static IdeVcsConfig *
ide_git_vcs_get_config (IdeVcs *vcs)
{
g_return_val_if_fail (IDE_IS_GIT_VCS (vcs), NULL);
return (IdeVcsConfig *)ide_git_vcs_config_new ();
}
static void
ide_git_vcs_reload_worker (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
IdeGitVcs *self = source_object;
g_autoptr(GgitRepository) repository1 = NULL;
g_autoptr(GgitRepository) repository2 = NULL;
GError *error = NULL;
g_assert (G_IS_TASK (task));
g_assert (IDE_IS_GIT_VCS (self));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
if (!(repository1 = ide_git_vcs_load (self, &error)) ||
!(repository2 = ide_git_vcs_load (self, &error)))
{
g_task_return_error (task, error);
return;
}
g_set_object (&self->repository, repository1);
g_set_object (&self->change_monitor_repository, repository2);
if (!ide_git_vcs_load_monitor (self, &error))
{
g_task_return_error (task, error);
return;
}
g_task_return_boolean (task, TRUE);
}
static gboolean
ide_git_vcs_load_monitor (IdeGitVcs *self,
GError **error)
{
gboolean ret = TRUE;
g_assert (IDE_IS_GIT_VCS (self));
if (self->monitor == NULL)
{
g_autoptr(GFile) location = NULL;
g_autoptr(GFileMonitor) monitor = NULL;
g_autoptr(GFile) heads_dir = NULL;
GFileMonitorFlags flags = G_FILE_MONITOR_WATCH_MOUNTS;
location = ggit_repository_get_location (self->repository);
heads_dir = g_file_get_child (location, "refs/heads");
monitor = g_file_monitor (heads_dir, flags, NULL, error);
ret = !!monitor;
if (monitor)
{
IDE_TRACE_MSG ("Git index monitor registered.");
g_signal_connect_object (monitor,
"changed",
G_CALLBACK (ide_git_vcs__monitor_changed_cb),
self,
G_CONNECT_SWAPPED);
self->monitor = g_object_ref (monitor);
}
}
return ret;
}
static GgitRepository *
ide_git_vcs_load (IdeGitVcs *self,
GError **error)
{
g_autoptr(GFile) location = NULL;
GgitRepository *repository = NULL;
IdeContext *context;
GFile *project_file;
g_assert (IDE_IS_GIT_VCS (self));
context = ide_object_get_context (IDE_OBJECT (self));
project_file = ide_context_get_project_file (context);
if (!(location = ggit_repository_discover (project_file, error)))
return NULL;
if (!(repository = ggit_repository_open (location, error)))
return NULL;
/* Only set once, on load. Not thread-safe otherwise. */
if (self->working_directory == NULL)
self->working_directory = ggit_repository_get_workdir (repository);
return repository;
}
static void
ide_git_vcs__monitor_changed_cb (IdeGitVcs *self,
GFile *file,
GFile *other_file,
GFileMonitorEvent event_type,
gpointer user_data)
{
g_autofree gchar *name = NULL;
g_autofree gchar *other_name = NULL;
IDE_ENTRY;
g_assert (IDE_IS_GIT_VCS (self));
g_assert (G_IS_FILE (file));
g_assert (!other_file || G_IS_FILE (other_file));
name = g_file_get_basename (file);
if (other_file != NULL)
other_name = g_file_get_basename (other_file);
if (dzl_str_equal0 (name, "index") ||
dzl_str_equal0 (other_name, "index"))
{
dzl_clear_source (&self->changed_timeout);
self->changed_timeout = g_timeout_add_seconds (DEFAULT_CHANGED_TIMEOUT_SECS,
ide_git_vcs__changed_timeout_cb,
self);
}
IDE_EXIT;
}
/**
* ide_git_vcs_get_repository:
*
* Retrieves the underlying #GgitRepository used by @vcs.
*
* Returns: (transfer none): A #GgitRepository.
