From 35c73a59f2a107fdcd9e32b8a728a95e25fa9aa6 Mon Sep 17 00:00:00 2001
From: Ionut Mihalcea <ionut.mihalcea@arm.com>
Date: Wed, 13 Sep 2023 18:16:28 +0100
Subject: [PATCH] Fix MSRV-related issues

Fixing the MSRV in our CI involves making sure that the crate can build
under that version of the Rust compiler, given some choice of
dependencies that are also compatible with the MSRV. A major issue is
that many crates bump the MSRV in patch or minor releases that then get
picked up automatically if no lock file is present.

This commit adds a lock file for our current MSRV, and pins the MSRV for
clippy as well.

Signed-off-by: Ionut Mihalcea <ionut.mihalcea@arm.com>
---
 .clippy.toml                              |   1 +
 tss-esapi/tests/Cargo.lock.frozen         | 836 ++++++++++++++++++++++
 tss-esapi/tests/all-ubuntu.sh             |   3 +
 tss-esapi/tests/integration_tests/main.rs |   1 -
 4 files changed, 840 insertions(+), 1 deletion(-)
 create mode 100644 .clippy.toml
 create mode 100644 tss-esapi/tests/Cargo.lock.frozen

diff --git a/.clippy.toml b/.clippy.toml
new file mode 100644
index 00000000..16caf02e
--- /dev/null
+++ b/.clippy.toml
@@ -0,0 +1 @@
+msrv = "1.60.0"
diff --git a/tss-esapi/tests/Cargo.lock.frozen b/tss-esapi/tests/Cargo.lock.frozen
new file mode 100644
index 00000000..cfa6ba10
--- /dev/null
+++ b/tss-esapi/tests/Cargo.lock.frozen
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diff --git a/tss-esapi/tests/all-ubuntu.sh b/tss-esapi/tests/all-ubuntu.sh
index 80152996..418f473d 100755
--- a/tss-esapi/tests/all-ubuntu.sh
+++ b/tss-esapi/tests/all-ubuntu.sh
@@ -15,6 +15,9 @@ set -euf -o pipefail
 #################################################
 if [[ ! -z ${RUST_TOOLCHAIN_VERSION:+x} ]]; then
 	rustup override set ${RUST_TOOLCHAIN_VERSION}
+	# Use the frozen Cargo lock to prevent any drift from MSRV being upgraded
+	# underneath our feet.
+	cp tests/Cargo.lock.frozen ../Cargo.lock
 fi
 
 #################################################
diff --git a/tss-esapi/tests/integration_tests/main.rs b/tss-esapi/tests/integration_tests/main.rs
index 209ebe93..a9ba418c 100644
--- a/tss-esapi/tests/integration_tests/main.rs
+++ b/tss-esapi/tests/integration_tests/main.rs
@@ -1,6 +1,5 @@
 // Copyright 2021 Contributors to the Parsec project.
 // SPDX-License-Identifier: Apache-2.0
-#![allow(clippy::uninlined_format_args)]
 
 #[path = "common/mod.rs"]
 mod common;