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/*
* Copyright 2010-2017 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 <string.h>
#include <structmember.h>
#include "object.h"
#include "error.h"
#include "types.h"
#include "utils.h"
#include "oid.h"
#include "signature.h"
#include "reference.h"
extern PyObject *GitError;
extern PyTypeObject RefLogEntryType;
extern PyTypeObject SignatureType;
void RefLogIter_dealloc(RefLogIter *self)
{
git_reflog_free(self->reflog);
PyObject_Del(self);
}
PyObject *
RefLogIter_iternext(RefLogIter *self)
{
const git_reflog_entry *entry;
RefLogEntry *py_entry;
int err;
if (self->i < self->size) {
entry = git_reflog_entry_byindex(self->reflog, self->i);
py_entry = PyObject_New(RefLogEntry, &RefLogEntryType);
py_entry->oid_old = git_oid_to_python(git_reflog_entry_id_old(entry));
py_entry->oid_new = git_oid_to_python(git_reflog_entry_id_new(entry));
py_entry->message = strdup(git_reflog_entry_message(entry));
err = git_signature_dup(&py_entry->signature,
git_reflog_entry_committer(entry));
if (err < 0)
return Error_set(err);
++(self->i);
return (PyObject*) py_entry;
}
PyErr_SetNone(PyExc_StopIteration);
return NULL;
}
PyDoc_STRVAR(RefLogIterType__doc__, "Internal reflog iterator object.");
PyTypeObject RefLogIterType = {
PyVarObject_HEAD_INIT(NULL, 0)
"_pygit2.RefLogIter", /* tp_name */
sizeof(RefLogIter), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)RefLogIter_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* 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 */
RefLogIterType__doc__, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)RefLogIter_iternext, /* tp_iternext */
};
void
Reference_dealloc(Reference *self)
{
Py_CLEAR(self->repo);
git_reference_free(self->reference);
PyObject_Del(self);
}
PyDoc_STRVAR(Reference_delete__doc__,
"delete()\n"
"\n"
"Delete this reference. It will no longer be valid!");
PyObject *
Reference_delete(Reference *self, PyObject *args)
{
int err;
CHECK_REFERENCE(self);
/* Delete the reference */
err = git_reference_delete(self->reference);
if (err < 0)
return Error_set(err);
git_reference_free(self->reference);
self->reference = NULL; /* Invalidate the pointer */
Py_RETURN_NONE;
}
PyDoc_STRVAR(Reference_rename__doc__,
"rename(new_name)\n"
"\n"
"Rename the reference.");
PyObject *
Reference_rename(Reference *self, PyObject *py_name)
{
char *c_name;
int err;
git_reference *new_reference;
CHECK_REFERENCE(self);
/* Get the C name */
c_name = py_path_to_c_str(py_name);
if (c_name == NULL)
return NULL;
/* Rename */
err = git_reference_rename(&new_reference, self->reference, c_name, 0, NULL);
git_reference_free(self->reference);
free(c_name);
if (err < 0)
return Error_set(err);
self->reference = new_reference;
Py_RETURN_NONE;
}
PyDoc_STRVAR(Reference_resolve__doc__,
"resolve() -> Reference\n"
"\n"
"Resolve a symbolic reference and return a direct reference.");
PyObject *
Reference_resolve(Reference *self, PyObject *args)
{
git_reference *c_reference;
int err;
CHECK_REFERENCE(self);
/* Direct: return myself */
if (git_reference_type(self->reference) == GIT_REF_OID) {
Py_INCREF(self);
return (PyObject *)self;
}
/* Symbolic: resolve */
err = git_reference_resolve(&c_reference, self->reference);
if (err < 0)
return Error_set(err);
return wrap_reference(c_reference, self->repo);
}
PyDoc_STRVAR(Reference_target__doc__,
"The reference target: If direct the value will be an Oid object, if it\n"
"is symbolic it will be an string with the full name of the target\n"