*/
GgitRepository *
ide_git_vcs_get_repository (IdeGitVcs *self)
{
g_return_val_if_fail (IDE_IS_GIT_VCS (self), NULL);
return self->repository;
}
static gchar *
ide_git_vcs_get_branch_name (IdeVcs *vcs)
{
IdeGitVcs *self = (IdeGitVcs *)vcs;
GgitRef *ref;
gchar *ret = NULL;
g_assert (IDE_IS_GIT_VCS (self));
g_mutex_lock (&self->repository_mutex);
ref = ggit_repository_get_head (self->repository, NULL);
g_mutex_unlock (&self->repository_mutex);
if (ref != NULL)
{
ret = g_strdup (ggit_ref_get_shorthand (ref));
g_object_unref (ref);
}
else
{
/* initial commit, no branch name yet */
ret = g_strdup ("master");
}
return ret;
}
static void
ide_git_vcs_list_status_worker (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
ListStatus *state = task_data;
g_autoptr(GListStore) store = NULL;
g_autoptr(GFile) workdir = NULL;
g_autoptr(GgitRepository) repository = NULL;
g_autoptr(GgitStatusOptions) options = NULL;
g_autoptr(GString) pathspec = NULL;
g_autoptr(GError) error = NULL;
g_autofree gchar *relative = NULL;
gchar *strv[] = { NULL, NULL };
g_assert (G_IS_TASK (task));
g_assert (IDE_IS_GIT_VCS (source_object));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
g_assert (state != NULL);
g_assert (G_IS_FILE (state->repository_location));
if (!(repository = ggit_repository_open (state->repository_location, &error)))
{
g_task_return_error (task, g_steal_pointer (&error));
return;
}
if (!(workdir = ggit_repository_get_workdir (repository)))
{
g_task_return_new_error (task,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"Failed to locate working directory");
return;
}
g_set_object (&state->workdir, workdir);
if (state->directory_or_file != NULL)
relative = g_file_get_relative_path (workdir, state->directory_or_file);
strv[0] = relative;
options = ggit_status_options_new (GGIT_STATUS_OPTION_DEFAULT,
GGIT_STATUS_SHOW_INDEX_AND_WORKDIR,
(const gchar **)strv);
store = g_list_store_new (IDE_TYPE_VCS_FILE_INFO);
g_set_object (&state->store, store);
if (!ggit_repository_file_status_foreach (repository,
options,
ide_git_vcs_list_status_cb,
state,
&error))
g_task_return_error (task, g_steal_pointer (&error));
else
g_task_return_pointer (task, g_steal_pointer (&store), g_object_unref);
}
static GFile *
ide_git_vcs_get_working_directory (IdeVcs *vcs)
{
IdeGitVcs *self = (IdeGitVcs *)vcs;
g_return_val_if_fail (IDE_IS_GIT_VCS (self), NULL);
return self->working_directory;
}
static void
ide_git_vcs_real_reloaded (IdeGitVcs *self,
GgitRepository *repository)
{
g_assert (IDE_IS_GIT_VCS (self));
g_assert (GGIT_IS_REPOSITORY (repository));
g_object_notify (G_OBJECT (self), "branch-name");
}
static GListModel *
ide_git_vcs_list_status_finish (IdeVcs *vcs,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (IDE_IS_GIT_VCS (vcs), NULL);
g_return_val_if_fail (G_IS_TASK (result), NULL);
return g_task_propagate_pointer (G_TASK (result), error);
}
static gboolean
ide_git_vcs__changed_timeout_cb (gpointer user_data)
{
IdeGitVcs *self = user_data;
IDE_ENTRY;
g_assert (IDE_IS_GIT_VCS (self));
self->changed_timeout = 0;
ide_git_vcs_reload_async (self, NULL, NULL, NULL);
IDE_RETURN (G_SOURCE_REMOVE);
}
static void
handle_reload_from_changed_timeout (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
IdeGitVcs *self = (IdeGitVcs *)object;
g_autoptr(GError) error = NULL;
g_assert (IDE_IS_GIT_VCS (self));
g_assert (G_IS_ASYNC_RESULT (result));
/* Call finish() so that "changed" is emitted */
if (!ide_git_vcs_reload_finish (self, result, &error))
g_warning ("%s", error->message);
}
static GFile *
ide_git_vcs_get_working_directory (IdeVcs *vcs)
{
IdeGitVcs *self = (IdeGitVcs *)vcs;
g_return_val_if_fail (IDE_IS_GIT_VCS (self), NULL);
/* Note: This function is expected to be thread-safe for
* those holding a reference to @vcs. So
* @working_directory cannot be changed after creation
* and must be valid for the lifetime of @vcs.
