feat: set file commit time to git commit timestamp, unless changed

If a file is committed to git and hasn't been changed, use the latest
commit time for the file as the timestamp of the output file.

This lacks tests, as I find it too much of a bother to set up git
histories with timestamps.

Sponsored-by: author

1 files changed, 2 insertions, 0 deletions

diff --git a/src/util.rs b/src/util.rs
index 1f69523..7909080 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -34,6 +34,8 @@ pub fn get_mtime(src: &Path) -> Result<SystemTime, SiteError> {
 }
 
 pub fn set_mtime(filename: &Path, mtime: SystemTime) -> Result<(), SiteError> {
+    trace!("set_mtime: filename={} mtime={:?}", filename.display(), mtime);
+
     let mtime = timespec(mtime)?;
     let times = [mtime, mtime];
     let times: *const timespec = &times[0];