Add logging to gather functions

When gathering source files from paths, log each path traversed or
parsed.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/source_unit.rs b/src/source_unit.rs
index 69eb436..243b0de 100644
--- a/src/source_unit.rs
+++ b/src/source_unit.rs
@@ -1,5 +1,6 @@
 use crate::*;
 
+use log::info;
 use vagabond::*;
 
 
@@ -11,6 +12,7 @@ pub fn gather_from_path_variable(variable: &str, extension: Option<&str>, parse:
     let mut source_units = Vec::new();
     if let Ok(string) = std::env::var(variable) {
         for path in string.split(":").map(PathBuf::from) {
+            info!("Found path {path:?} in environment variable {variable:?}");
             source_units.extend(gather_from_path(&path, extension, parse));
         }
     };
@@ -23,12 +25,15 @@ pub fn gather_from_path(path: &Path, extension: Option<&str>, parse: ParseFn) ->
     if let Ok(entry) = Entry::from_path(path) {
         if EntryType::File == entry.entry_type {
             if let Ok(unit) = SourceUnit::from_path(&entry.path, extension, parse) {
+                info!("Found source file at {path:?}");
                 source_units.push(unit);
             }
         } else if EntryType::Directory == entry.entry_type {
+            info!("Traversing directory {path:?} for source files");
             if let Ok(entries) = traverse_directory(entry.path) {
                 for entry in entries {
                     if let Ok(unit) = SourceUnit::from_path(&entry.path, extension, parse) {
+                        info!("Found source file at {path:?}");
                         source_units.push(unit);
                     }
                 }