commit d68674db830d3c2005822f79c3dbc3eb8eca567f · hauleth.dev/ptsd

.gitignore

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       /target

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Cargo.lock

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+12

Cargo.toml

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       [package]

     

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       name = "ptsd"

     

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       version = "0.1.0"

     

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       edition = "2021"

     

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       # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

     

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       wildmatch = "2.3.0"

+51

README.md

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       # PTSD

     

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       Simple tool for automatic file management. Basically `file`/`fd` with

     

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       configuration file.

     

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       ## Name

     

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       It stands for *Python Tremendously Suck Dicks* and it was created in anger after

     

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       I tried to package [`organize`][] for Nix. It was pain, even when I was working

     

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       alongside of one of Poetry maintainers. So as that experience was quite

     

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       suboptimal I come up with idea of writing such project on my own and I have gave

     

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       it a name that relates to the experience I had with Python.

     

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       Hopefully this will be simpler to write and to package it as a Rust project

     

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       rather than Python.

     

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       [`organize`]: https://github.com/tfeldmann/organize/tree/main

     

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       ## Why Rust?

     

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       Why not? I was thinking also about using Zig that I am learning, but I know Rust

     

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       better and the ecosystem of Rust is in better state. Maybe I will rewrite it

     

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       later.

     

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       ## Supported platforms

     

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       I develop it and maintain it mostly on macOS, so most \*nixes should be ok. I

     

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       will probably test it on Linux as well. I do not have Windows machine nor I care

     

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       enough about that platform, so support for it may be wonky (unless someone,

     

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       potentially You, will be willing to take care of it).

     

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       ## Configuration

     

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       TBD, but current plan is to use JSON files.

     

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       > But Hauleth, JSON sucks for configuration as it is quite verbose, lacks

     

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       > comments, etc. So why not use something like JSON5, TOML, Dhall, Nickel

     

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       > or other?

     

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       Good question. I was thinking about using either Dhall or Nickel, but in the end

     

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       I come to the conclusion that I want to use it from Nix anyway, so just using

     

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       plain JSON and generating it from Nix derivation will be much simpler than using

     

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       some fancy pants configuration language. In the end you can also use Nickel or

     

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       Dhall from CLI and pass the generated file to the `ptsd`. Also if there will be

     

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       need other formats can be easily added as `ptsd` uses Rust's Serde, which allows

     

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       us to easily add new formats in the future if needed.

     

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       ## License

     

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       I haven't decided yet, so for now we can assume WTFLPL, but it will for sure

     

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       change in future.

+325

flake.lock

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       159
       +
           "nixpkgs": {

     

       160
       +
             "locked": {

     

       161
       +
               "lastModified": 1678875422,

     

       162
       +
               "narHash": "sha256-T3o6NcQPwXjxJMn2shz86Chch4ljXgZn746c2caGxd8=",

     

       163
       +
               "owner": "NixOS",

     

       164
       +
               "repo": "nixpkgs",

     

       165
       +
               "rev": "126f49a01de5b7e35a43fd43f891ecf6d3a51459",

     

       166
       +
               "type": "github"

     

       167
       +
             },

     

       168
       +
             "original": {

     

       169
       +
               "owner": "NixOS",

     

       170
       +
               "ref": "nixpkgs-unstable",

     

       171
       +
               "repo": "nixpkgs",

     

       172
       +
               "type": "github"

     

       173
       +
             }

     

       174
       +
           },

     

       175
       +
           "nixpkgs-lib": {

     

       176
       +
             "locked": {

     

       177
       +
               "dir": "lib",

     

       178
       +
               "lastModified": 1703961334,

     

       179
       +
               "narHash": "sha256-M1mV/Cq+pgjk0rt6VxoyyD+O8cOUiai8t9Q6Yyq4noY=",

     

       180
       +
               "owner": "NixOS",

     

       181
       +
               "repo": "nixpkgs",

     

       182
       +
               "rev": "b0d36bd0a420ecee3bc916c91886caca87c894e9",

     

       183
       +
               "type": "github"

     

       184
       +
             },

     

       185
       +
             "original": {

     

       186
       +
               "dir": "lib",

     

       187
       +
               "owner": "NixOS",

     

       188
       +
               "ref": "nixos-unstable",

     

