Collect and upload PEP 740 attestations during uv publish

Cargo.toml

@@ -109,6 +109,7 @@ dunce = { version = "1.0.5" }
 either = { version = "1.13.0" }
 encoding_rs_io = { version = "0.1.7" }
 etcetera = { version = "0.11.0" }
+fastrand = { version = "2.3.0" }
 flate2 = { version = "1.0.33", default-features = false, features = ["zlib-rs"] }
 fs-err = { version = "3.0.0", features = ["tokio"] }
 futures = { version = "0.3.30" }

crates/uv-cli/src/lib.rs

@@ -7147,6 +7147,13 @@ pub struct PublishArgs {
     /// and will perform validation against the index if supported, but will not upload any files.
     #[arg(long)]
     pub dry_run: bool,
+
+    /// Do not upload attestations for the published files.
+    ///
+    /// By default, uv attempts to upload matching PEP 740 attestations with each distribution
+    /// that is published.
+    #[arg(long, env = EnvVars::UV_PUBLISH_NO_ATTESTATIONS)]
+    pub no_attestations: bool,
 }
 
 #[derive(Args)]

crates/uv-keyring/Cargo.toml

@@ -46,7 +46,7 @@ zeroize = { workspace = true }
 [dev-dependencies]
 doc-comment = "0.3"
 env_logger = "0.11.5"
-fastrand = "2"
+fastrand = { workspace = true }
 
 [package.metadata.docs.rs]
 default-target = "x86_64-unknown-linux-gnu"

crates/uv-publish/Cargo.toml

@@ -50,6 +50,7 @@ url = { workspace = true }
 
 [dev-dependencies]
 insta = { workspace = true }
+fastrand = { workspace = true }
 
 [features]
 # Test only feature to enable non-HTTPS URL handling