wip

README.md

@@ -44,7 +44,7 @@ To check all crates with minimal version dependencies:
 cargo minimal-versions check --workspace
 ```
 
-**Note**: ([If cargo-minimal-versions determines that it is necessary to do so for a correct minimal versions check](#details),) cargo-minimal-versions modifies `Cargo.toml` and `Cargo.lock` while running and restores it when finished. Any changes you made to those files during running will not be preserved.
+**Note:** ([If cargo-minimal-versions determines that it is necessary to do so for a correct minimal versions check](#details),) cargo-minimal-versions modifies `Cargo.toml` and `Cargo.lock` while running and restores it when finished. Any changes you made to those files during running will not be preserved.
 
 Normally, crates with `publish = false` do not need minimal versions check. You can skip these crates by using `--ignore-private` flag.
 
@@ -78,14 +78,14 @@ See [#6](https://github.com/taiki-e/cargo-minimal-versions/issues/6) for the rem
 <!-- omit in toc -->
 ### Prerequisites
 
-cargo-minimal-versions requires nightly
-toolchain (to run `cargo update -Z minimal-versions`) and [cargo-hack] (to run `cargo check` & `cargo build` proper):
+cargo-minimal-versions requires [cargo-hack] (to run `cargo check` & `cargo build` proper):
 
 ```sh
-rustup toolchain add nightly
 cargo install cargo-hack
 ```
 
+cargo-minimal-versions also requires nightly toolchain (to run `cargo update -Z minimal-versions`), but this will be installed automatically if it is not already installed.
+
 <!-- omit in toc -->
 ### From source
 

src/cli.rs

@@ -25,6 +25,7 @@ pub(crate) struct Args {
     pub(crate) manifest_path: Option<Utf8PathBuf>,
     pub(crate) workspace: bool,
     pub(crate) detach_path_deps: bool,
+    pub(crate) ignore_private: bool,
     pub(crate) cargo_args: Vec<String>,
     pub(crate) rest: Vec<String>,
 }
@@ -39,7 +40,7 @@ pub(crate) enum Subcommand {
 
 impl Subcommand {
     fn new(s: &str) -> Self {
-        // https://github.com/rust-lang/cargo/blob/3bc0e6d83f7f5da0161ce445f8864b0b639776a9/src/bin/cargo/main.rs#L50-L58
+        // https://github.com/rust-lang/cargo/blob/0.62.0/src/bin/cargo/main.rs#L48-L56
         match s {
             "b" | "build" | "c" | "check" | "r" | "run" => Self::Builtin(s.to_owned()),
             "t" | "test" | "bench" => Self::BuiltinDev(s.to_owned()),
@@ -66,7 +67,7 @@ impl Args {
         const SUBCMD: &str = "minimal-versions";
 
         // rustc/cargo args must be valid Unicode
-        // https://github.com/rust-lang/rust/blob/3bc9dd0dd293ab82945e35888ed6d7ab802761ef/compiler/rustc_driver/src/lib.rs#L1365-L1375
+        // https://github.com/rust-lang/rust/blob/1.61.0/compiler/rustc_driver/src/lib.rs#L1321-L1331
         fn handle_args(
             args: impl IntoIterator<Item = impl Into<OsString>>,
         ) -> impl Iterator<Item = Result<String>> {
@@ -100,6 +101,7 @@ impl Args {
         let mut manifest_path: Option<Utf8PathBuf> = None;
         let mut verbose = 0;
         let mut workspace = false;
+        let mut ignore_private = false;
         let mut detach_path_deps = false;
 
         let mut parser = lexopt::Parser::from_args(args);
@@ -126,6 +128,7 @@ impl Args {
                 Long("manifest-path") => parse_opt!(manifest_path),
                 Short('v') | Long("verbose") => verbose += 1,
                 Long("workspace") | Long("all") => workspace = true,
+                Long("ignore-private") => ignore_private = true,
                 Long("detach-path-deps") => parse_flag!(detach_path_deps),
 
                 // cargo-hack flags
@@ -192,7 +195,15 @@ impl Args {
             cargo_args.push(path.as_str().to_owned());
         }
 
-        Ok(Self { subcommand, manifest_path, workspace, detach_path_deps, cargo_args, rest })
+        Ok(Self {
+            subcommand,
+            manifest_path,
+            workspace,
+            ignore_private,
+            detach_path_deps,
+            cargo_args,
+            rest,
+        })
     }
 }
 

src/restore.rs

@@ -1,4 +1,4 @@
-// Adapted from https://github.com/taiki-e/cargo-hack/blob/e44b71139c29a6c358d73d1fbd4f31c06bc0a901/src/restore.rs
+// Adapted from https://github.com/taiki-e/cargo-hack/blob/v0.5.7/src/restore.rs
 
 use std::{
     mem,