       189
       +
               "repo": "nixpkgs",

     

       190
       +
               "type": "github"

     

       191
       +
             }

     

       192
       +
           },

     

       193
       +
           "nixpkgs-regression": {

     

       194
       +
             "locked": {

     

       195
       +
               "lastModified": 1643052045,

     

       196
       +
               "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",

     

       197
       +
               "owner": "NixOS",

     

       198
       +
               "repo": "nixpkgs",

     

       199
       +
               "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",

     

       200
       +
               "type": "github"

     

       201
       +
             },

     

       202
       +
             "original": {

     

       203
       +
               "owner": "NixOS",

     

       204
       +
               "repo": "nixpkgs",

     

       205
       +
               "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",

     

       206
       +
               "type": "github"

     

       207
       +
             }

     

       208
       +
           },

     

       209
       +
           "nixpkgs-stable": {

     

       210
       +
             "locked": {

     

       211
       +
               "lastModified": 1685801374,

     

       212
       +
               "narHash": "sha256-otaSUoFEMM+LjBI1XL/xGB5ao6IwnZOXc47qhIgJe8U=",

     

       213
       +
               "owner": "NixOS",

     

       214
       +
               "repo": "nixpkgs",

     

       215
       +
               "rev": "c37ca420157f4abc31e26f436c1145f8951ff373",

     

       216
       +
               "type": "github"

     

       217
       +
             },

     

       218
       +
             "original": {

     

       219
       +
               "owner": "NixOS",

     

       220
       +
               "ref": "nixos-23.05",

     

       221
       +
               "repo": "nixpkgs",

     

       222
       +
               "type": "github"

     

       223
       +
             }

     

       224
       +
           },

     

       225
       +
           "nixpkgs_2": {

     

       226
       +
             "locked": {

     

       227
       +
               "lastModified": 1704842529,

     

       228
       +
               "narHash": "sha256-OTeQA+F8d/Evad33JMfuXC89VMetQbsU4qcaePchGr4=",

     

       229
       +
               "path": "/nix/store/g16z4fs1mrbkxc4x6wm8xbrh13nc7aw4-source",

     

       230
       +
               "rev": "eabe8d3eface69f5bb16c18f8662a702f50c20d5",

     

       231
       +
               "type": "path"

     

       232
       +
             },

     

       233
       +
             "original": {

     

       234
       +
               "id": "nixpkgs",

     

       235
       +
               "type": "indirect"

     

       236
       +
             }

     

       237
       +
           },

     

       238
       +
           "pre-commit-hooks": {

     

       239
       +
             "inputs": {

     

       240
       +
               "flake-compat": [

     

       241
       +
                 "devenv",

     

       242
       +
                 "flake-compat"

     

       243
       +
               ],

     

       244
       +
               "flake-utils": "flake-utils",

     

       245
       +
               "gitignore": "gitignore",

     

       246
       +
               "nixpkgs": [

     

       247
       +
                 "devenv",

     

       248
       +
                 "nixpkgs"

     

       249
       +
               ],

     

       250
       +
               "nixpkgs-stable": "nixpkgs-stable"

     

       251
       +
             },

     

       252
       +
             "locked": {

     

       253
       +
               "lastModified": 1704725188,

     

       254
       +
               "narHash": "sha256-qq8NbkhRZF1vVYQFt1s8Mbgo8knj+83+QlL5LBnYGpI=",

     

       255
       +
               "owner": "cachix",

     

       256
       +
               "repo": "pre-commit-hooks.nix",

     

       257
       +
               "rev": "ea96f0c05924341c551a797aaba8126334c505d2",

     

       258
       +
               "type": "github"

     

       259
       +
             },

     

       260
       +
             "original": {

     

       261
       +
               "owner": "cachix",

     

       262
       +
               "repo": "pre-commit-hooks.nix",

     

       263
       +
               "type": "github"

     

       264
       +
             }

     

       265
       +
           },

     

       266
       +
           "root": {

     

       267
       +
             "inputs": {

     

       268
       +
               "devenv": "devenv",

     

       269
       +
               "fenix": "fenix",

     

       270
       +
               "flake-parts": "flake-parts",

     

       271
       +
               "nixpkgs": "nixpkgs_2",

     

       272
       +
               "systems": "systems_2"

