Auto merge of #8565 - pawanbisht62:master, r=ehuss

cargo install with specific yanked version gives confusing "not found" error

Resolves #8171

Author: bors

src/cargo/ops/common_for_install_and_uninstall.rs

@@ -544,12 +544,29 @@ where
             let pkg = Box::new(source).download_now(pkgid, config)?;
             Ok(pkg)
         }
-        None => bail!(
-            "could not find `{}` in {} with version `{}`",
-            dep.package_name(),
-            source.source_id(),
-            dep.version_req(),
-        ),
+        None => {
+            let is_yanked: bool = if dep.version_req().is_exact() {
+                let version: String = dep.version_req().to_string();
+                PackageId::new(dep.package_name(), &version[1..], source.source_id())
+                    .map_or(false, |pkg_id| source.is_yanked(pkg_id).unwrap_or(false))
+            } else {
+                false
+            };
+            if is_yanked {
+                bail!(
+                    "cannot install package `{}`, it has been yanked from {}",
+                    dep.package_name(),
+                    source.source_id()
+                )
+            } else {
+                bail!(
+                    "could not find `{}` in {} with version `{}`",
+                    dep.package_name(),
+                    source.source_id(),
+                    dep.version_req(),
+                )
+            }
+        }
     }
 }
 

tests/testsuite/install.rs

@@ -5,15 +5,16 @@ use std::io::prelude::*;
 
 use cargo_test_support::cross_compile;
 use cargo_test_support::git;
-use cargo_test_support::install::{
-    assert_has_installed_exe, assert_has_not_installed_exe, cargo_home,
-};
-use cargo_test_support::paths;
 use cargo_test_support::registry::{registry_path, registry_url, Package};
 use cargo_test_support::{
     basic_manifest, cargo_process, no_such_file_err_msg, project, symlink_supported, t,
 };
 
+use cargo_test_support::install::{
+    assert_has_installed_exe, assert_has_not_installed_exe, cargo_home,
+};
+use cargo_test_support::paths;
+
 fn pkg(name: &str, vers: &str) {
     Package::new(name, vers)
         .file("src/lib.rs", "")
@@ -1555,3 +1556,15 @@ fn install_git_with_symlink_home() {
         )
         .run();
 }
+
+#[cargo_test]
+fn install_yanked_cargo_package() {
+    Package::new("baz", "0.0.1").yanked(true).publish();
+    cargo_process("install baz --version 0.0.1")
+        .with_status(101)
+        .with_stderr_contains(
+            "error: cannot install package `baz`, it has been yanked from registry \
+         `https://github.com/rust-lang/crates.io-index`",
+        )
+        .run();
+}

tests/testsuite/install_upgrade.rs

@@ -799,11 +799,9 @@ fn already_installed_updates_yank_status_on_upgrade() {
 
     cargo_process("install foo --version=1.0.1")
         .with_status(101)
-        .with_stderr(
-            "\
-[UPDATING] `[..]` index
-[ERROR] could not find `foo` in registry `[..]` with version `=1.0.1`
-",
+        .with_stderr_contains(
+            "error: cannot install package `foo`, it has been yanked from registry \
+            `https://github.com/rust-lang/crates.io-index`",
         )
         .run();