*/
return self->working_directory;
}
static void
ide_git_vcs_init_async__reload_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
IdeGitVcs *self = (IdeGitVcs *)object;
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
g_assert (G_IS_TASK (task));
g_assert (IDE_IS_GIT_VCS (self));
if (!ide_git_vcs_reload_finish (self, result, &error))
g_task_return_error (task, g_steal_pointer (&error));
else
g_task_return_boolean (task, TRUE);
}
static IdeBufferChangeMonitor *
ide_git_vcs_get_buffer_change_monitor (IdeVcs *vcs,
IdeBuffer *buffer)
{
IdeGitVcs *self = (IdeGitVcs *)vcs;
IdeContext *context;
g_return_val_if_fail (IDE_IS_GIT_VCS (vcs), NULL);
context = ide_object_get_context (IDE_OBJECT (vcs));
return g_object_new (IDE_TYPE_GIT_BUFFER_CHANGE_MONITOR,
"buffer", buffer,
"context", context,
"repository", self->change_monitor_repository,
NULL);
}
static void
ide_git_vcs_init_async (GAsyncInitable *initable,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
IdeGitVcs *self = (IdeGitVcs *)initable;
g_autoptr(GTask) task = NULL;
g_return_if_fail (IDE_IS_GIT_VCS (self));
task = g_task_new (self, cancellable, callback, user_data);
ide_git_vcs_reload_async (self,
cancellable,
ide_git_vcs_init_async__reload_cb,
g_object_ref (task));
}
static gboolean
ide_git_vcs_reload_finish (IdeGitVcs *self,
GAsyncResult *result,
GError **error)
{
GTask *task = (GTask *)result;
gboolean ret;
IDE_ENTRY;
g_return_val_if_fail (IDE_IS_GIT_VCS (self), FALSE);
self->reloading = FALSE;
g_signal_emit (self, gSignals [RELOADED], 0, self->change_monitor_repository);
ret = g_task_propagate_boolean (task, error);
IDE_RETURN (ret);
}
static void
ide_git_vcs_reload_async (IdeGitVcs *self,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(GTask) task = NULL;
IDE_ENTRY;
g_assert (IDE_IS_GIT_VCS (self));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
task = g_task_new (self, cancellable, callback, user_data);
g_task_run_in_thread (task, ide_git_vcs_reload_worker);
IDE_EXIT;
}
static void
ide_git_buffer_change_monitor__vcs_reloaded_cb (IdeGitBufferChangeMonitor *self,
GgitRepository *new_repository,
IdeGitVcs *vcs)
{
IDE_ENTRY;
g_assert (IDE_IS_GIT_BUFFER_CHANGE_MONITOR (self));
g_assert (IDE_IS_GIT_VCS (vcs));
g_set_object (&self->repository, new_repository);
/* force reload of the git object on next calculation */
g_clear_object (&self->cached_blob);
ide_git_buffer_change_monitor_recalculate (self);
IDE_EXIT;
}
static void
ide_git_vcs_list_status_async (IdeVcs *vcs,
GFile *directory_or_file,
gboolean include_descendants,
gint io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
IdeGitVcs *self = (IdeGitVcs *)vcs;
g_autoptr(GTask) task = NULL;
ListStatus *state;
IDE_ENTRY;
g_return_if_fail (IDE_IS_GIT_VCS (self));
g_return_if_fail (!directory_or_file || G_IS_FILE (directory_or_file));
g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
g_mutex_lock (&self->repository_mutex);
state = g_slice_new0 (ListStatus);
state->directory_or_file = g_object_ref (directory_or_file);
state->repository_location = ggit_repository_get_location (self->repository);
state->recursive = !!include_descendants;
g_mutex_unlock (&self->repository_mutex);
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_source_tag (task, ide_git_vcs_list_status_async);
