diff options
Diffstat (limited to 'butl/filesystem')
| -rw-r--r-- | butl/filesystem | 81 |
1 files changed, 78 insertions, 3 deletions
diff --git a/butl/filesystem b/butl/filesystem index 336233c..4e0395c 100644 --- a/butl/filesystem +++ b/butl/filesystem @@ -243,12 +243,87 @@ namespace butl LIBBUTL_EXPORT void cpfile (const path& from, const path& to, cpflags = cpflags::none); - // Copy a regular file to an existing directory. + // Copy a regular file into (inside) an existing directory. // inline void - cpfile (const path& from, const dir_path& to, cpflags fl = cpflags::none) + cpfile_into (const path& from, + const dir_path& into, + cpflags fl = cpflags::none) { - cpfile (from, to / from.leaf (), fl); + cpfile (from, into / from.leaf (), fl); + } + + // Rename a filesystem entry (file, symlink, or directory). Throw + // std::system_error on failure. + // + // If the source path refers to a directory, then the destination path must + // either not exist, or refer to an empty directory. If the source path + // refers to an entry that is not a directory, then the destination path must + // not exist or not refer to a directory. + // + // If the source path refers to a symlink, then the link is renamed. If the + // destination path refers to a symlink, then the link will be overwritten. + // + // If the source and destination paths are on different file systems (or + // different drives on Windows) and the underlying OS does not support move + // for the source entry, then fail unless the source paths refers to a file + // or a file symlink. In this case fall back to copying the source file + // (content, permissions, access and modification times) and removing the + // source entry afterwards. + // + // Note that the operation is atomic only on POSIX, only if source and + // destination paths are on the same file system, and only if the + // overwrite_content flag is specified. + // + LIBBUTL_EXPORT void + mventry (const path& from, + const path& to, + cpflags = cpflags::overwrite_permissions); + + // Move a filesystem entry into (inside) an existing directory. + // + inline void + mventry_into (const path& from, + const dir_path& into, + cpflags f = cpflags::overwrite_permissions) + { + mventry (from, into / from.leaf (), f); + } + + // Raname file or file symlink. + // + inline void + mvfile (const path& from, + const path& to, + cpflags f = cpflags::overwrite_permissions) + { + mventry (from, to, f); + } + + inline void + mvfile_into (const path& from, + const dir_path& into, + cpflags f = cpflags::overwrite_permissions) + { + mventry_into (from, into, f); + } + + // Raname directory or directory symlink. + // + inline void + mvdir (const dir_path& from, + const dir_path& to, + cpflags f = cpflags::overwrite_permissions) + { + mventry (from, to, f); + } + + inline void + mvdir_into (const path& from, + const dir_path& into, + cpflags f = cpflags::overwrite_permissions) + { + mventry_into (from, into, f); } // Return timestamp_nonexistent if the entry at the specified path |