wip

Author: taiki-e

src/rustup.rs

@@ -66,6 +66,16 @@ pub(crate) fn version_range(
             cargo::minor_version(cmd!("cargo", "+stable"))?
         }
         Some(end) => {
+            let end = match end.strip_prefix('=') {
+                Some(end) => end,
+                None => {
+                    warn!(
+                        "using `..` for inclusive range is deprecated; consider using {}",
+                        range.replace("..", "..=")
+                    );
+                    end
+                }
+            };
             let end = end.parse()?;
             check(&end)?;
             end.minor

tests/test.rs

@@ -1318,14 +1318,22 @@ fn default_feature_behavior() {
 #[cfg_attr(windows, ignore)] // rustup bug: https://github.com/rust-lang/rustup/issues/3036
 #[test]
 fn version_range() {
-    cargo_hack(["check", "--version-range", "1.63..1.64"]).assert_success("real").stderr_contains(
+    cargo_hack(["check", "--version-range", "1.63..=1.64"]).assert_success("real").stderr_contains(
         "
         running `cargo +1.63 check` on real (1/2)
         running `cargo +1.64 check` on real (2/2)
         ",
     );
 
-    cargo_hack(["check", "--version-range", "1.63..1.64", "--target", TARGET])
+    cargo_hack(["check", "--version-range", "1.63..1.64"]).assert_failure("real").stderr_contains(
+        "
+        warning: using `..` for inclusive range is deprecated; consider using 1.63..=1.64
+        running `cargo +1.63 check` on real (1/2)
+        running `cargo +1.64 check` on real (2/2)
+        ",
+    );
+
+    cargo_hack(["check", "--version-range", "1.63..=1.64", "--target", TARGET])
         .assert_success("real")
         .stderr_contains(format!(
             "
@@ -1349,7 +1357,7 @@ fn multi_target() {
     cargo_hack([
         "check",
         "--version-range",
-        "1.63..1.64",
+        "1.63..=1.64",
         "--target",
         &format!("aarch64{target_suffix}"),
     ])
@@ -1364,7 +1372,7 @@ fn multi_target() {
     cargo_hack([
         "check",
         "--version-range",
-        "1.63..1.64",
+        "1.63..=1.64",
         "--target",
         &format!("x86_64{target_suffix}"),
         "--target",
@@ -1382,7 +1390,7 @@ fn multi_target() {
     cargo_hack([
         "check",
         "--version-range",
-        "1.63..1.64",
+        "1.63..=1.64",
         "--target",
         &format!("x86_64{target_suffix}"),
         "--target",