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commit.c
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/*
* Copyright 2010-2025 The pygit2 contributors
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* In addition to the permissions in the GNU General Public License,
* the authors give you unlimited permission to link the compiled
* version of this file into combinations with other programs,
* and to distribute those combinations without any restriction
* coming from the use of this file. (The General Public License
* restrictions do apply in other respects; for example, they cover
* modification of the file, and distribution when not linked into
* a combined executable.)
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include "error.h"
#include "utils.h"
#include "signature.h"
#include "object.h"
#include "oid.h"
extern PyTypeObject TreeType;
extern PyObject *GitError;
PyDoc_STRVAR(Commit_message_encoding__doc__, "Message encoding.");
PyObject *
Commit_message_encoding__get__(Commit *self)
{
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
const char *encoding = git_commit_message_encoding(self->commit);
if (encoding == NULL)
Py_RETURN_NONE;
return to_encoding(encoding);
}
PyDoc_STRVAR(Commit_message__doc__, "The commit message, a text string.");
PyObject *
Commit_message__get__(Commit *self)
{
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
const char *message = git_commit_message(self->commit);
const char *encoding = git_commit_message_encoding(self->commit);
return to_unicode(message, encoding, NULL);
}
PyDoc_STRVAR(Commit_gpg_signature__doc__, "A tuple with the GPG signature and the signed payload.");
PyObject *
Commit_gpg_signature__get__(Commit *self)
{
git_buf gpg_signature = { NULL }, signed_data = { NULL };
PyObject *py_gpg_signature, *py_signed_data;
const git_oid *oid = Object__id((Object*)self);
int err = git_commit_extract_signature(
&gpg_signature, &signed_data, self->repo->repo, (git_oid*) oid, NULL
);
if (err != GIT_OK){
git_buf_dispose(&gpg_signature);
git_buf_dispose(&signed_data);
if (err == GIT_ENOTFOUND){
return Py_BuildValue("OO", Py_None, Py_None);
}
return Error_set(err);
}
py_gpg_signature = PyBytes_FromString(gpg_signature.ptr);
py_signed_data = PyBytes_FromString(signed_data.ptr);
git_buf_dispose(&gpg_signature);
git_buf_dispose(&signed_data);
return Py_BuildValue("NN", py_gpg_signature, py_signed_data);
}
PyDoc_STRVAR(Commit_message_trailers__doc__,
"Returns commit message trailers (e.g., Bug: 1234) as a dictionary."
);
PyObject *
Commit_message_trailers__get__(Commit *self)
{
git_message_trailer_array gmt_arr;
int i, trailer_count, err;
PyObject *dict;
PyObject *py_val;
const char *message = git_commit_message(self->commit);
const char *encoding = git_commit_message_encoding(self->commit);
err = git_message_trailers(&gmt_arr, message);
if (err < 0)
return Error_set(err);
dict = PyDict_New();
if (dict == NULL)
goto error;
trailer_count = gmt_arr.count;
for (i=0; i < trailer_count; i++) {
py_val = to_unicode(gmt_arr.trailers[i].value, encoding, NULL);
err = PyDict_SetItemString(dict, gmt_arr.trailers[i].key, py_val);
Py_DECREF(py_val);
if (err < 0)
goto error;
}
git_message_trailer_array_free(&gmt_arr);
return dict;
error:
git_message_trailer_array_free(&gmt_arr);
Py_CLEAR(dict);
return NULL;
}
PyDoc_STRVAR(Commit_raw_message__doc__, "Message (bytes).");
PyObject *
Commit_raw_message__get__(Commit *self)
{
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
return PyBytes_FromString(git_commit_message(self->commit));
}
PyDoc_STRVAR(Commit_commit_time__doc__, "Commit time.");
PyObject *
Commit_commit_time__get__(Commit *self)
{
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
return PyLong_FromLongLong(git_commit_time(self->commit));
}
PyDoc_STRVAR(Commit_commit_time_offset__doc__, "Commit time offset.");
PyObject *
Commit_commit_time_offset__get__(Commit *self)
{
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
