Advance POT-Creation-Date by 1 minute on normalization (#212)

i18n-helpers/Cargo.toml

@@ -15,6 +15,7 @@ workspace = true
 [dependencies]
 anyhow.workspace = true
 chrono = { version = "0.4.38", default-features = false, features = ["alloc"] }
+dateparser = "0.2.1"
 mdbook.workspace = true
 polib.workspace = true
 pulldown-cmark = { version = "0.11.0", default-features = false, features = ["html"] }

i18n-helpers/src/normalize.rs

@@ -7,6 +7,7 @@ use std::fs::File;
 use std::io::Read;
 
 use crate::{extract_messages, new_cmark_parser, wrap_sources};
+use chrono::Duration;
 use polib::catalog::Catalog;
 use polib::message::{Message, MessageFlags, MessageMutView, MessageView};
 use pulldown_cmark::{Event, LinkType, Tag};
@@ -251,6 +252,17 @@ pub fn normalize(catalog: Catalog) -> anyhow::Result<Catalog> {
         }
     }
 
+    // Increment POT-Creation-Date in metadata by 1 minute to indicate a change in the file.
+    // Do not change the date if parsing or advancing the date fails.
+    if let Ok(pot_creation_date) = dateparser::parse(&new_catalog.metadata.pot_creation_date) {
+        if let Some(new_pot_creation_date) =
+            pot_creation_date.checked_add_signed(Duration::minutes(1))
+        {
+            new_catalog.metadata.pot_creation_date =
+                new_pot_creation_date.format("%Y-%m-%d %H:%M%z").to_string();
+        }
+    }
+
     Ok(new_catalog)
 }
 
@@ -566,4 +578,26 @@ mod tests {
             ],
         );
     }
+
+    #[test]
+    fn test_normalize_pot_creation_date() {
+        let mut catalog = create_catalog(&[]);
+        catalog.metadata.pot_creation_date = String::from("2008-02-06 16:25+0000");
+        let new_catalog = normalize(catalog).expect("could not advance POT-Creation-Date");
+        assert_eq!(
+            new_catalog.metadata.pot_creation_date,
+            String::from("2008-02-06 16:26+0000")
+        )
+    }
+
+    #[test]
+    fn test_normalize_pot_creation_date_parsing_fails() {
+        let mut catalog = create_catalog(&[]);
+        catalog.metadata.pot_creation_date = String::from("not a valid date");
+        let new_catalog = normalize(catalog).expect("could not advance POT-Creation-Date");
+        assert_eq!(
+            new_catalog.metadata.pot_creation_date,
+            String::from("not a valid date")
+        )
+    }
 }