"reference.\n");
PyObject *
Reference_target__get__(Reference *self)
{
const char * c_name;
CHECK_REFERENCE(self);
/* Case 1: Direct */
if (GIT_REF_OID == git_reference_type(self->reference))
return git_oid_to_python(git_reference_target(self->reference));
/* Case 2: Symbolic */
c_name = git_reference_symbolic_target(self->reference);
if (c_name == NULL) {
PyErr_SetString(PyExc_ValueError, "no target available");
return NULL;
}
return to_path(c_name);
}
PyDoc_STRVAR(Reference_set_target__doc__,
"set_target(target, [message])\n"
"\n"
"Set the target of this reference.\n"
"\n"
"Update the reference using the given signature and message.\n"
"These will be used to fill the reflog entry which will be created\n"
"as a result of this update\n"
"\n"
"Arguments:\n"
"\n"
"target\n"
" The new target for this reference\n"
"message\n"
" Message to use for the reflog.\n");
PyObject *
Reference_set_target(Reference *self, PyObject *args, PyObject *kwds)
{
git_oid oid;
char *c_name;
int err;
git_reference *new_ref;
PyObject *py_target = NULL;
const char *message = NULL;
char *keywords[] = {"target", "message", NULL};
CHECK_REFERENCE(self);
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|s", keywords,
&py_target, &message))
return NULL;
/* Case 1: Direct */
if (GIT_REF_OID == git_reference_type(self->reference)) {
err = py_oid_to_git_oid_expand(self->repo->repo, py_target, &oid);
if (err < 0)
goto error;
err = git_reference_set_target(&new_ref, self->reference, &oid, message);
if (err < 0)
goto error;
git_reference_free(self->reference);
self->reference = new_ref;
Py_RETURN_NONE;
}
/* Case 2: Symbolic */
c_name = py_path_to_c_str(py_target);
if (c_name == NULL)
return NULL;
err = git_reference_symbolic_set_target(&new_ref, self->reference, c_name, message);
free(c_name);
if (err < 0)
goto error;
git_reference_free(self->reference);
self->reference = new_ref;
Py_RETURN_NONE;
error:
Error_set(err);
return NULL;
}
PyDoc_STRVAR(Reference_name__doc__, "The full name of the reference.");
PyObject *
Reference_name__get__(Reference *self)
{
CHECK_REFERENCE(self);
return to_path(git_reference_name(self->reference));
}
PyDoc_STRVAR(Reference_shorthand__doc__,
"The shorthand \"human-readable\" name of the reference.");
PyObject *
Reference_shorthand__get__(Reference *self)
{
CHECK_REFERENCE(self);
return to_path(git_reference_shorthand(self->reference));
}
PyDoc_STRVAR(Reference_type__doc__,
"Type, either GIT_REF_OID or GIT_REF_SYMBOLIC.");
PyObject *
Reference_type__get__(Reference *self)
{
git_ref_t c_type;
CHECK_REFERENCE(self);
c_type = git_reference_type(self->reference);
return PyInt_FromLong(c_type);
}
PyDoc_STRVAR(Reference_log__doc__,
"log() -> RefLogIter\n"
"\n"
"Retrieves the current reference log.");
PyObject *
Reference_log(Reference *self)
{
int err;
RefLogIter *iter;
git_repository *repo;
CHECK_REFERENCE(self);
repo = git_reference_owner(self->reference);
iter = PyObject_New(RefLogIter, &RefLogIterType);
if (iter != NULL) {
err = git_reflog_read(&iter->reflog, repo, git_reference_name(self->reference));
if (err < 0)
return Error_set(err);
iter->size = git_reflog_entrycount(iter->reflog);
iter->i = 0;
}
return (PyObject*)iter;
}
PyDoc_STRVAR(Reference_get_object__doc__,
"get_object() -> object\n"
"\n"
"Retrieves the object the current reference is pointing to.\n"
"\n"
"This method is deprecated, please use Reference.peel() instead.");
PyObject *
Reference_get_object(Reference *self)
{
