feat: Add logger support

Cargo.toml

@@ -78,6 +78,9 @@ toml_edit = "0.22.22"
 indexmap = "2"
 url = "2.5.4"
 pathdiff = "0.2"
+env_logger = "0.11.8"
+clap-verbosity-flag = "3.0.2"
+log = "0.4.27"
 
 [dependencies.semver]
 features = ["serde"]

README.md

@@ -74,12 +74,13 @@ Upgrade dependency version requirements in Cargo.toml manifest files
 Usage: cargo upgrade [OPTIONS]
 
 Options:
-      --dry-run               Print changes to be made without making them
+  -n, --dry-run               Print changes to be made without making them
       --manifest-path <PATH>  Path to the manifest to upgrade
       --rust-version <VER>    Override `rust-version`
       --ignore-rust-version   Ignore `rust-version` specification in packages
       --locked                Require `Cargo.toml` to be up to date
-  -v, --verbose...            Use verbose output
+  -v, --verbose...            Increase logging verbosity
+  -q, --quiet...              Decrease logging verbosity
   -Z <FLAG>                   Unstable (nightly-only) flags
   -h, --help                  Print help
   -V, --version               Print version
@@ -132,10 +133,12 @@ Options:
   -p, --package <PKGID>       Package id of the crate to change the version of
       --all                   [deprecated in favor of `--workspace`]
       --workspace             Modify all packages in the workspace
-      --dry-run               Print changes to be made without making them
+  -n, --dry-run               Print changes to be made without making them
       --exclude <EXCLUDE>     Crates to exclude and not modify
       --offline               Run without accessing the network
       --locked                Require `Cargo.toml` to be up to date
+  -v, --verbose...            Increase logging verbosity
+  -q, --quiet...              Decrease logging verbosity
   -Z <FLAG>                   Unstable (nightly-only) flags
   -h, --help                  Print help
   -V, --version               Print version

src/bin/set-version/set_version.rs

@@ -53,7 +53,7 @@ pub struct VersionArgs {
     workspace: bool,
 
     /// Print changes to be made without making them.
-    #[arg(long)]
+    #[arg(long, short = 'n')]
     dry_run: bool,
 
     /// Crates to exclude and not modify.
@@ -68,6 +68,9 @@ pub struct VersionArgs {
     #[arg(long)]
     locked: bool,
 
+    #[command(flatten)]
+    verbose: clap_verbosity_flag::Verbosity,
+
     /// Unstable (nightly-only) flags
     #[arg(short = 'Z', value_name = "FLAG", global = true, value_enum)]
     unstable_features: Vec<UnstableOptions>,
@@ -85,6 +88,10 @@ enum UnstableOptions {}
 /// Main processing function. Allows us to return a `Result` so that `main` can print pretty error
 /// messages.
 fn exec(args: VersionArgs) -> CargoResult<()> {
+    env_logger::Builder::from_env("CARGO_LOG")
+        .filter_level(args.verbose.log_level_filter())
+        .init();
+
     let VersionArgs {
         target,
         bump,
@@ -97,6 +104,7 @@ fn exec(args: VersionArgs) -> CargoResult<()> {
         exclude,
         locked,
         offline,
+        verbose: _,
         unstable_features: _,
     } = args;
 

src/bin/upgrade/upgrade.rs

@@ -19,7 +19,7 @@ use termcolor::{Color, ColorSpec};
 #[command(version)]
 pub struct UpgradeArgs {
     /// Print changes to be made without making them.
-    #[arg(long)]
+    #[arg(long, short = 'n')]
     dry_run: bool,
 
     /// Path to the manifest to upgrade
@@ -38,9 +38,8 @@ pub struct UpgradeArgs {
     #[arg(long)]
     locked: bool,
 
-    /// Use verbose output
-    #[arg(short, long, action = clap::ArgAction::Count)]
-    verbose: u8,
+    #[command(flatten)]
+    verbose: clap_verbosity_flag::Verbosity,
 
     /// Unstable (nightly-only) flags
     #[arg(short = 'Z', value_name = "FLAG", global = true, value_enum)]
@@ -117,8 +116,19 @@ impl UpgradeArgs {
         exec(self)
     }
 
+    fn verbose_num(&self) -> i8 {
+        match self.verbose.filter() {
+            clap_verbosity_flag::VerbosityFilter::Off => -1,
+            clap_verbosity_flag::VerbosityFilter::Error => 0,
+            clap_verbosity_flag::VerbosityFilter::Warn => 1,
+            clap_verbosity_flag::VerbosityFilter::Info => 2,
+            clap_verbosity_flag::VerbosityFilter::Debug => 3,
+            clap_verbosity_flag::VerbosityFilter::Trace => 4,
+        }
+    }
+
     fn is_verbose(&self) -> bool {
-        0 < self.verbose
+        0 < self.verbose_num()
     }
 
     fn verbose<F>(&self, mut callback: F) -> CargoResult<()>
@@ -156,6 +166,10 @@ enum UnstableOptions {}
 /// Main processing function. Allows us to return a `Result` so that `main` can print pretty error
 /// messages.
 fn exec(args: UpgradeArgs) -> CargoResult<()> {
+    env_logger::Builder::from_env("CARGO_LOG")
+        .filter_level(args.verbose.log_level_filter())
+        .init();
+
     let offline = false;
     let mut index = IndexCache::new(CertsSource::Native);
 
@@ -437,7 +451,7 @@ fn exec(args: UpgradeArgs) -> CargoResult<()> {
         if !table.is_empty() {
             let (interesting, uninteresting) = table
                 .into_iter()
-                .partition::<Vec<_>, _>(|d| d.show_for(args.verbose));
+                .partition::<Vec<_>, _>(|d| d.show_for(args.verbose_num()));
             print_upgrade(interesting)?;
             uninteresting_crates.extend(uninteresting);
         }
@@ -796,7 +810,7 @@ impl Dep {
         spec
     }
 
-    fn show_for(&self, verbosity: u8) -> bool {
+    fn show_for(&self, verbosity: i8) -> bool {
         if 2 <= verbosity {
             return true;
         }

src/index.rs

@@ -186,6 +186,7 @@ struct RemoteIndex {
 
 impl RemoteIndex {
     fn open(url: &Url, certs_source: CertsSource) -> CargoResult<Self> {
+        log::trace!("opening index entry for {url}");
         let url = url.to_string();
         let url = tame_index::IndexUrl::NonCratesIo(std::borrow::Cow::Owned(url));
         let index = tame_index::SparseIndex::new(tame_index::IndexLocation::new(url))?;
@@ -212,6 +213,7 @@ impl RemoteIndex {
     }
 
     fn krate(&mut self, name: &str) -> CargoResult<Option<IndexKrate>> {
+        log::trace!("krate {name}");
         let etag = self
             .etags
             .iter()