diff --git a/justfile b/justfile
index 54bbeed..1e44fe8 100644
--- a/justfile
+++ b/justfile
@@ -1,3 +1,5 @@
+set positional-arguments
+
 default:
   @just --list
 
@@ -11,8 +13,31 @@ check:
 
 # Lint everything.
 lint:
-  cargo clippy --workspace --all-targets --all-features -- --deny warnings
+  cargo +$(cat ./nightly-version) clippy --workspace --all-targets --all-features -- --deny warnings
+  # lint warnings get inhibited unless we use `--nocapture`
+  cargo test --quiet --workspace --doc -- --nocapture
+
+# Run cargo fmt
+fmt:
+  cargo +$(cat ./nightly-version) fmt --all
 
 # Check the formatting
 format:
-  cargo +nightly fmt --all --check
+  cargo +$(cat ./nightly-version) fmt --all --check
+
+# Generate documentation.
+docsrs *flags:
+  RUSTDOCFLAGS="--cfg docsrs -D warnings -D rustdoc::broken-intra-doc-links" cargo +$(cat ./nightly-version) doc --all-features {{flags}}
+
+# Quick and dirty CI useful for pre-push checks.
+sane: lint
+  cargo test --quiet --workspace --all-targets --no-default-features > /dev/null || exit 1
+  cargo test --quiet --workspace --all-targets > /dev/null || exit 1
+  cargo test --quiet --workspace --all-targets --all-features > /dev/null || exit 1
+
+  # Make an attempt to catch feature gate problems in doctests
+  cargo test --manifest-path bitcoin/Cargo.toml --doc --no-default-features > /dev/null || exit 1
+
+# Update the recent and minimal lock files.
+update-lock-files:
+  contrib/update-lock-files.sh