hyprshell_config_lib/
save.rs1use crate::Config;
2use anyhow::{Context, bail};
3use ron::Options;
4use ron::extensions::Extensions;
5use ron::ser::PrettyConfig;
6use std::ffi::OsStr;
7use std::fs::{File, create_dir_all};
8use std::io::Write;
9use std::path::Path;
10use tracing::{debug, debug_span, info};
11
12pub fn write_config(
13 config_path: &Path,
14 config: &Config,
15 override_file: bool,
16) -> anyhow::Result<()> {
17 let _span = debug_span!("write_config").entered();
18 let config_path_display = config_path.display();
19 if config_path.exists() && !override_file {
20 bail!(
21 "Config file at {config_path_display} already exists, delete it before generating a new one or use -f to override"
22 );
23 }
24 if let Some(parent) = config_path.parent() {
25 create_dir_all(parent)
26 .with_context(|| format!("Failed to create config dir at ({})", parent.display()))?;
27 }
28 let str = match config_path.extension().and_then(OsStr::to_str) {
29 None | Some("ron") => Options::default()
30 .with_default_extension(Extensions::IMPLICIT_SOME)
31 .with_default_extension(Extensions::UNWRAP_NEWTYPES)
32 .with_default_extension(Extensions::UNWRAP_VARIANT_NEWTYPES)
33 .to_string_pretty(config, PrettyConfig::default())
34 .with_context(|| format!("Failed to write RON config to ({config_path_display})")),
35 Some("json5" | "json") => {
36 serde_json::to_string_pretty(config).context("Failed to generate JSON config")
37 }
38 Some("toml") => toml::to_string_pretty(config).context("Failed to generate TOML config"),
39 Some(ext) => bail!(
40 "Invalid config file extension: {ext} (run with -vv and check `FEATURES: ` debug log to see enabled extensions)"
41 ),
42 }?;
43 let mut file = File::create(config_path)
44 .with_context(|| format!("Failed to create config file at ({config_path_display})"))?;
45 file.write_all(str.as_bytes())
46 .with_context(|| format!("Failed to write to config file at ({config_path_display})"))
47 .inspect_err(|_| {
48 info!("New config contents: {config:?}");
49 })?;
50
51 debug!("Config file written successfully at {config_path_display}");
52 Ok(())
53}