fix(publish): Don't tell people to ctrl-c without knowing consequences

Fixes #15005

src/cargo/ops/registry/publish.rs

@@ -272,11 +272,20 @@ pub fn publish(ws: &Workspace<'_>, opts: &PublishOpts<'_>) -> CargoResult<()> {
             if 0 < timeout {
                 let source_description = source.source_id().to_string();
                 let short_pkg_descriptions = package_list(to_confirm.iter().copied(), "or");
-                opts.gctx.shell().note(format!(
+                if plan.is_empty() {
+                    opts.gctx.shell().note(format!(
                     "waiting for {short_pkg_descriptions} to be available at {source_description}.\n\
                     You may press ctrl-c to skip waiting; the {crate} should be available shortly.",
                     crate = if to_confirm.len() == 1 { "crate" } else {"crates"}
                 ))?;
+                } else {
+                    opts.gctx.shell().note(format!(
+                    "waiting for {short_pkg_descriptions} to be available at {source_description}.\n\
+                    {count} remaining {crate} to be published",
+                    count = plan.len(),
+                    crate = if plan.len() == 1 { "crate" } else {"crates"}
+                ))?;
+                }
 
                 let timeout = Duration::from_secs(timeout);
                 let confirmed = wait_for_any_publish_confirmation(
@@ -696,6 +705,10 @@ impl PublishPlan {
         self.dependencies_count.is_empty()
     }
 
+    fn len(&self) -> usize {
+        self.dependencies_count.len()
+    }
+
     /// Returns the set of packages that are ready for publishing (i.e. have no outstanding dependencies).
     ///
     /// These will not be returned in future calls.

tests/testsuite/publish.rs

@@ -3388,7 +3388,7 @@ See https://doc.rust-lang.org/cargo/reference/manifest.html#package-metadata for
 [UPLOADING] dep v0.0.1 ([ROOT]/foo/dep)
 [UPLOADED] dep v0.0.1 to registry `crates-io`
 [NOTE] waiting for dep v0.0.1 to be available at registry `crates-io`.
-You may press ctrl-c to skip waiting; the crate should be available shortly.
+2 remaining crates to be published
 [WARNING] timed out waiting for dep v0.0.1 to be available in registry `crates-io`
 [NOTE] the registry may have a backlog that is delaying making the crate available. The crate should be available soon.
 [ERROR] unable to publish main v0.0.1 and other v0.0.1 due to time out while waiting for published dependencies to be available.
@@ -3785,12 +3785,12 @@ fn workspace_with_local_deps_nightly() {
 [UPLOADING] level3 v0.0.1 ([ROOT]/foo/level3)
 [UPLOADED] level3 v0.0.1 to registry `crates-io`
 [NOTE] waiting for level3 v0.0.1 to be available at registry `crates-io`.
-You may press ctrl-c to skip waiting; the crate should be available shortly.
+2 remaining crates to be published
 [PUBLISHED] level3 v0.0.1 at registry `crates-io`
 [UPLOADING] level2 v0.0.1 ([ROOT]/foo/level2)
 [UPLOADED] level2 v0.0.1 to registry `crates-io`
 [NOTE] waiting for level2 v0.0.1 to be available at registry `crates-io`.
-You may press ctrl-c to skip waiting; the crate should be available shortly.
+1 remaining crate to be published
 [PUBLISHED] level2 v0.0.1 at registry `crates-io`
 [UPLOADING] level1 v0.0.1 ([ROOT]/foo/level1)
 [UPLOADED] level1 v0.0.1 to registry `crates-io`
@@ -3890,7 +3890,7 @@ fn workspace_parallel() {
 [UPLOADED] b v0.0.1 to registry `crates-io`
 [UPLOADED] a v0.0.1 to registry `crates-io`
 [NOTE] waiting for a v0.0.1 or b v0.0.1 to be available at registry `crates-io`.
-You may press ctrl-c to skip waiting; the crates should be available shortly.
+1 remaining crate to be published
 [PUBLISHED] a v0.0.1 and b v0.0.1 at registry `crates-io`
 [UPLOADING] c v0.0.1 ([ROOT]/foo/c)
 [UPLOADED] c v0.0.1 to registry `crates-io`