index *index,
git_commit *i_commit,
uint32_t flags)
{
git_tree *i_tree = NULL;
git_diff_list *diff = NULL;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
struct cb_data data = {0};
int error;
git_index_clear(index);
data.index = index;
if (flags & GIT_STASH_INCLUDE_UNTRACKED) {
opts.flags |= GIT_DIFF_INCLUDE_UNTRACKED |
GIT_DIFF_RECURSE_UNTRACKED_DIRS;
data.include_untracked = true;
}
if (flags & GIT_STASH_INCLUDE_IGNORED) {
opts.flags |= GIT_DIFF_INCLUDE_IGNORED;
data.include_ignored = true;
}
if ((error = git_commit_tree(&i_tree, i_commit)) < 0)
goto cleanup;
if ((error = git_diff_tree_to_workdir(
&diff, git_index_owner(index), i_tree, &opts)) < 0)
goto cleanup;
if ((error = git_diff_foreach(
diff, update_index_cb, NULL, NULL, &data)) < 0)
{
if (error == GIT_EUSER)
error = data.error;
goto cleanup;
}
error = build_tree_from_index(tree_out, index);
cleanup:
git_diff_list_free(diff);
git_tree_free(i_tree);
return error;
}
PyObject *
Tree_diff_to_workdir(Tree *self, PyObject *args)
{
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_diff *diff;
Repository *py_repo;
int err;
if (!PyArg_ParseTuple(args, "|IHH", &opts.flags, &opts.context_lines,
&opts.interhunk_lines))
return NULL;
py_repo = self->repo;
err = git_diff_tree_to_workdir(&diff, py_repo->repo, self->tree, &opts);
if (err < 0)
return Error_set(err);
return wrap_diff(diff, py_repo);
}
/*
* call-seq:
* tree.diff_workdir([options]) -> diff
*
* Returns a diff between a tree and the current workdir.
*
* The +tree+ object will be used as the "old file" side of the diff, while the
* content of the current workdir will be used for the "new file" side.
*
* See Rugged::Tree#diff for a list of options that can be passed.
*/
static VALUE rb_git_tree_diff_workdir(int argc, VALUE *argv, VALUE self)
{
git_tree *tree;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
git_repository *repo;
git_diff *diff;
VALUE owner, rb_options;
int error;
rb_scan_args(argc, argv, "00:", &rb_options);
rugged_parse_diff_options(&opts, rb_options);
Data_Get_Struct(self, git_tree, tree);
owner = rugged_owner(self);
Data_Get_Struct(owner, git_repository, repo);
error = git_diff_tree_to_workdir(&diff, repo, tree, &opts);
xfree(opts.pathspec.strings);
rugged_exception_check(error);
return rugged_diff_new(rb_cRuggedDiff, owner, diff);
}
void test_diff_drivers__patterns(void)
{
git_config *cfg;
const char *one_sha = "19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13";
git_tree *one;
git_diff_list *diff;
git_diff_patch *patch;
char *text;
const char *expected0 = "diff --git a/untimely.txt b/untimely.txt\nindex 9a69d96..57fd0cf 100644\n--- a/untimely.txt\n+++ b/untimely.txt\n@@ -22,3 +22,5 @@ Comes through the blood of the vanguards who\n dreamed--too soon--it had sounded.\r\n \r\n -- Rudyard Kipling\r\n+\r\n+Some new stuff\r\n";
const char *expected1 = "diff --git a/untimely.txt b/untimely.txt\nindex 9a69d96..57fd0cf 100644\nBinary files a/untimely.txt and b/untimely.txt differ\n";
const char *expected2 = "diff --git a/untimely.txt b/untimely.txt\nindex 9a69d96..57fd0cf 100644\n--- a/untimely.txt\n+++ b/untimely.txt\n@@ -22,3 +22,5 @@ Heaven delivers on earth the Hour that cannot be\n dreamed--too soon--it had sounded.\r\n \r\n -- Rudyard Kipling\r\n+\r\n+Some new stuff\r\n";
g_repo = cl_git_sandbox_init("renames");
one = resolve_commit_oid_to_tree(g_repo, one_sha);
/* no diff */
cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
cl_assert_equal_i(0, (int)git_diff_num_deltas(diff));
git_diff_list_free(diff);
/* default diff */
cl_git_append2file("renames/untimely.txt", "\r\nSome new stuff\r\n");
cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
cl_git_pass(git_diff_patch_to_str(&text, patch));
