From 7a62380fc8f8ca39bc49b8f67a4d4929911cb036 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= <matthias.krueger@famsik.de>
Date: Tue, 9 Jun 2020 13:18:00 +0200
Subject: [PATCH] clippy-driver: fix test and add --rustc to --help output

---
 .github/driver.sh | 6 ++++--
 src/driver.rs     | 1 +
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/driver.sh b/.github/driver.sh
index f8139f36369c..2c17c4203ae5 100644
--- a/.github/driver.sh
+++ b/.github/driver.sh
@@ -31,9 +31,11 @@ diff normalized.stderr tests/ui/cstring.stderr
 SYSROOT=`rustc --print sysroot`
 diff <(LD_LIBRARY_PATH=${SYSROOT}/lib ./target/debug/clippy-driver --rustc --version --verbose) <(rustc --version --verbose)
 
+
+echo "fn main() {}" > target/driver_test.rs
 # we can't run 2 rustcs on the same file at the same time
-CLIPPY=`LD_LIBRARY_PATH=${SYSROOT}/lib ./target/debug/clippy-driver tests/driver/main.rs`
-RUSTC=`rustc tests/driver/main.rs`
+CLIPPY=`LD_LIBRARY_PATH=${SYSROOT}/lib ./target/debug/clippy-driver ./target/driver_test.rs --rustc`
+RUSTC=`rustc ./target/driver_test.rs`
 diff <($CLIPPY) <($RUSTC)
 
 # TODO: CLIPPY_CONF_DIR / CARGO_MANIFEST_DIR
diff --git a/src/driver.rs b/src/driver.rs
index 5ef8d3cf8097..6faa5e9fe661 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -207,6 +207,7 @@ Usage:
 
 Common options:
     -h, --help               Print this message
+        --rustc              Pass all args to rustc
     -V, --version            Print version info and exit
 
 Other options are the same as `cargo check`.