1 files changed, 58 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_cranelift/scripts/rustup.sh b/compiler/rustc_codegen_cranelift/scripts/rustup.sh
new file mode 100755
index 000000000..bc4c06ed7
--- /dev/null
+++ b/compiler/rustc_codegen_cranelift/scripts/rustup.sh
@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+set -e
+
+case $1 in
+    "prepare")
+        TOOLCHAIN=$(date +%Y-%m-%d)
+
+        echo "=> Installing new nightly"
+        rustup toolchain install --profile minimal "nightly-${TOOLCHAIN}" # Sanity check to see if the nightly exists
+        sed -i "s/\"nightly-.*\"/\"nightly-${TOOLCHAIN}\"/" rust-toolchain
+        rustup component add rustfmt || true
+
+        echo "=> Uninstalling all old nightlies"
+        for nightly in $(rustup toolchain list | grep nightly | grep -v "$TOOLCHAIN" | grep -v nightly-x86_64); do
+            rustup toolchain uninstall "$nightly"
+        done
+
+        ./clean_all.sh
+        ./y.rs prepare
+
+        (cd build_sysroot && cargo update)
+
+        ;;
+    "commit")
+        git add rust-toolchain build_sysroot/Cargo.lock
+        git commit -m "Rustup to $(rustc -V)"
+        ;;
+    "push")
+        cg_clif=$(pwd)
+        pushd ../rust
+        git pull origin master
+        branch=sync_cg_clif-$(date +%Y-%m-%d)
+        git checkout -b "$branch"
+        git subtree pull --prefix=compiler/rustc_codegen_cranelift/ https://github.com/bjorn3/rustc_codegen_cranelift.git master
+        git push -u my "$branch"
+
+        # immediately merge the merge commit into cg_clif to prevent merge conflicts when syncing
+        # from rust-lang/rust later
+        git subtree push --prefix=compiler/rustc_codegen_cranelift/ "$cg_clif" sync_from_rust
+        popd
+        git merge sync_from_rust
+	;;
+    "pull")
+        cg_clif=$(pwd)
+        pushd ../rust
+        git pull origin master
+        rust_vers="$(git rev-parse HEAD)"
+        git subtree push --prefix=compiler/rustc_codegen_cranelift/ "$cg_clif" sync_from_rust
+        popd
+        git merge sync_from_rust -m "Sync from rust $rust_vers"
+        git branch -d sync_from_rust
+        ;;
+    *)
+        echo "Unknown command '$1'"
+        echo "Usage: ./rustup.sh prepare|commit"
+        ;;
+esac