make logging variable via args

src/main.rs

@@ -1,6 +1,6 @@
-use std::{cmp::Ordering, path::Path};
+use std::{cmp::Ordering, path::Path, str::FromStr};
 
-use clap::Parser;
+use clap::{ArgAction, Parser};
 use color_eyre::eyre::Result;
 use icu_locid::locale;
 use log::{debug, error, info};
@@ -9,11 +9,26 @@ use spreadsheet_ods::{
     formula::{fcellref, fcellrefa, fcellrefa_table},
     write_ods, Sheet, WorkBook,
 };
+use stderrlog::Timestamp;
 
+/// Takes multiple csv bom files as input and combines them into one big ods file.
+/// Parts will be grouped by value, footprint and WE Part number.
+/// The summary is sorted by footprint first, then value.
 #[derive(Parser, Debug)]
 struct Args {
+    #[arg(short, long)]
+    /// Silence all output
+    quiet: bool,
+    #[arg(short, long, action = ArgAction::Count)]
+    /// verbosity
+    verbose: u8,
+    #[arg(short, long)]
+    /// prepend log lines with a timestamp [none, sec, ms, ns]
+    timestamp: Option<String>,
+    /// csv bom files exported from KiCad
     #[arg(required = true)]
     input: Vec<String>,
+    /// output ods file
     output: String,
 }
 
@@ -39,11 +54,17 @@ struct Bom {
 
 fn main() -> Result<()> {
     color_eyre::install()?;
+    let args = Args::parse();
     stderrlog::new()
         .module(module_path!())
-        .verbosity(2)
+        .quiet(args.quiet)
+        .verbosity(args.verbose as usize)
+        .timestamp(
+            args.timestamp
+                .map(|v| Timestamp::from_str(&v).unwrap())
+                .unwrap_or(Timestamp::Off),
+        )
         .init()?;
-    let args = Args::parse();
 
     let mut boms = vec![];