pp_leveled_feedback ~sep ~op_howto ~show_spawn_ui ~show_success ~level ppf formats memo feedback on ppf followed by sep iff something is printed (defaults to B0_std.Fmt.flush_nl).

• B0_std.Log.Quiet formats nothing
• B0_std.Log.Debug report all operations with B000_conv.Op.pp_line.

• show_ui is the level at which any completed operation gets logged with B000_conv.Op.ui.
• show_op is the level at which any completed operation gets logged with B000_conv.Op.pp_line_and_ui

The formatter op_howto should format a way to got more information about an operation, default to B0_std.Fmt.nop.

b0_dir_env is "B0_DIR".

b0_dir_name is "_b0" the default b0 directory name.

b0_dir ~doc_none ~docs ~doc ~env is a cli interface for specifying a b0 directory.

• opts are the cli options to specify it, defaults to ["b0-dir"].
• docs is where the option is documented, defaults to Cmdliner.Manpage.s_options
• doc is a doc string.
• doc_none describes how the value is determined if the term is evaluates to None.
• env is a variable that can be used to override the default value, defaults to b0_dir_env.

get_b0_dir ~cwd ~root ~b0_dir determines a b0 directory. If b0_dir is Some d then this is Fpath.(cwd // d). If None then this is Fpath.(root / b0_dir_name).

find_dir_with_b0_dir ~start finds the first directory starting with start that has a b0_dir_name directory. None is returned if none could found or if start is relative.

b0_dir_env is "B0_CACHE_DIR".

cache_dir_name is ".cache" the default cache directory name in the b0 directory.

cache_dir ~doc_none ~docs ~doc ~env is a cli interface for specifying a b0 cache directory.

• opts are the cli options to specify it, default to ["cache-dir"].
• docs is where the option is documented, defaults to Cmdliner.Manpage.s_options
• doc is a doc string.
• doc_none describes how the value is determined if the term is evaluates to None.
• env is a variable that can be used to override the default value, defaults to cache_dir_env.

get_cache_dir ~cwd ~b0_dir ~cache_dir determines a cache directory. If cache_dir is Some d then this is Fpath.(cwd // d). If None then this is Fpath.(b0_dir / cache_dir).

trash_dir_name is ".trash" the default trash directoy name in the b0 directory.

get_trash_dir ~cwd ~b0_dir ~trash_dir dtermiens a trash directory. If trash_dir is Some d then this is Fpath.(cwd // d. If None then this is Fpath.(b0_dir /trash_dir).

b0_dir_env is "B0_LOG_FILE".

log_file_name is ".log" the default log file name in the b0 directory.

log_file ~doc_none ~docs ~doc ~env is a cli interface for specifing a b0 log file.

• opts are the cli options to specify it, defaults to ["log-file"].
• docs is where the option is documented, defaults to Cmdliner.Manpage.s_options
• doc is a doc string.
• doc_none describes how the value is determined if the term is evaluates to None.
• env is a variable that can be used to override the default value, defaults to cache_dir_env.

get_log_file ~cwd ~b0_dir ~log_file determines a log file. If log_file is Some f then this is Fpath.(cwd // f). If None then this is Fpath.(b0_dir /log_file).

jobs_env is "B0_JOBS".

jobs is a cli interface for specifying the maximal number of commands to spawn concurrently.

• opts are the cli options to specify it, defaults to ["j";"jobs"].
• docs is where the option is documented, defaults to Cmdliner.Manpage.s_options
• doc is a doc string.
• doc_none describes how the value is determined if the term is evaluates to None.
• env is a variable that can be used to override the default value, defaults to jobs_env.

get_jobs ~jobs determines a maximal number of spawns. If jobs is None then B0_std.Os.Cpu.logical_count is used.

hash_fun_env is "B0_HASH_FUN".

hash_fun is a cli interface for specfiying hash function used for caching.

• opts are the cli options to specify it, defaults to ["hash-fun"].
• docs is where the option is documented, defaults to Cmdliner.Manpage.s_common_options
• doc is a doc string.
• doc_none describes how the value is determined if the term is evaluates to None.
• env is a variable that can be used to override the default value, defaults to hash_fun_env.

get_hash_fun ~hash_fun determines a hash function. If hash_fun is None then B0_std.Hash.Xxh3_64 is used.

B00.Memo log.