Drop chrono and use latest time

crates/ditto-cli/Cargo.toml

@@ -16,7 +16,7 @@ ditto-cst = { path = "../ditto-cst" }
 ditto-config = { path = "../ditto-config" }
 ditto-fmt = { path = "../ditto-fmt" }
 clap = "4.0"
-chrono = "0.4"
+time = { version = "0.3", features = ["serde-human-readable"] }
 miette = { version = "5.5", features = ["fancy"] }
 tracing = "0.1"
 tracing-subscriber = "0.3"
@@ -59,4 +59,4 @@ assert_fs = "1.0"
 similar-asserts = "1.4"
 
 [build-dependencies]
-chrono = "0.4"
+time = "0.3"

crates/ditto-cli/build.rs

@@ -34,8 +34,11 @@ fn main() {
     });
     println!("cargo:rustc-env=GIT_DIRTY={}", git_dirty);
 
-    let build_time =
-        env::var("DITTO_BUILD_TIME").unwrap_or_else(|_| chrono::offset::Utc::now().to_rfc3339());
+    let build_time = env::var("DITTO_BUILD_TIME").unwrap_or_else(|_| {
+        time::OffsetDateTime::now_utc()
+            .format(&time::format_description::well_known::Rfc3339)
+            .unwrap()
+    });
 
     println!("cargo:rustc-env=BUILD_TIME={}", build_time);
 

crates/ditto-cli/src/main.rs

@@ -137,7 +137,11 @@ async fn try_main() -> Result<()> {
             .map_or(String::from("ditto"), |subcmd| format!("ditto_{}", subcmd));
 
         log_file.push(subcommand);
-        log_file.set_extension(chrono::offset::Utc::now().to_rfc3339());
+        log_file.set_extension(
+            time::OffsetDateTime::now_utc()
+                .format(&time::format_description::well_known::Rfc3339)
+                .unwrap(),
+        );
 
         let log_file = std::fs::File::create(log_file).into_diagnostic()?;
         let (non_blocking, guard) = tracing_appender::non_blocking(log_file);

crates/ditto-cli/src/version.rs

@@ -10,7 +10,7 @@ pub struct Version {
     pub semversion: semver::Version,
     pub git_rev: String,
     pub git_is_dirty: bool,
-    pub build_time: chrono::DateTime<chrono::FixedOffset>,
+    pub build_time: time::OffsetDateTime,
     pub build_profile: String,
 }
 
@@ -26,8 +26,11 @@ impl Version {
                 .unwrap_or_else(|_| panic!("invalid GIT_DESCRIBE: \"{GIT_DESCRIBE}\"")),
             git_rev: GIT_REV.to_owned(),
             git_is_dirty: GIT_DIRTY == "yes", // see build.rs
-            build_time: chrono::DateTime::parse_from_rfc3339(BUILD_TIME)
-                .unwrap_or_else(|_| panic!("invalid BUILD_TIME: \"{BUILD_TIME}\"")),
+            build_time: time::OffsetDateTime::parse(
+                BUILD_TIME,
+                &time::format_description::well_known::Rfc3339,
+            )
+            .unwrap_or_else(|_| panic!("invalid BUILD_TIME: \"{BUILD_TIME}\"")),
             build_profile: PROFILE.to_owned(),
         }
     }
@@ -44,19 +47,18 @@ impl Version {
             version = self.semversion,
             dirty = if self.git_is_dirty { "*" } else { "" },
             profile = self.build_profile,
-            build_time = self.build_time.to_rfc3339()
+            build_time = self
+                .build_time
+                .format(&time::format_description::well_known::Rfc3339)
+                .unwrap(),
         )
     }
     fn new_test() -> Self {
-        use chrono::TimeZone;
         Self {
             semversion: semver::Version::new(0, 0, 0),
             git_rev: String::from("test"),
             git_is_dirty: false,
-            build_time: chrono::Utc
-                .with_ymd_and_hms(1970, 1, 1, 0, 0, 0)
-                .unwrap()
-                .into(),
+            build_time: time::OffsetDateTime::UNIX_EPOCH,
             build_profile: String::from("test"),
         }
     }

crates/ditto-cli/tests/cmd/version/test.stdout

@@ -1,2 +1,2 @@
 ditto 0.0.0 test
-built at: 1970-01-01T00:00:00+00:00
+built at: 1970-01-01T00:00:00Z