g_task_set_priority (task, io_priority);
g_task_set_return_on_cancel (task, TRUE);
g_task_set_task_data (task, state, list_status_free);
if (state->repository_location == NULL)
g_task_return_new_error (task,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"No repository loaded");
else
g_task_run_in_thread (task, ide_git_vcs_list_status_worker);
IDE_EXIT;
}
static void
ide_git_vcs__monitor_changed_cb (IdeGitVcs *self,
GFile *file,
GFile *other_file,
GFileMonitorEvent event_type,
gpointer user_data)
{
IDE_ENTRY;
g_assert (IDE_IS_GIT_VCS (self));
if (self->changed_timeout != 0)
g_source_remove (self->changed_timeout);
self->changed_timeout = g_timeout_add_seconds (DEFAULT_CHANGED_TIMEOUT_SECS,
ide_git_vcs__changed_timeout_cb,
self);
IDE_EXIT;
}
static gboolean
ide_git_vcs_load_monitor_locked (IdeGitVcs *self,
GError **error)
{
gboolean ret = TRUE;
g_assert (IDE_IS_GIT_VCS (self));
if (self->monitor == NULL)
{
g_autoptr(GFile) location = NULL;
g_autoptr(GFileMonitor) monitor = NULL;
GError *local_error = NULL;
location = ggit_repository_get_location (self->repository);
monitor = g_file_monitor_directory (location,
G_FILE_MONITOR_NONE,
NULL,
&local_error);
if (monitor == NULL)
{
g_warning ("Failed to establish git monitor: %s", local_error->message);
g_propagate_error (error, local_error);
ret = FALSE;
}
else
{
IDE_TRACE_MSG ("Git index monitor registered.");
g_signal_connect_object (monitor,
"changed",
G_CALLBACK (ide_git_vcs__monitor_changed_cb),
self,
G_CONNECT_SWAPPED);
self->monitor = g_steal_pointer (&monitor);
}
}
return ret;
}
static gboolean
ide_git_vcs_is_ignored (IdeVcs *vcs,
GFile *file,
GError **error)
{
g_autofree gchar *name = NULL;
IdeGitVcs *self = (IdeGitVcs *)vcs;
gboolean ret = FALSE;
g_assert (IDE_IS_GIT_VCS (self));
g_assert (G_IS_FILE (file));
name = g_file_get_relative_path (self->working_directory, file);
if (g_strcmp0 (name, ".git") == 0)
return TRUE;
if (name != NULL)
return ggit_repository_path_is_ignored (self->repository, name, error);
return ret;
}
static GgitRepository *
ide_git_vcs_load (IdeGitVcs *self,
GError **error)
{
g_autofree gchar *uri = NULL;
g_autoptr(GFile) location = NULL;
GgitRepository *repository = NULL;
IdeContext *context;
GFile *project_file;
g_assert (IDE_IS_GIT_VCS (self));
g_assert (error != NULL);
context = ide_object_get_context (IDE_OBJECT (self));
project_file = ide_context_get_project_file (context);
if (!(location = ide_git_vcs_discover (self, project_file, error)))
{
if (g_error_matches (*error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED))
return NULL;
g_clear_error (error);
/* Fallback to libgit2(-glib) discovery */
if (!(location = ggit_repository_discover (project_file, error)))
return NULL;
}
uri = g_file_get_uri (location);
g_debug ("Discovered .git location at “%s”", uri);
if (!(repository = ggit_repository_open (location, error)))
return NULL;
/* Note: Only set this once on load, otherwise not thread-safe. */
if (self->working_directory == NULL)
self->working_directory = ggit_repository_get_workdir (repository);
return repository;
}
static void
ide_git_vcs_reload_worker (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
IdeGitVcs *self = source_object;
g_autoptr(GgitRepository) repository1 = NULL;
g_autoptr(GgitRepository) repository2 = NULL;
g_autoptr(GError) error = NULL;
