update rust version

2026-10-10 23:34:10 +02:00
1 parent 17f1de681e
commit af78f6528c
@@ -0,0 +1,136 @@
+#!/usr/bin/env bash
+# Offline simulation of rustup installation/selection; no Rust or network required.
+set -Eeuo pipefail
+ROOT=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
+WORK=$(mktemp -d)
+trap 'rm -rf "$WORK"' EXIT
+mkdir -p "$WORK/bin" "$WORK/source" "$WORK/state"
+cat > "$WORK/bin/rustup" <<'MOCK'
+#!/usr/bin/env bash
+set -Eeuo pipefail
+state=${MOCK_RUSTUP_STATE:?}
+case "$1" in
+  run)
+    channel=$2
+    [[ -r "$state/$channel.version" ]] || exit 1
+    printf 'rustc %s (mock)\n' "$(cat "$state/$channel.version")"
+    ;;
+  toolchain)
+    [[ "$2" == install ]] || exit 7
+    channel=$3
+    [[ ${MOCK_INSTALL_FAIL:-0} != 1 ]] || exit 9
+    case "$channel" in
+      stable) version=${MOCK_NEW_STABLE:-1.100.0} ;;
+      *) case "$channel" in *.*.*) version=$channel ;; *) version=${channel}.0 ;; esac ;;
+    esac
+    echo "$version" > "$state/$channel.version"
+    printf 'install %s\n' "$channel" >> "$state/calls"
+    ;;
+  target)
+    action=$2
+    if [[ "$action" == list ]]; then
+      [[ "$3" == --toolchain && "$5" == --installed ]] || exit 7
+      [[ -f "$state/$4.target" ]] && cat "$state/$4.target"
+    elif [[ "$action" == add ]]; then
+      [[ "$4" == --toolchain ]] || exit 7
+      echo "$3" > "$state/$5.target"
+      printf 'target %s %s\n' "$5" "$3" >> "$state/calls"
+    else exit 7
+    fi
+    ;;
+  *) printf 'Unexpected rustup arguments: %s\n' "$*" >&2; exit 7 ;;
+esac
+MOCK
+chmod +x "$WORK/bin/rustup"
+export PATH="$WORK/bin:$PATH" MOCK_RUSTUP_STATE="$WORK/state" TOML_PYTHON=python3
+TOOL="$ROOT/scripts/ensure-rust-toolchain.sh"
+reset_state() { rm -f "$WORK/state/"*; }
+manifest() { printf '[package]\nname = "rust-proxy"\nversion = "0.31.2"\nrust-version = "%s"\n' "$1" > "$WORK/source/Cargo.toml"; rm -f "$WORK/source/rust-toolchain" "$WORK/source/rust-toolchain.toml"; }
+
+# No update or download when installed stable already satisfies the manifest.
+reset_state
+manifest 1.99
+printf '1.100.0\n' > "$WORK/state/stable.version"
+result=$($TOOL "$WORK/source" linux)
+[[ "$result" == stable ]]
+[[ ! -e "$WORK/state/calls" ]]
+
+# Upgrade stable only when too old, then reuse it on subsequent checks.
+reset_state
+printf '1.98.1\n' > "$WORK/state/stable.version"
+result=$($TOOL "$WORK/source" linux)
+[[ "$result" == stable ]]
+grep -Fqx 'install stable' "$WORK/state/calls"
+[[ $($TOOL "$WORK/source" linux) == stable ]]
+[[ $(wc -l < "$WORK/state/calls") == 1 ]]
+
+# FreeBSD default 1.88 is auto raised to the project's 1.99 MSRV with its own target.
+reset_state
+result=$(FREEBSD_RUST_TOOLCHAIN=1.88.0 "$TOOL" "$WORK/source" freebsd)
+[[ "$result" == 1.99 ]]
+grep -Fqx 'install 1.99' "$WORK/state/calls"
+grep -Fqx 'target 1.99 x86_64-unknown-freebsd' "$WORK/state/calls"
+[[ $(FREEBSD_RUST_TOOLCHAIN=1.88.0 "$TOOL" "$WORK/source" freebsd) == 1.99 ]]
+[[ $(wc -l < "$WORK/state/calls") == 2 ]]
+
+# A deliberate rust-toolchain.toml pin is respected; do not silently override it.
+reset_state
+cat > "$WORK/source/rust-toolchain.toml" <<'PIN'
+[toolchain]
+channel = "1.98.0"
+PIN
+if "$TOOL" "$WORK/source" linux >/dev/null 2>&1; then
+  printf 'An incompatible explicit pin should have failed\n' >&2
+  exit 1
+fi
+[[ ! -e "$WORK/state/calls" ]] || { echo 'Should not install an incompatible pin' >&2; exit 1; }
+rm "$WORK/source/rust-toolchain.toml"
+
+# Pin that meets the project requirement is installed without changing stable.
+reset_state
+cat > "$WORK/source/rust-toolchain.toml" <<'PIN'
+[toolchain]
+channel = "1.99.0"
+PIN
+[[ $($TOOL "$WORK/source" linux) == 1.99.0 ]]
+grep -Fqx 'install 1.99.0' "$WORK/state/calls"
+rm "$WORK/source/rust-toolchain.toml"
+
+# RustProxy-like rust-toolchain.toml (stable) also upgrades stale stable for FreeBSD.
+reset_state
+manifest 1.99
+cat > "$WORK/source/rust-toolchain.toml" <<'PIN'
+[toolchain]
+channel = "stable"
+profile = "minimal"
+components = ["rustfmt", "clippy"]
+PIN
+printf '1.98.1\n' > "$WORK/state/stable.version"
+[[ $(FREEBSD_RUST_TOOLCHAIN=1.88.0 "$TOOL" "$WORK/source" freebsd) == stable ]]
+grep -Fqx 'install stable' "$WORK/state/calls"
+grep -Fqx 'target stable x86_64-unknown-freebsd' "$WORK/state/calls"
+rm "$WORK/source/rust-toolchain.toml"
+
+# Workspace-inherited rust-version is resolved through TOML, not grep.
+reset_state
+cat > "$WORK/source/Cargo.toml" <<'MANIFEST'
+[workspace.package]
+rust-version = "1.99"
+[package]
+name = "rust-proxy"
+version = "0.31.2"
+rust-version = { workspace = true }
+MANIFEST
+printf '1.100.0\n' > "$WORK/state/stable.version"
+[[ $($TOOL "$WORK/source" linux) == stable ]]
+
+# An unavailable upgrade must be a hard failure.
+reset_state
+manifest 1.99
+printf '1.98.1\n' > "$WORK/state/stable.version"
+if MOCK_INSTALL_FAIL=1 "$TOOL" "$WORK/source" linux >/dev/null 2>&1; then
+  printf 'A failed rustup update should abort the build\n' >&2
+  exit 1
+fi
+
+echo 'Rust toolchain selection: 8 offline scenarios OK'