chaos/NTP-Timeturner
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fix: preserve comments in config.yml when saving

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Co-authored-by: aider (gemini/gemini-2.5-pro-preview-05-06) <aider@aider.chat>
This commit is contained in:
Chaos Rogers 2025-07-29 14:42:33 +01:00
parent 9a97027870
commit 68dc16344a
2 changed files with 26 additions and 2 deletions
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24
src/config.rs
View file

@ -78,8 +78,28 @@ impl Default for Config {
}
pub fn save_config(path: &str, config: &Config) -> Result<(), Box<dyn std::error::Error>> {
let contents = serde_yaml::to_string(config)?;
fs::write(path, contents)?;
let mut s = String::new();
s.push_str("# Hardware offset in milliseconds for correcting capture latency.\n");
s.push_str(&format!("hardwareOffsetMs: {}\n\n", config.hardware_offset_ms));
s.push_str("# Enable automatic clock synchronization.\n");
s.push_str("# When enabled, the system will perform an initial full sync, then periodically\n");
s.push_str("# nudge the clock to keep it aligned with the LTC source.\n");
s.push_str(&format!("autoSyncEnabled: {}\n\n", config.auto_sync_enabled));
s.push_str("# Default nudge in milliseconds for adjtimex control.\n");
s.push_str(&format!("defaultNudgeMs: {}\n\n", config.default_nudge_ms));
s.push_str("# Time-turning offsets. All values are added to the incoming LTC time.\n");
s.push_str("# These can be positive or negative.\n");
s.push_str("timeturnerOffset:\n");
s.push_str(&format!(" hours: {}\n", config.timeturner_offset.hours));
s.push_str(&format!(" minutes: {}\n", config.timeturner_offset.minutes));
s.push_str(&format!(" seconds: {}\n", config.timeturner_offset.seconds));
s.push_str(&format!(" frames: {}\n", config.timeturner_offset.frames));
s.push_str(&format!(" milliseconds: {}\n", config.timeturner_offset.milliseconds));
fs::write(path, s)?;
Ok(())
}

4
src/main.rs
View file

@ -47,6 +47,9 @@ hardwareOffsetMs: 20
# nudge the clock to keep it aligned with the LTC source.
autoSyncEnabled: false
# Default nudge in milliseconds for adjtimex control.
defaultNudgeMs: 2
# Time-turning offsets. All values are added to the incoming LTC time.
# These can be positive or negative.
timeturnerOffset:
@ -54,6 +57,7 @@ timeturnerOffset:
minutes: 0
seconds: 0
frames: 0
milliseconds: 0
"#;
/// If no `config.yml` exists alongside the binary, write out the default.