1 files changed, 44 insertions, 0 deletions
diff --git a/scripts/check-minimal-versions.sh b/scripts/check-minimal-versions.sh
new file mode 100755
index 0000000..6c7fa7b
--- /dev/null
+++ b/scripts/check-minimal-versions.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Check all public crates with minimal version dependencies.
+#
+# Usage:
+#    bash scripts/check-minimal-versions.sh
+#
+# Note:
+# - This script modifies Cargo.toml and Cargo.lock while running
+# - This script exits with 1 if there are any unstaged changes
+# - This script requires nightly Rust and cargo-hack
+#
+# Refs: https://github.com/rust-lang/cargo/issues/5657
+
+set -euo pipefail
+
+cd "$(cd "$(dirname "${0}")" && pwd)"/..
+
+if [[ "${1:-none}" == "+"* ]]; then
+    toolchain="${1}"
+elif [[ "${CI:-false}" != "true" ]]; then
+    cargo +nightly -V >/dev/null || exit 1
+    toolchain="+nightly"
+fi
+
+if [[ "${toolchain:-+nightly}" != "+nightly"* ]] || ! cargo hack -V &>/dev/null; then
+    echo "error: check-minimal-versions.sh requires nightly Rust and cargo-hack"
+    exit 1
+fi
+
+# This script modifies Cargo.toml and Cargo.lock, so make sure there are no
+# unstaged changes.
+git diff --exit-code
+# Restore original Cargo.toml and Cargo.lock on exit.
+trap 'git checkout .' EXIT
+
+# Remove dev-dependencies from Cargo.toml to prevent the next `cargo update`
+# from determining minimal versions based on dev-dependencies.
+cargo hack --remove-dev-deps --workspace
+
+# Update Cargo.lock to minimal version dependencies.
+cargo ${toolchain:-} update -Zminimal-versions
+# Run check for all public members of the workspace.
+cargo ${toolchain:-} hack check --workspace --all-features --ignore-private -Zfeatures=all