commit ab7417d89b459d6a2da0a18740ccb6953352b34b · hauleth.dev/ptsd

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ptsd.ncl
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       # SPDX-FileCopyrightText: 2024 Łukasz Niemier <#@hauleth.dev>

     

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       #

     

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       # SPDX-License-Identifier: EUPL-1.2

     

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       let Action = [|

     

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         'script String,

     

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         'move String,

     

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         'echo String,

     

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         'trash

     

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       |]

     

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       in

     

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       let NameMatch = [| 'exact String, 'wildcard String, 'regex String |] in

     

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       let FileType = [| 'dir, 'file, 'symlink |] in

     

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       let ContentMatch = [|

     

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         'mime String,

     

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         'magic {

     

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           offset | Number = 0,

     

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           bytes | (Array Number),

     

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         }

     

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       |]

     

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       in

     

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       let rec Filter = [|

     

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         'name NameMatch,

     

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         'file_type FileType,

     

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         'size [| 'less Number, 'equal Number, 'greater Number |],

     

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         'content_type ContentMatch,

     

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         'any (Array Filter),

     

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         'all (Array Filter),

     

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         'not Filter,

     

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       |]

     

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       in

     

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       {

     

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         Job = {

     

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           location

     

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             | String

     

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             | doc "Location that will be traversed for patterns",

     

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           filter

     

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             | Filter

     

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             | doc "File filters",

     

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           actions

     

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             | Array Action

     

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             | doc "Actions that should be applied to entry that matches pattern"

     

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         },

     

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         build | (Array Job) -> Dyn

     

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           =

     

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             let actionMatcher = match {

     

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               'script path => { script = path },

     

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               'move path => { move = path },

     

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               'echo msg => { echo = msg },

     

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               'trash => "trash",

     

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             }

     

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             in

     

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             let nameMatcher = match {

     

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               'exact val => { exact = val },

     

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               'wildcard val => { wildcard = val },

     

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               'regex val => { regex = val },

     

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             }

     

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             in

     

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             let rec filterMapper = match {

     

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               'name name => { type = "name" } & (nameMatcher name),

     

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               'file_type type => { type = "file_type", is = type },

     

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               'content_type type =>

     

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                 type

     

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                 |> match {

     

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                   'mime mime => { type = "content_type", mime = mime },

     

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                   'magic bytes => { type = "content_type", magic = bytes },

     

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                 },

     

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               'size pred =>

     

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                 let { tag, arg } = std.enum.to_tag_and_arg pred

     

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                 in

     

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                 {

     

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                   type = "size",

     

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                   size = arg,

     

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                   ordering = tag,

     

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                 },

     

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               'all allFilters =>

     

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                 {

     

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                   type = "all",

     

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                   filters = std.array.map filterMapper allFilters

     

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                 },

     

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               'any anyFilter =>

     

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                 {

     

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                   type = "any",

     

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                   filters = std.array.map filterMapper anyFilter

     

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                 },

     

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             }

     

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             in

     

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             let jobMapper = fun job =>

     

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               {

     

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                 location = job.location,

     

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                 filter = filterMapper job.filter,

     

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                 actions = std.array.map actionMatcher job.actions,

     

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               }

     

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             in

     

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             std.array.map jobMapper

     

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       }