## In-memory modifiable filesystem tree

In-memory modifiable filesystem tree — Modifiable filesystem tree

## Functions

OstreeMutableTree * | ostree_mutable_tree_new ()
void | ostree_mutable_tree_set_metadata_checksum ()
const char * | ostree_mutable_tree_get_metadata_checksum ()
void | ostree_mutable_tree_set_contents_checksum ()
const char * | ostree_mutable_tree_get_contents_checksum ()
gboolean | ostree_mutable_tree_replace_file ()
gboolean | ostree_mutable_tree_ensure_dir ()
gboolean | ostree_mutable_tree_lookup ()
gboolean | ostree_mutable_tree_ensure_parent_dirs ()
gboolean | ostree_mutable_tree_walk ()
GHashTable * | ostree_mutable_tree_get_subdirs ()
GHashTable * | ostree_mutable_tree_get_files ()

## Types and Values

typedef | OstreeMutableTree

## Description

In order to commit content into an OstreeRepo, it must first be imported into an OstreeMutableTree. There are several high level APIs to create an initiable OstreeMutableTree from a physical filesystem directory, but they may also be computed programmatically.

## Functions

### ostree_mutable_tree_new ()

    OstreeMutableTree *
    ostree_mutable_tree_new (void);

#### Returns

A new tree.

[transfer full]

### ostree_mutable_tree_set_metadata_checksum ()

    void
    ostree_mutable_tree_set_metadata_checksum
                                   (OstreeMutableTree *self,
                                    const char *checksum);

### ostree_mutable_tree_get_metadata_checksum ()

    const char *
    ostree_mutable_tree_get_metadata_checksum
                                   (OstreeMutableTree *self);

### ostree_mutable_tree_set_contents_checksum ()

    void
    ostree_mutable_tree_set_contents_checksum
                                   (OstreeMutableTree *self,
                                    const char *checksum);

### ostree_mutable_tree_get_contents_checksum ()

    const char *
    ostree_mutable_tree_get_contents_checksum
                                   (OstreeMutableTree *self);

### ostree_mutable_tree_replace_file ()

    gboolean
    ostree_mutable_tree_replace_file (OstreeMutableTree *self,
                                      const char *name,
                                      const char *checksum,
                                      GError **error);

### ostree_mutable_tree_ensure_dir ()

    gboolean
    ostree_mutable_tree_ensure_dir (OstreeMutableTree *self,
                                    const char *name,
                                    OstreeMutableTree **out_subdir,
                                    GError **error);

### ostree_mutable_tree_lookup ()

    gboolean
    ostree_mutable_tree_lookup (OstreeMutableTree *self,
                                const char *name,
                                char **out_file_checksum,
                                OstreeMutableTree **out_subdir,
                                GError **error);

### ostree_mutable_tree_ensure_parent_dirs ()

    gboolean
    ostree_mutable_tree_ensure_parent_dirs
                                   (OstreeMutableTree *self,
                                    GPtrArray *split_path,
                                    const char *metadata_checksum,
                                    OstreeMutableTree **out_parent,
                                    GError **error);

Create all parent trees necessary for the given `split_path` to exist.

#### Parameters

self | Tree |
split_path | File path components. | [element-type utf8]
metadata_checksum | SHA256 checksum for metadata |
out_parent | The parent tree. | [out][transfer full]
error | a GError |

### ostree_mutable_tree_walk ()

    gboolean
    ostree_mutable_tree_walk (OstreeMutableTree *self,
                              GPtrArray *split_path,
                              guint start,
                              OstreeMutableTree **out_subdir,
                              GError **error);

Traverse `start` number of elements starting from `split_path` ; the child will be returned in `out_subdir` .

#### Parameters

self | Tree |
split_path | Split pathname. | [element-type utf8]
start | Descend from this number of elements in `split_path` |
out_subdir | Target parent. | [out][transfer full]
error | Error |

### ostree_mutable_tree_get_subdirs ()

    GHashTable *
    ostree_mutable_tree_get_subdirs (OstreeMutableTree *self);

#### Returns

All children directories.

[transfer none][element-type utf8 OstreeMutableTree]

### ostree_mutable_tree_get_files ()

    GHashTable *
    ostree_mutable_tree_get_files (OstreeMutableTree *self);

#### Returns

All children files (the value is a checksum).

[transfer none][element-type utf8 utf8]

## Types and Values

### OstreeMutableTree

    typedef struct OstreeMutableTree OstreeMutableTree;

Private instance structure.