chore: rewrite use of chorno crate to use just time crate

Also, sort the dependency list in Cargo.toml so it's tidy.

Sponsored-by: author

1 files changed, 6 insertions, 3 deletions

diff --git a/src/bin/subplot.rs b/src/bin/subplot.rs
index 3353328..6028f76 100644
--- a/src/bin/subplot.rs
+++ b/src/bin/subplot.rs
@@ -3,12 +3,12 @@
 
 use anyhow::Result;
 
-use chrono::{Local, TimeZone};
 use structopt::StructOpt;
 use subplot::{
     codegen, load_document, load_document_with_pullmark, resource, DataFile, Document, MarkupOpts,
     Style,
 };
+use time::{format_description::FormatItem, macros::format_description, OffsetDateTime};
 use tracing::{event, instrument, span, Level, Subscriber};
 
 use std::convert::TryFrom;
@@ -374,9 +374,12 @@ impl Docgen {
     }
 
     fn mtime_formatted(mtime: (u64, u32)) -> String {
+        const DATE_FORMAT: &[FormatItem<'_>] =
+            format_description!("[year]-[month]-[day] [hour]:[minute]");
+
         let secs: i64 = format!("{}", mtime.0).parse().unwrap_or(0);
-        let dt = Local.timestamp(secs, mtime.1);
-        dt.format("%Y-%m-%d %H:%M").to_string()
+        let time = OffsetDateTime::from_unix_timestamp(secs).unwrap();
+        time.format(DATE_FORMAT).unwrap()
     }
 
     fn need_output(doc: &mut subplot::Document, template: &str, output: &Path) -> bool {