hac_cli/
lib.rs

1use std::path::Path;
2
3use clap::Parser;
4
5/// How the runtime should behave. Dictated by the flags provided to  `Cli`
6#[derive(Debug, PartialEq)]
7pub enum RuntimeBehavior {
8    /// will print all directories `HAC` is looking for a configuration file
9    /// that means. Will print wether or not HAC_CONFIG is set, and if so where
10    /// it points to, will print `$XDG_CONFIG_HOME`, and also `$HOME/.config`
11    PrintConfigPath,
12    /// will print all directories `HAC` is looking for collections, this will
13    /// also print the path specified on the configuration file, if any.
14    PrintDataPath,
15    /// will dump the default configuration to stdout instead of running the
16    /// application.
17    DumpDefaultConfig,
18    /// will run the application with all disk-synchronization disabled. That
19    /// means `HAC` wont't save any files or changes to collection to disk.
20    DryRun,
21    /// the default running behavior of the application, this is the default
22    /// behavior for `HAC`.
23    Run,
24}
25
26#[derive(Parser, Debug)]
27pub struct Cli {
28    /// prints the directory in which the config file is being loaded from
29    #[arg(long)]
30    config_dir: bool,
31    /// dumps the default configuration to stdout.
32    #[arg(long)]
33    config_dump: bool,
34    /// prints the directory in which the collections are being stored
35    #[arg(long)]
36    data_dir: bool,
37    /// wether or not we should sync changes to the disk, when --dry-run is
38    /// specified, no collection, request, or anything will be saved to disk.
39    #[arg(long)]
40    dry_run: bool,
41}
42
43impl Cli {
44    pub fn parse_args() -> RuntimeBehavior {
45        let args = Cli::parse();
46
47        if args.config_dir {
48            return RuntimeBehavior::PrintConfigPath;
49        }
50        if args.data_dir {
51            return RuntimeBehavior::PrintDataPath;
52        }
53        if args.config_dump {
54            return RuntimeBehavior::DumpDefaultConfig;
55        }
56        if args.dry_run {
57            return RuntimeBehavior::DryRun;
58        }
59
60        RuntimeBehavior::Run
61    }
62
63    pub fn print_data_path<P>(data_path: P)
64    where
65        P: AsRef<Path>,
66    {
67        println!(
68            "collections are being stored at: {}",
69            data_path.as_ref().to_string_lossy()
70        );
71        println!("you can change this on the configuration file by specifying `collections_dir`");
72    }
73
74    pub fn print_config_path<P>(maybe_path: Option<P>, usual_path: P)
75    where
76        P: AsRef<Path>,
77    {
78        match maybe_path {
79            Some(config_dir) => {
80                println!(
81                    "config is being loaded from: {}",
82                    config_dir.as_ref().to_string_lossy()
83                );
84            }
85            None => {
86                println!("no config file was found, the default one is being used");
87                println!("the usual path for the configuration file is at:\n");
88                println!("{}", usual_path.as_ref().to_string_lossy());
89            }
90        }
91    }
92
93    pub fn print_default_config(config_as_str: &str) {
94        println!("{}", config_as_str)
95    }
96}
hac_cli/lib.rs

hac_cli/
lib.rs