return PyObject_CallMethod((PyObject *) self, "peel", NULL);
}
PyDoc_STRVAR(Reference_peel__doc__,
"peel(type=None) -> object\n"
"\n"
"Retrieve an object of the given type by recursive peeling.\n"
"\n"
"If no type is provided, the first non-tag object will be returned.");
PyObject *
Reference_peel(Reference *self, PyObject *args)
{
int err;
git_otype otype;
git_object *obj;
PyObject *py_type = Py_None;
CHECK_REFERENCE(self);
if (!PyArg_ParseTuple(args, "|O", &py_type))
return NULL;
otype = py_object_to_otype(py_type);
if (otype == GIT_OBJ_BAD)
return NULL;
err = git_reference_peel(&obj, self->reference, otype);
if (err < 0)
return Error_set(err);
return wrap_object(obj, self->repo);
}
PyDoc_STRVAR(RefLogEntry_committer__doc__, "Committer.");
PyObject *
RefLogEntry_committer__get__(RefLogEntry *self)
{
return build_signature((Object*) self, self->signature, "utf-8");
}
static int
RefLogEntry_init(RefLogEntry *self, PyObject *args, PyObject *kwds)
{
self->oid_old = NULL;
self->oid_new = NULL;
self->message = NULL;
self->signature = NULL;
return 0;
}
static void
RefLogEntry_dealloc(RefLogEntry *self)
{
Py_CLEAR(self->oid_old);
Py_CLEAR(self->oid_new);
free(self->message);
git_signature_free(self->signature);
PyObject_Del(self);
}
PyMemberDef RefLogEntry_members[] = {
MEMBER(RefLogEntry, oid_new, T_OBJECT, "New oid."),
MEMBER(RefLogEntry, oid_old, T_OBJECT, "Old oid."),
MEMBER(RefLogEntry, message, T_STRING, "Message."),
{NULL}
};
PyGetSetDef RefLogEntry_getseters[] = {
GETTER(RefLogEntry, committer),
{NULL}
};
PyDoc_STRVAR(RefLogEntry__doc__, "Reference log object.");
PyTypeObject RefLogEntryType = {
PyVarObject_HEAD_INIT(NULL, 0)
"_pygit2.RefLogEntry", /* tp_name */
sizeof(RefLogEntry), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)RefLogEntry_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* 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 */
RefLogEntry__doc__, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
RefLogEntry_members, /* tp_members */
RefLogEntry_getseters, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)RefLogEntry_init, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
};
PyMethodDef Reference_methods[] = {
METHOD(Reference, delete, METH_NOARGS),
METHOD(Reference, rename, METH_O),
METHOD(Reference, resolve, METH_NOARGS),
METHOD(Reference, log, METH_NOARGS),
METHOD(Reference, get_object, METH_NOARGS),
METHOD(Reference, set_target, METH_VARARGS | METH_KEYWORDS),
METHOD(Reference, peel, METH_VARARGS),
{NULL}
};
PyGetSetDef Reference_getseters[] = {
GETTER(Reference, name),
GETTER(Reference, shorthand),
GETTER(Reference, target),
GETTER(Reference, type),
{NULL}
};
PyDoc_STRVAR(Reference__doc__, "Reference.");
PyTypeObject ReferenceType = {
PyVarObject_HEAD_INIT(NULL, 0)
"_pygit2.Reference", /* tp_name */
sizeof(Reference), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)Reference_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* 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 */
Reference__doc__, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
Reference_methods, /* tp_methods */
0, /* tp_members */
Reference_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 */
};
PyObject *
wrap_reference(git_reference * c_reference, Repository *repo)
{
Reference *py_reference=NULL;
py_reference = PyObject_New(Reference, &ReferenceType);
if (py_reference) {
py_reference->reference = c_reference;
if (repo) {
py_reference->repo = repo;
Py_INCREF(repo);
}
}
return (PyObject *)py_reference;
}