# Mke2fs

Parses /etc/mke2fs.conf

Author: Raphael Pinson rap.nosp@m.hink@gmai.nosp@m.l.com

Summary

Mke2fs | Parses /etc/mke2fs.conf
Reference | This lens tries to keep as close as possible to `man 5 mke2fs.conf` where possible.
License | This file is licenced under the LGPL v2+, like the rest of Augeas.
Lens Usage | To be documented
Configuration files | This lens applies to /etc/mke2fs.conf.
USEFUL PRIMITIVES |
comment |
sep |
empty |
RECORD TYPES |
entry | A generic entry for lens lns
list_sto | A list of values with given lens
entry_sto | Store a regexp as entry value
COMMON ENTRIES |
common_entry | Entries shared between defaults and fs_types sections
DEFAULTS SECTION |
defaults_entry | Possible entries under the defaults section
defaults_title | Title for the defaults section
defaults | A defaults section
FS_TYPES SECTION |
fs_types_entry | Possible entries under a fs_types_record group
fs_types_record | Fs group records under the fs_types section
fs_types_title | Title for the fs_types section
fs_types | A fs_types section
LENS AND FILTER |
lns | The mke2fs lens
filter |

### Reference

This lens tries to keep as close as possible to `man 5 mke2fs.conf` where possible.

### License

This file is licenced under the LGPL v2+, like the rest of Augeas.

### Lens Usage

To be documented

### Configuration files

This lens applies to /etc/mke2fs.conf. See filter.

### USEFUL PRIMITIVES

### comment

> let comment = IniFile.comment IniFile.comment_re IniFile.comment_default

### sep

> let sep = IniFile.sep /=[ \t]*/ "="

### empty

> let empty = IniFile.empty

### RECORD TYPES

### entry

> let entry (kw:regexp) (lns:lens) = Build.key_value_line kw sep lns

A generic entry for lens lns

### list_sto

> let list_sto (kw:regexp) (lns:lens) = counter "item" . entry kw (Build.opt_list [lns] Sep.comma)

A list of values with given lens

### entry_sto

> let entry_sto (kw:regexp) (val:regexp) = entry kw (store val)

Store a regexp as entry value

### COMMON ENTRIES

### common_entry

> let common_entry = list_sto ("base_features"|"default_features") (key Rx.word) | entry_sto "blocksize" ("-"? . Rx.integer) | entry_sto "hash_alg" ("legacy"|"half_md4"|"tea") | entry_sto ("inode_ratio"|"inode_size") Rx.integer

Entries shared between defaults and fs_types sections

### DEFAULTS SECTION

### defaults_entry

> let defaults_entry = entry_sto "force_undo" ("true"|"false") | entry_sto "fs_type" Rx.word | entry_sto "undo_dir" Rx.fspath | list_sto "default_mntopts" (key Rx.word) | entry_sto "enable_periodic_fsck" Rx.integer

Possible entries under the defaults section

### defaults_title

> let defaults_title = IniFile.title "defaults"

Title for the defaults section

### defaults

> let defaults = IniFile.record defaults_title ((Util.indent . (defaults_entry|common_entry)) | comment)

A defaults section

### FS_TYPES SECTION

### fs_types_entry

> let fs_types_entry =list_sto "features" ([del /\^/ "^" . label "disable"]? . key Rx.word) | list_sto "options" (key Rx.word . Util.del_str "=" . store Rx.word) | entry_sto "lazy_itable_init" ("true"|"false") | entry_sto ("flex_bg_size"|"auto_64-bit_support") Rx.integer

Possible entries under a fs_types_record group

### fs_types_record

> let fs_types_record = [ label "filesystem" . Util.indent . store Rx.word . del /[ \t]*=[ \t]*\{[ \t]*\n/ " = {\n" . ((Util.indent . (fs_types_entry|common_entry)) | empty | comment)* . del /[ \t]*\}[ \t]*\n/ " }\n" ]

Fs group records under the fs_types section

### fs_types_title

> let fs_types_title = IniFile.title "fs_types"

Title for the fs_types section

### fs_types

> let fs_types = IniFile.record fs_types_title (fs_types_record | comment)

A fs_types section

### LENS AND FILTER

### lns

> let lns = (empty|comment)* . (defaults|fs_types)*

The mke2fs lens

### filter

> let comment = IniFile.comment IniFile.comment_re IniFile.comment_default

> let sep = IniFile.sep /=[ \t]*/ "="

> let empty = IniFile.empty

> let entry (kw:regexp) (lns:lens) = Build.key_value_line kw sep lns

A generic entry for lens lns

> let list_sto (kw:regexp) (lns:lens) = counter "item" . entry kw (Build.opt_list [lns] Sep.comma)

A list of values with given lens

> let entry_sto (kw:regexp) (val:regexp) = entry kw (store val)

Store a regexp as entry value

> let common_entry = list_sto ("base_features"|"default_features") (key Rx.word) | entry_sto "blocksize" ("-"? . Rx.integer) | entry_sto "hash_alg" ("legacy"|"half_md4"|"tea") | entry_sto ("inode_ratio"|"inode_size") Rx.integer

Entries shared between defaults and fs_types sections

> let defaults = IniFile.record defaults_title ((Util.indent . (defaults_entry|common_entry)) | comment)

A defaults section

> let fs_types = IniFile.record fs_types_title (fs_types_record | comment)

A fs_types section

> let defaults_entry = entry_sto "force_undo" ("true"|"false") | entry_sto "fs_type" Rx.word | entry_sto "undo_dir" Rx.fspath | list_sto "default_mntopts" (key Rx.word) | entry_sto "enable_periodic_fsck" Rx.integer

Possible entries under the defaults section

> let defaults_title = IniFile.title "defaults"

Title for the defaults section

> let fs_types_entry =list_sto "features" ([del /\^/ "^" . label "disable"]? . key Rx.word) | list_sto "options" (key Rx.word . Util.del_str "=" . store Rx.word) | entry_sto "lazy_itable_init" ("true"|"false") | entry_sto ("flex_bg_size"|"auto_64-bit_support") Rx.integer

Possible entries under a fs_types_record group

> let fs_types_record = [ label "filesystem" . Util.indent . store Rx.word . del /[ \t]*=[ \t]*\{[ \t]*\n/ " = {\n" . ((Util.indent . (fs_types_entry|common_entry)) | empty | comment)* . del /[ \t]*\}[ \t]*\n/ " }\n" ]

Fs group records under the fs_types section

> let fs_types_title = IniFile.title "fs_types"

Title for the fs_types section

> let lns = (empty|comment)* . (defaults|fs_types)*

The mke2fs lens
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