cl_assert_equal_s(expected0, text);
git__free(text);
git_diff_patch_free(patch);
git_diff_list_free(diff);
/* attribute diff set to false */
cl_git_rewritefile("renames/.gitattributes", "untimely.txt -diff\n");
cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
cl_git_pass(git_diff_patch_to_str(&text, patch));
cl_assert_equal_s(expected1, text);
git__free(text);
git_diff_patch_free(patch);
git_diff_list_free(diff);
/* attribute diff set to unconfigured value (should use default) */
cl_git_rewritefile("renames/.gitattributes", "untimely.txt diff=kipling0\n");
cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
cl_git_pass(git_diff_patch_to_str(&text, patch));
cl_assert_equal_s(expected0, text);
git__free(text);
git_diff_patch_free(patch);
git_diff_list_free(diff);
/* let's define that driver */
cl_git_pass(git_repository_config(&cfg, g_repo));
cl_git_pass(git_config_set_bool(cfg, "diff.kipling0.binary", 1));
git_config_free(cfg);
cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
cl_git_pass(git_diff_patch_to_str(&text, patch));
cl_assert_equal_s(expected1, text);
git__free(text);
git_diff_patch_free(patch);
git_diff_list_free(diff);
/* let's use a real driver with some regular expressions */
git_diff_driver_registry_free(g_repo->diff_drivers);
g_repo->diff_drivers = NULL;
cl_git_pass(git_repository_config(&cfg, g_repo));
cl_git_pass(git_config_set_bool(cfg, "diff.kipling0.binary", 0));
cl_git_pass(git_config_set_string(cfg, "diff.kipling0.xfuncname", "^H"));
git_config_free(cfg);
cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
cl_git_pass(git_diff_patch_to_str(&text, patch));
cl_assert_equal_s(expected2, text);
git__free(text);
git_diff_patch_free(patch);
git_diff_list_free(diff);
git_tree_free(one);
}
int lg2_diff(git_repository *repo, int argc, char *argv[])
{
git_tree *t1 = NULL, *t2 = NULL;
git_diff *diff;
struct opts o = {
GIT_DIFF_OPTIONS_INIT, GIT_DIFF_FIND_OPTIONS_INIT,
-1, 0, 0, GIT_DIFF_FORMAT_PATCH, NULL, NULL, "."
};
parse_opts(&o, argc, argv);
/**
* Possible argument patterns:
*
* * <sha1> <sha2>
* * <sha1> --cached
* * <sha1>
* * --cached
* * --nocache (don't use index data in diff at all)
* * nothing
*
* Currently ranged arguments like <sha1>..<sha2> and <sha1>...<sha2>
* are not supported in this example
*/
if (o.treeish1)
treeish_to_tree(&t1, repo, o.treeish1);
if (o.treeish2)
treeish_to_tree(&t2, repo, o.treeish2);
if (t1 && t2)
check_lg2(
git_diff_tree_to_tree(&diff, repo, t1, t2, &o.diffopts),
"diff trees", NULL);
else if (o.cache != CACHE_NORMAL) {
if (!t1)
treeish_to_tree(&t1, repo, "HEAD");
if (o.cache == CACHE_NONE)
check_lg2(
git_diff_tree_to_workdir(&diff, repo, t1, &o.diffopts),
"diff tree to working directory", NULL);
else
check_lg2(
git_diff_tree_to_index(&diff, repo, t1, NULL, &o.diffopts),
"diff tree to index", NULL);
}
else if (t1)
check_lg2(
git_diff_tree_to_workdir_with_index(&diff, repo, t1, &o.diffopts),
"diff tree to working directory", NULL);
else
check_lg2(
git_diff_index_to_workdir(&diff, repo, NULL, &o.diffopts),
"diff index to working directory", NULL);
/** Apply rename and copy detection if requested. */
if ((o.findopts.flags & GIT_DIFF_FIND_ALL) != 0)
check_lg2(
git_diff_find_similar(diff, &o.findopts),
"finding renames and copies", NULL);
/** Generate simple output using libgit2 display helper. */
if (!o.output)
o.output = OUTPUT_DIFF;
if (o.output != OUTPUT_DIFF)
diff_print_stats(diff, &o);
if ((o.output & OUTPUT_DIFF) != 0) {
if (o.color >= 0)
fputs(colors[0], stdout);
check_lg2(
git_diff_print(diff, o.format, color_printer, &o.color),
"displaying diff", NULL);
if (o.color >= 0)
fputs(colors[0], stdout);
}
/** Cleanup before exiting. */
git_diff_free(diff);
git_tree_free(t1);
git_tree_free(t2);
return 0;
}
