feat: add a linkage checker subcommand

cargo-dist/Cargo.toml

@@ -53,6 +53,8 @@ include_dir = "0.7.3"
 itertools = "0.11.0"
 cargo-wix = "0.3.7"
 uuid = { version = "1", features = ["v4"] }
+mach_object = "0.1"
+goblin = "0.7.1"
 
 [dev-dependencies]
 insta = { version = "1.26.0", features = ["filters"] }

cargo-dist/src/cli.rs

@@ -128,6 +128,9 @@ pub enum Commands {
     #[clap(disable_version_flag = true)]
     #[clap(hide = true)]
     GenerateCi(GenerateCiArgs),
+    /// Report on the dynamic libraries used by the built artifacts.
+    #[clap(disable_version_flag = true)]
+    Linkage(LinkageArgs),
     /// Generate the final build manifest without running any builds.
     ///
     /// This command is designed to match the exact behaviour of
@@ -278,6 +281,21 @@ pub struct GenerateCiArgs {
     #[clap(default_value_t = false)]
     pub check: bool,
 }
+#[derive(Args, Clone, Debug)]
+pub struct LinkageArgs {
+    /// Print human-readable output
+    #[clap(long)]
+    #[clap(default_value_t = false)]
+    pub print_output: bool,
+    /// Print output as JSON
+    #[clap(long)]
+    #[clap(default_value_t = false)]
+    pub print_json: bool,
+    #[clap(long)]
+    #[clap(hide = true)]
+    #[clap(default_value = "")]
+    pub artifacts: String,
+}
 
 #[derive(Args, Clone, Debug)]
 pub struct HelpMarkdownArgs {}

cargo-dist/src/errors.rs

@@ -240,6 +240,21 @@ pub enum DistError {
         /// Name of the msi
         style: String,
     },
+    /// Linkage report can't be run for this combination of OS and target
+    #[error("unable to run linkage report for {target} on {host}")]
+    LinkageCheckInvalidOS {
+        /// The OS the check was run on
+        host: String,
+        /// The OS being checked
+        target: String,
+    },
+    /// Linkage report can't be run for this target
+    #[error("unable to run linkage report for this type of binary")]
+    LinkageCheckUnsupportedBinary {},
+
+    /// random i/o error
+    #[error(transparent)]
+    Goblin(#[from] goblin::error::Error),
 }
 
 impl From<minijinja::Error> for DistError {