From 3856d94661bd5605a839983805ec8ad962c4d307 Mon Sep 17 00:00:00 2001
From: Jesper Jensen <jesper@jnsn.dev>
Date: Mon, 9 Feb 2026 23:04:07 +0100
Subject: Remove chrono dependency

Removing that dependency didn't take a lot of code, and fewer
dependencies are better
---
 src/main.rs | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index c4366ca..c1888ea 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,19 +4,23 @@ mod docker;
 mod manifest;
 mod dockerfile;
 mod metrics;
+mod time;
 mod db;
 mod registry;
 mod updater;
+mod refresher;
 
 use crate::docker::DockerRef;
 use crate::manifest::ManifestFile;
 use crate::dockerfile::DockerfileFile;
 use crate::db::{Db, SqliteDb};
+use crate::time::Timestamp;
 use crate::registry::{Registries, HttpRegistry, Config, Credentials};
 use crate::updater::{FileInput, FilePatch, update_images};
 
 use rand::distr::{Alphanumeric, SampleString};
 use std::io::Write;
+use std::time::Duration;
 
 struct Repository {
     url: String,
@@ -56,7 +60,7 @@ fn is_yaml(path: &std::path::Path) -> bool {
     return false;
 }
 
-fn run_tool(db: &dyn Db, reg: &dyn Registries, repos: &Vec<Repository>, mut infile_paths: Vec<std::path::PathBuf>) -> chrono::DateTime<chrono::Utc> {
+fn run_tool(db: &dyn Db, reg: &dyn Registries, repos: &Vec<Repository>, mut infile_paths: Vec<std::path::PathBuf>) -> Timestamp {
     for repo in repos {
         if repo.dest.exists() {
             let mut gitcmd = std::process::Command::new("git");
@@ -166,9 +170,9 @@ fn run_tool(db: &dyn Db, reg: &dyn Registries, repos: &Vec<Repository>, mut infi
         file_inputs.push(FileInput { path, content, images });
     }
 
-    let now = chrono::offset::Utc::now();
+    let now = Timestamp::now();
     let mut outcomes: Vec<Result<Vec<FilePatch>, String>> = Vec::with_capacity(file_inputs.len());
-    update_images(&now, db, reg, &file_inputs, &mut outcomes);
+    update_images(now, db, reg, &file_inputs, &mut outcomes);
 
     for i in 0..file_inputs.len() {
         let file = &file_inputs[i];
@@ -245,8 +249,8 @@ fn run_tool(db: &dyn Db, reg: &dyn Registries, repos: &Vec<Repository>, mut infi
         metrics::get().git_operations.with_label_values(&["push", "success"]).inc();
     }
 
-    let now = chrono::offset::Utc::now();
-    let mut min_expiry = now + chrono::Duration::hours(24);
+    let now = Timestamp::now();
+    let mut min_expiry = now + Duration::from_secs(86400);
     for file in &file_inputs {
         for image_range in &file.images {
             let img = DockerRef::parse(&file.content, image_range);
@@ -279,7 +283,7 @@ fn main() {
     let mut repos = vec![];
     let mut auths = vec![];
     let mut docker_auths: Vec<(String, Credentials)> = vec![];
-    let mut registry_ttls: Vec<(String, chrono::Duration)> = vec![];
+    let mut registry_ttls: Vec<(String, Duration)> = vec![];
 
     let workdir = std::env::current_dir().unwrap();
     if config_path.is_dir() {
@@ -479,8 +483,8 @@ fn main() {
 
                                 match reader.parse_next() {
                                     Ok(json_event_parser::JsonEvent::Number(n)) => {
-                                        let minutes: i64 = n.parse().unwrap();
-                                        registry_ttls.push((host, chrono::Duration::minutes(minutes)));
+                                        let minutes: u64 = n.parse().unwrap();
+                                        registry_ttls.push((host, Duration::from_secs(minutes * 60)));
                                     },
                                     _ => panic!("Invalid registry config json"),
                                 }
@@ -512,7 +516,7 @@ fn main() {
 
     // Merge docker_auths and registry_ttls into final configs
     for (host, creds) in docker_auths {
-        let mut ttl = chrono::Duration::minutes(1440);
+        let mut ttl = Duration::from_secs(86400);
         for (h, t) in &registry_ttls {
             if h == &host {
                 ttl = *t;
@@ -554,11 +558,11 @@ fn main() {
 
         let run_duration = run_start.elapsed().as_secs_f64();
         metrics::get().run_duration.set(run_duration);
-        metrics::get().next_wakeup.set(next_wakeup.timestamp() as f64);
+        metrics::get().next_wakeup.set(next_wakeup.duration_since(Timestamp::ZERO).unwrap().as_secs() as f64);
         metrics::get().state.set(metrics::STATE_IDLE);
 
-        let sleep_duration = next_wakeup - chrono::offset::Utc::now();
-        println!("Waiting {} seconds for next run", sleep_duration.num_seconds());
-        std::thread::sleep(sleep_duration.to_std().unwrap());
+        let sleep_duration = next_wakeup.duration_since(Timestamp::now()).unwrap_or(Duration::ZERO);
+        println!("Waiting {} seconds for next run", sleep_duration.as_secs());
+        std::thread::sleep(sleep_duration);
     }
 }
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