IDE_ENTRY;
g_assert (G_IS_TASK (task));
g_assert (IDE_IS_GIT_VCS (self));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
if (!(repository1 = ide_git_vcs_load (self, &error)) ||
!(repository2 = ide_git_vcs_load (self, &error)))
{
g_debug ("%s", error->message);
g_task_return_error (task, g_steal_pointer (&error));
IDE_EXIT;
}
g_mutex_lock (&self->repository_mutex);
g_set_object (&self->repository, repository1);
g_set_object (&self->change_monitor_repository, repository2);
if (!ide_git_vcs_load_monitor_locked (self, &error))
g_task_return_error (task, g_steal_pointer (&error));
else
g_task_return_boolean (task, TRUE);
g_mutex_unlock (&self->repository_mutex);
IDE_EXIT;
}
static gboolean
ide_git_vcs_is_ignored (IdeVcs *vcs,
GFile *file,
GError **error)
{
g_autofree gchar *name = NULL;
IdeGitVcs *self = (IdeGitVcs *)vcs;
gboolean ret = FALSE;
g_assert (IDE_IS_GIT_VCS (self));
g_assert (G_IS_FILE (file));
/* Note: this function is required to be thread-safe so that workers
* can check if files are ignored from a thread without
* round-tripping to the main thread.
*/
/* self->working_directory is not changed after creation, so safe
* to access it from a thread.
*/
name = g_file_get_relative_path (self->working_directory, file);
if (g_strcmp0 (name, ".git") == 0)
return TRUE;
/*
* If we have a valid name to work with, we want to query the
* repository. But this could be called from a thread, so ensure
* we are the only thread accessing self->repository right now.
*/
if (name != NULL)
{
g_mutex_lock (&self->repository_mutex);
ret = ggit_repository_path_is_ignored (self->repository, name, error);
g_mutex_unlock (&self->repository_mutex);
}
return ret;
}
/*
* This is like ggit_repository_discover() but seems to work inside
* of the flatpak runtime. Something is preventing git_repository_discover()
* in libgit2 from working correctly, possibly the mount setup. Either
* way, until it's fixed we can use this.
*/
static GFile *
ide_git_vcs_discover (IdeGitVcs *self,
GFile *file,
GError **error)
{
g_autofree gchar *name = NULL;
g_autoptr(GFile) parent = NULL;
g_autoptr(GFile) git = NULL;
g_autoptr(GFile) child = NULL;
GFile *ret;
g_assert (IDE_IS_GIT_VCS (self));
g_assert (G_IS_FILE (file));
/*
* TODO: Switch to using the new discover_full().
*/
if (!g_file_is_native (file))
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
"Only native file systems are supported for git.");
return NULL;
}
name = g_file_get_basename (file);
if (g_strcmp0 (name, ".git") == 0)
return g_object_ref (file);
/*
* Work around for in-tree tests which we do not
* want to use the git backend.
*
* TODO: Allow options during context creation.
*/
child = g_file_get_child (file, ".you-dont-git-me");
if (g_file_query_exists (child, NULL))
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
"The project has blocked use of the git plugin");
return NULL;
}
g_clear_object (&child);
child = g_file_get_child (file, ".git");
if (g_file_query_exists (child, NULL))
return g_object_ref (child);
parent = g_file_get_parent (file);
if (parent == NULL || g_file_equal (parent, file))
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_NOT_FOUND,
"Failed to discover git directory");
return NULL;
}
ret = ide_git_vcs_discover (self, parent, error);
return ret;
}