return PyLong_FromLong(git_commit_time_offset(self->commit));
}
PyDoc_STRVAR(Commit_committer__doc__, "The committer of the commit.");
PyObject *
Commit_committer__get__(Commit *self)
{
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
const git_signature *signature = git_commit_committer(self->commit);
const char *encoding = git_commit_message_encoding(self->commit);
return build_signature((Object*)self, signature, encoding);
}
PyDoc_STRVAR(Commit_author__doc__, "The author of the commit.");
PyObject *
Commit_author__get__(Commit *self)
{
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
const git_signature *signature = git_commit_author(self->commit);
const char *encoding = git_commit_message_encoding(self->commit);
return build_signature((Object*)self, signature, encoding);
}
PyDoc_STRVAR(Commit_tree__doc__, "The tree object attached to the commit.");
PyObject *
Commit_tree__get__(Commit *self)
{
git_tree *tree;
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
int err = git_commit_tree(&tree, self->commit);
if (err == GIT_ENOTFOUND) {
char tree_id[GIT_OID_HEXSZ + 1] = { 0 };
git_oid_fmt(tree_id, git_commit_tree_id(self->commit));
return PyErr_Format(GitError, "Unable to read tree %s", tree_id);
}
if (err < 0)
return Error_set(err);
return wrap_object((git_object*)tree, self->repo, NULL);
}
PyDoc_STRVAR(Commit_tree_id__doc__, "The id of the tree attached to the commit.");
PyObject *
Commit_tree_id__get__(Commit *self)
{
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
return git_oid_to_python(git_commit_tree_id(self->commit));
}
PyDoc_STRVAR(Commit_parents__doc__, "The list of parent commits.");
PyObject *
Commit_parents__get__(Commit *self)
{
Repository *py_repo;
unsigned int i, parent_count;
const git_oid *parent_oid;
git_commit *parent;
int err;
PyObject *py_parent;
PyObject *list;
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
parent_count = git_commit_parentcount(self->commit);
list = PyList_New(parent_count);
if (!list)
return NULL;
py_repo = self->repo;
for (i=0; i < parent_count; i++) {
parent_oid = git_commit_parent_id(self->commit, i);
if (parent_oid == NULL) {
Py_DECREF(list);
Error_set(GIT_ENOTFOUND);
return NULL;
}
err = git_commit_lookup(&parent, py_repo->repo, parent_oid);
if (err < 0) {
Py_DECREF(list);
return Error_set_oid(err, parent_oid, GIT_OID_HEXSZ);
}
py_parent = wrap_object((git_object*)parent, py_repo, NULL);
if (py_parent == NULL) {
Py_DECREF(list);
return NULL;
}
PyList_SET_ITEM(list, i, py_parent);
}
return list;
}
PyDoc_STRVAR(Commit_parent_ids__doc__, "The list of parent commits' ids.");
PyObject *
Commit_parent_ids__get__(Commit *self)
{
unsigned int i, parent_count;
const git_oid *id;
PyObject *list;
if (Object__load((Object*)self) == NULL) { return NULL; } // Lazy load
parent_count = git_commit_parentcount(self->commit);
list = PyList_New(parent_count);
if (!list)
return NULL;
for (i=0; i < parent_count; i++) {
id = git_commit_parent_id(self->commit, i);
PyList_SET_ITEM(list, i, git_oid_to_python(id));
}
return list;
}
PyGetSetDef Commit_getseters[] = {
GETTER(Commit, message_encoding),
GETTER(Commit, message),
GETTER(Commit, raw_message),
GETTER(Commit, commit_time),
GETTER(Commit, commit_time_offset),
GETTER(Commit, committer),
GETTER(Commit, author),
GETTER(Commit, gpg_signature),
GETTER(Commit, tree),
GETTER(Commit, tree_id),
GETTER(Commit, parents),
GETTER(Commit, parent_ids),
GETTER(Commit, message_trailers),
{NULL}
};
PyDoc_STRVAR(Commit__doc__, "Commit objects.");
PyTypeObject CommitType = {
PyVarObject_HEAD_INIT(NULL, 0)
"_pygit2.Commit", /* tp_name */
sizeof(Commit), /* tp_basicsize */
0, /* tp_itemsize */
0, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
(reprfunc)Object_repr, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
Commit__doc__, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
0, /* tp_members */
Commit_getseters, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
};