     

       273
       +
             }

     

       274
       +
           },

     

       275
       +
           "rust-analyzer-src": {

     

       276
       +
             "flake": false,

     

       277
       +
             "locked": {

     

       278
       +
               "lastModified": 1704974004,

     

       279
       +
               "narHash": "sha256-H3RdtMxH8moTInVmracgtF8bgFpaEE3zYoSkuv7PBs0=",

     

       280
       +
               "owner": "rust-lang",

     

       281
       +
               "repo": "rust-analyzer",

     

       282
       +
               "rev": "9d8889cdfcc3aa0302353fc988ed21ff9bc9925c",

     

       283
       +
               "type": "github"

     

       284
       +
             },

     

       285
       +
             "original": {

     

       286
       +
               "owner": "rust-lang",

     

       287
       +
               "ref": "nightly",

     

       288
       +
               "repo": "rust-analyzer",

     

       289
       +
               "type": "github"

     

       290
       +
             }

     

       291
       +
           },

     

       292
       +
           "systems": {

     

       293
       +
             "locked": {

     

       294
       +
               "lastModified": 1681028828,

     

       295
       +
               "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",

     

       296
       +
               "owner": "nix-systems",

     

       297
       +
               "repo": "default",

     

       298
       +
               "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",

     

       299
       +
               "type": "github"

     

       300
       +
             },

     

       301
       +
             "original": {

     

       302
       +
               "owner": "nix-systems",

     

       303
       +
               "repo": "default",

     

       304
       +
               "type": "github"

     

       305
       +
             }

     

       306
       +
           },

     

       307
       +
           "systems_2": {

     

       308
       +
             "locked": {

     

       309
       +
               "lastModified": 1681028828,

     

       310
       +
               "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",

     

       311
       +
               "owner": "nix-systems",

     

       312
       +
               "repo": "default",

     

       313
       +
               "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",

     

       314
       +
               "type": "github"

     

       315
       +
             },

     

       316
       +
             "original": {

     

       317
       +
               "owner": "nix-systems",

     

       318
       +
               "repo": "default",

     

       319
       +
               "type": "github"

     

       320
       +
             }

     

       321
       +
           }

     

       322
       +
         },

     

       323
       +
         "root": "root",

     

       324
       +
         "version": 7

     

       325
       +
       }

+45

flake.nix

···

       1
       +
       {

     

       2
       +
         inputs = {

     

       3
       +
           nixpkgs.url = "flake:nixpkgs";

     

       4
       +
           systems.url = "github:nix-systems/default";

     

       5
       +
           flake-parts.url = "github:hercules-ci/flake-parts";

     

       6
       +
           fenix = {

     

       7
       +
             url = "github:nix-community/fenix";

     

       8
       +
             inputs.nixpkgs.follows = "nixpkgs";

     

       9
       +
           };

     

       10
       +
           devenv.url = "github:cachix/devenv";

     

       11
       +
         };

     

       12
       +
       

     

       13
       +
         nixConfig = {

     

       14
       +
           extra-trusted-public-keys = "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw=";

     

       15
       +
           extra-substituters = "https://devenv.cachix.org";

     

       16
       +
         };

     

       17
       +
       

     

       18
       +
         outputs = {

     

       19
       +
           self,

     

       20
       +
           flake-parts,

     

       21
       +
           ...

     

       22
       +
         } @ inputs:

     

       23
       +
           flake-parts.lib.mkFlake {inherit inputs;} {

     

       24
       +
             imports = [

     

       25
       +
               inputs.devenv.flakeModule

     

       26
       +
             ];

     

       27
       +
       

     

       28
       +
             systems = import inputs.systems;

     

       29
       +
       

     

       30
       +
             perSystem = {

     

       31
       +
               self',

     

       32
       +
               pkgs,

     

       33
       +
               ...

