stash: allow controlling verbosity from the command line

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I6a6a69641d5d727b1d95f8c9e2b851b3a194315a

Cargo.lock

@@ -225,6 +225,16 @@ dependencies = [
  "clap_derive",
 ]
 
+[[package]]
+name = "clap-verbosity-flag"
+version = "3.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eeab6a5cdfc795a05538422012f20a5496f050223c91be4e5420bfd13c641fb1"
+dependencies = [
+ "clap",
+ "log",
+]
+
 [[package]]
 name = "clap_builder"
 version = "4.5.44"
@@ -1192,6 +1202,7 @@ name = "stash"
 version = "0.1.0"
 dependencies = [
  "clap",
+ "clap-verbosity-flag",
  "dirs",
  "env_logger",
  "image",

Cargo.toml

@@ -17,3 +17,4 @@ rmp-serde = "1.3.0"
 image = "0.25.6"
 log = "0.4.27"
 env_logger = "0.11.8"
+clap-verbosity-flag = "3.0.3"

src/main.rs

@@ -37,6 +37,9 @@ struct Cli {
 
     #[arg(long)]
     db_path: Option<PathBuf>,
+
+    #[command(flatten)]
+    verbosity: clap_verbosity_flag::Verbosity,
 }
 
 #[derive(Subcommand)]
@@ -73,8 +76,11 @@ enum Command {
 }
 
 fn main() {
-    env_logger::init();
     let cli = Cli::parse();
+    env_logger::Builder::new()
+        .filter_level(cli.verbosity.into())
+        .init();
+
     let db_path = cli.db_path.unwrap_or_else(|| {
         dirs::cache_dir()
             .unwrap_or_else(|| PathBuf::from("/tmp"))