chore(just): add library and Rust version checks

scripts/cargo.just

@@ -1,3 +1,13 @@
+import "common.just"
+
+# Return an error if the system does not contain the minimum required Rust version.
+min-rust-version := '>=' + `grep rust-version Cargo.toml | cut -d' ' -f3 | cut -c 2-7`
+rust-version-check := if semver_matches(`rustc --version | cut -c 7-12`, min-rust-version) == "false" {
+    error('Requires rustc version ' + min-rust-version)
+} else {
+    "passed"
+}
+
 cargo-target-dir := env('CARGO_TARGET_DIR', 'target')
 
 # Use mold linker if clang and mold exists.
@@ -17,6 +27,7 @@ linker-arg := if clang-path != '' {
 export RUSTFLAGS := linker-arg + env_var_or_default('RUSTFLAGS', '')
 
 # Compile with debug profile
+[no-cd]
 build-debug *args:
     cargo build {{args}}
 
@@ -34,10 +45,12 @@ check *args:
 check-json: (check '--message-format=json')
 
 # Remove Cargo build artifacts
+[no-cd]
 clean:
     cargo clean
 
 # Also remove .cargo and vendored dependencies
+[no-cd]
 clean-dist: clean
     rm -rf .cargo vendor vendor.tar target
 
@@ -49,8 +62,17 @@ run *args:
 test *args:
     cargo test {{args}}
 
+# Vendor Cargo dependencies locally
+[no-cd]
+vendor:
+    mkdir -p .cargo
+    cargo vendor | head -n -1 > .cargo/config
+    echo 'directory = "vendor"' >> .cargo/config
+    tar pcf vendor.tar vendor
+    rm -rf vendor
+
 # Extracts vendored dependencies
-[private]
+[no-cd, private]
 vendor-extract:
     rm -rf vendor
     tar pxf vendor.tar