     

       34
       +
             }: {

     

       35
       +
               formatter = pkgs.alejandra;

     

       36
       +
       

     

       37
       +
               devenv.shells.default = {

     

       38
       +
                 languages.rust = {

     

       39
       +
                 enable = true;

     

       40
       +
                 channel = "nightly";

     

       41
       +
                 };

     

       42
       +
               };

     

       43
       +
             };

     

       44
       +
           };

     

       45
       +
       }

+157

src/job.rs

···

       1
       +
       use std::fmt;

     

       2
       +
       use std::path::{Path, PathBuf};

     

       3
       +
       use std::process::Command;

     

       4
       +
       

     

       5
       +
       use serde::{de, Deserialize};

     

       6
       +
       use wildmatch::WildMatch;

     

       7
       +
       

     

       8
       +
       /// Definition of the job files

     

       9
       +
       #[derive(Debug, Deserialize)]

     

       10
       +
       pub struct Job {

     

       11
       +
           pattern: Pattern,

     

       12
       +
           location: PathBuf,

     

       13
       +
           actions: Vec<Action>,

     

       14
       +
       }

     

       15
       +
       

     

       16
       +
       impl Job {

     

       17
       +
           pub fn run(&self) {

     

       18
       +
               let loc = normalise_path(&self.location);

     

       19
       +
       

     

       20
       +
               for entry in loc.read_dir().unwrap() {

     

       21
       +
                   let entry = entry.unwrap();

     

       22
       +
       

     

       23
       +
                   if self.pattern.matches(entry.file_name().as_ref()) {

     

       24
       +
                       self.execute_actions(&loc, entry.path().as_ref());

     

       25
       +
                   }

     

       26
       +
               }

     

       27
       +
           }

     

       28
       +
       

     

       29
       +
           fn execute_actions(&self, loc: &Path, path: &Path) {

     

       30
       +
               for action in &self.actions {

     

       31
       +
                   action.execute(loc, path);

     

       32
       +
               }

     

       33
       +
           }

     

       34
       +
       }

     

       35
       +
       

     

       36
       +
       /// Patterns that can be matched against files

     

       37
       +
       #[derive(Debug, Deserialize)]

     

       38
       +
       pub enum Pattern {

     

       39
       +
           #[serde(deserialize_with = "deserialize_wildcard")]

     

       40
       +
           Wildcard(WildMatch),

     

       41
       +
           #[serde(deserialize_with = "deserialize_regex")]

     

       42
       +
           Regex(regex::Regex),

     

       43
       +
           #[serde(untagged)]

     

       44
       +
           Exact(Box<Path>),

     

       45
       +
       }

     

       46
       +
       

     

       47
       +
       impl Pattern {

     

       48
       +
           pub fn matches(&self, path: &Path) -> bool {

     

       49
       +
               match *self {

     

       50
       +
                   Self::Wildcard(ref pattern) => pattern.matches(path.to_str().unwrap()),

     

       51
       +
                   Self::Regex(ref pattern) => pattern.is_match(path.to_str().unwrap()),

     

       52
       +
                   Self::Exact(ref pattern) => **pattern == *path,

     

       53
       +
               }

     

       54
       +
           }

     

       55
       +
       }

     

       56
       +
       

     

       57
       +
       /// Actions available for file

     

       58
       +
       #[derive(Debug, Deserialize)]

     

       59
       +
       #[serde(untagged)]

     

       60
       +
       pub enum Action {

     

       61
       +
           /// Run given script with 1st argument. It will be ran in parent directory for given file

     

       62
       +
           Script { script: Box<Path> },

     

       63
       +
           /// Move given file to new destination

     

       64
       +
           Move { move_to: Box<Path> },

     

       65
       +
           /// Print message and do nothing

     

       66
       +
           Echo { message: String },

     

       67
       +
       }

     

       68
       +
       

     

       69
       +
       impl Action {

     

       70
       +
           pub fn execute(&self, dir: &Path, source: &Path) {

     

       71
       +
               match *self {

     

       72
       +
                   Action::Script { ref script } => {

     

       73
       +
                       Command::new(script.as_ref())

     

       74
       +
                           .arg(source)

     

       75
       +
                           .current_dir(dir)

     

       76
       +
                           .spawn()

     

       77
       +
                           .expect("Couldnt spawn process")

     

       78
       +
                           .wait()

     

       79
       +
                           .expect("Child exited abnormally");

     

       80
       +
                   }

     

       81
       +
       

     

       82
       +
                   Action::Move { move_to: ref dest_dir } => {

     

       83
       +
                       let dest = normalise_path(dest_dir).join(source.file_name().unwrap());

     

       84
       +
                       if let Err(err) = std::fs::rename(source, &dest) {

