Allow to only analyze the root crate

cargo-geiger/src/args.rs

@@ -48,8 +48,7 @@ OPTIONS:
         --offline                 Run without accessing the network.
     -Z \"<FLAG>...\"                Unstable (nightly-only) flags to Cargo.
         --include-tests           Count unsafe usage in tests.
-        --build-dependencies      Also analyze build dependencies.
-        --dev-dependencies        Also analyze dev dependencies.
+        --no-dependencies         Analyze no dependencies.
         --all-dependencies        Analyze all dependencies, including build and
                                   dev.
         --forbid-only             Don't build or clean anything, only scan
@@ -105,8 +104,7 @@ impl Args {
             color: raw_args.opt_value_from_str("--color")?,
             deps_args: DepsArgs {
                 all_deps: raw_args.contains("--all-dependencies"),
-                build_deps: raw_args.contains("--build-dependencies"),
-                dev_deps: raw_args.contains("--dev-dependencies"),
+                no_deps: raw_args.contains("--no-dependencies"),
             },
             features_args: FeaturesArgs {
                 all_features: raw_args.contains("--all-features"),
@@ -209,8 +207,7 @@ impl Args {
 #[derive(Debug, Default)]
 pub struct DepsArgs {
     pub all_deps: bool,
-    pub build_deps: bool,
-    pub dev_deps: bool,
+    pub no_deps: bool,
 }
 
 #[derive(Debug, Default)]

cargo-geiger/src/format.rs

@@ -84,7 +84,7 @@ impl fmt::Display for FormatError {
 
 pub fn get_kind_group_name(dep_kind: DependencyKind) -> Option<&'static str> {
     match dep_kind {
-        DependencyKind::Build => Some("[build-dependencies]"),
+        DependencyKind::Build => None,
         DependencyKind::Development => Some("[dev-dependencies]"),
         DependencyKind::Normal => None,
         _ => panic!("Unrecognised Dependency Kind"),
@@ -115,10 +115,7 @@ mod format_tests {
 
     #[rstest]
     fn get_kind_group_name_test() {
-        assert_eq!(
-            get_kind_group_name(DependencyKind::Build),
-            Some("[build-dependencies]")
-        );
+        assert_eq!(get_kind_group_name(DependencyKind::Build), None);
 
         assert_eq!(
             get_kind_group_name(DependencyKind::Development),

cargo-geiger/src/format/table/handle_text_tree_line.rs

@@ -205,10 +205,7 @@ mod handle_text_tree_line_tests {
     #[rstest(
         input_dep_kind,
         expected_kind_group_name,
-        case(
-            DependencyKind::Build,
-            Some(String::from("[build-dependencies]"))
-        ),
+        case(DependencyKind::Build, None),
         case(
             DependencyKind::Development,
             Some(String::from("[dev-dependencies]"))

cargo-geiger/src/graph.rs

@@ -150,12 +150,10 @@ fn build_graph_prerequisites<'a>(
 ) -> (ExtraDeps, Option<&'a str>) {
     let extra_deps = if deps_args.all_deps {
         ExtraDeps::All
-    } else if deps_args.build_deps {
-        ExtraDeps::Build
-    } else if deps_args.dev_deps {
-        ExtraDeps::Dev
-    } else {
+    } else if deps_args.no_deps {
         ExtraDeps::NoMore
+    } else {
+        ExtraDeps::Build
     };
 
     let target = if target_args.all_targets {
@@ -211,34 +209,23 @@ mod graph_tests {
         case(
             DepsArgs {
                 all_deps: true,
-                build_deps: false,
-                dev_deps: false
+                no_deps: false,
             },
             ExtraDeps::All
         ),
         case(
             DepsArgs {
                 all_deps: false,
-                build_deps: true,
-                dev_deps: false
+                no_deps: true,
             },
-            ExtraDeps::Build
-        ),
-        case(
-            DepsArgs {
-                all_deps: false,
-                build_deps: false,
-                dev_deps: true
-            },
-            ExtraDeps::Dev
+            ExtraDeps::NoMore
         ),
         case(
             DepsArgs {
                 all_deps: false,
-                build_deps: false,
-                dev_deps: false
+                no_deps: false,
             },
-            ExtraDeps::NoMore
+            ExtraDeps::Build
         )
     )]
     fn build_graph_prerequisites_extra_deps_test(

cargo-geiger/src/graph/extra_deps.rs

@@ -4,7 +4,6 @@ use cargo_metadata::DependencyKind;
 pub enum ExtraDeps {
     All,
     Build,
-    Dev,
     NoMore,
 }
 
@@ -13,10 +12,10 @@ impl ExtraDeps {
     #[allow(clippy::match_like_matches_macro)]
     pub fn allows(&self, dependency_kind: DependencyKind) -> bool {
         match (self, dependency_kind) {
-            (_, DependencyKind::Normal) => true,
             (ExtraDeps::All, _) => true,
+            (ExtraDeps::NoMore, _) => false,
+            (_, DependencyKind::Normal) => true,
             (ExtraDeps::Build, DependencyKind::Build) => true,
-            (ExtraDeps::Dev, DependencyKind::Development) => true,
             _ => false,
         }
     }
@@ -33,14 +32,9 @@ mod extra_deps_tests {
         expected_allows,
         case(ExtraDeps::All, DependencyKind::Normal, true),
         case(ExtraDeps::Build, DependencyKind::Normal, true),
-        case(ExtraDeps::Dev, DependencyKind::Normal, true),
-        case(ExtraDeps::NoMore, DependencyKind::Normal, true),
+        case(ExtraDeps::NoMore, DependencyKind::Normal, false),
         case(ExtraDeps::All, DependencyKind::Build, true),
-        case(ExtraDeps::All, DependencyKind::Development, true),
         case(ExtraDeps::Build, DependencyKind::Build, true),
-        case(ExtraDeps::Build, DependencyKind::Development, false),
-        case(ExtraDeps::Dev, DependencyKind::Build, false),
-        case(ExtraDeps::Dev, DependencyKind::Development, true)
     )]
     fn extra_deps_allows_test(
         input_extra_deps: ExtraDeps,