     

       85
       +
                           if err.kind() == std::io::ErrorKind::CrossesDevices {

     

       86
       +
                               panic!("X dev");

     

       87
       +
                           } else {

     

       88
       +
                               panic!("Cannot move {source:?} -> {dest:?}: {err:?}");

     

       89
       +
                           }

     

       90
       +
                       }

     

       91
       +
                   }

     

       92
       +
       

     

       93
       +
                   Action::Echo { ref message } => println!("{source:?} - {message}"),

     

       94
       +
               }

     

       95
       +
           }

     

       96
       +
       }

     

       97
       +
       

     

       98
       +
       fn normalise_path(path: &Path) -> PathBuf {

     

       99
       +
           match path.strip_prefix("~") {

     

       100
       +
               Ok(prefix) => std::env::home_dir().unwrap().join(prefix),

     

       101
       +
               Err(_) => path.to_owned(),

     

       102
       +
           }

     

       103
       +
       }

     

       104
       +
       

     

       105
       +
       struct RegexVisitor;

     

       106
       +
       

     

       107
       +
       impl<'de> de::Visitor<'de> for RegexVisitor {

     

       108
       +
           type Value = regex::Regex;

     

       109
       +
       

     

       110
       +
           fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {

     

       111
       +
               write!(formatter, "expected regex string")

     

       112
       +
           }

     

       113
       +
       

     

       114
       +
           fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>

     

       115
       +
           where

     

       116
       +
               E: de::Error,

     

       117
       +
           {

     

       118
       +
               match regex::Regex::new(s) {

     

       119
       +
                   Ok(regex) => Ok(regex),

     

       120
       +
                   Err(regex::Error::Syntax(ref desc)) => {

     

       121
       +
                       Err(E::invalid_value(de::Unexpected::Str(s), &desc.as_str()))

     

       122
       +
                   }

     

       123
       +
                   Err(_) => unreachable!(),

     

       124
       +
               }

     

       125
       +
           }

     

       126
       +
       }

     

       127
       +
       

     

       128
       +
       fn deserialize_regex<'de, D>(des: D) -> Result<regex::Regex, D::Error>

     

       129
       +
       where

     

       130
       +
           D: serde::Deserializer<'de>,

     

       131
       +
       {

     

       132
       +
           des.deserialize_str(RegexVisitor)

     

       133
       +
       }

     

       134
       +
       

     

       135
       +
       struct WildcardVisitor;

     

       136
       +
       

     

       137
       +
       impl<'de> de::Visitor<'de> for WildcardVisitor {

     

       138
       +
           type Value = WildMatch;

     

       139
       +
       

     

       140
       +
           fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {

     

       141
       +
               write!(formatter, "expected regex string")

     

       142
       +
           }

     

       143
       +
       

     

       144
       +
           fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>

     

       145
       +
           where

     

       146
       +
               E: de::Error,

     

       147
       +
           {

     

       148
       +
               Ok(WildMatch::new(s))

     

       149
       +
           }

     

       150
       +
       }

     

       151
       +
       

     

       152
       +
       fn deserialize_wildcard<'de, D>(des: D) -> Result<WildMatch, D::Error>

     

       153
       +
       where

     

       154
       +
           D: serde::Deserializer<'de>,

     

       155
       +
       {

     

       156
       +
           des.deserialize_str(WildcardVisitor)

     

       157
       +
       }

+20

src/main.rs

···

       1
       +
       #![feature(io_error_more)]

     

       2
       +
       mod job;

     

       3
       +
       

     

       4
       +
       const data: &str = r#"

     

       5
       +
       {

     

       6
       +
           "pattern": {"Wildcard": "*.gp5"},

     

       7
       +
           "location": "~/Downloads",

     

       8
       +
           "actions": [

     

       9
       +
               {"move_to": "~/Documents/Gitara/"}

     

       10
       +
           ]

     

       11
       +
       }"#;

     

       12
       +
       

     

       13
       +
       fn main() {

     

       14
       +
           println!("{data}");

     

       15
       +
           let j: job::Job = serde_json::from_str(data).unwrap();

     

       16
       +
       

     

       17
       +
           j.run();

     

       18
       +
       

     

       19
       +
           println!("{j:?}");

     

       20
       +
       }