Rollup merge of rust-lang#78666 - sasurau4:fix/shellcheck-error, r=jyn514

Fix shellcheck error

## Overview

Helps with rust-lang#77290

This pr fix only errors of shellcheck, the result of `git ls-files '*.sh' | xargs shellcheck --severity=error`.

Fixing error are following.

- https://github.com/koalaman/shellcheck/wiki/SC2148
- https://github.com/koalaman/shellcheck/wiki/SC1008

Disable error following.
- https://github.com/koalaman/shellcheck/wiki/SC2068

Author: JohnTitor

compiler/rustc_codegen_cranelift/scripts/cargo.sh

@@ -10,7 +10,7 @@ cmd=$1
 shift || true
 
 if [[ "$cmd" = "jit" ]]; then
-cargo +${TOOLCHAIN} rustc $@ -- --jit
+cargo +${TOOLCHAIN} rustc "$@" -- --jit
 else
-cargo +${TOOLCHAIN} $cmd $@
+cargo +${TOOLCHAIN} $cmd "$@"
 fi

compiler/rustc_codegen_cranelift/scripts/config.sh

@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 set -e
 
 unamestr=`uname`

compiler/rustc_codegen_cranelift/test.sh

@@ -3,13 +3,13 @@ set -e
 
 export RUSTFLAGS="-Zrun_dsymutil=no"
 
-./build.sh --without-sysroot $@
+./build.sh --without-sysroot "$@"
 
 rm -r target/out || true
 
 scripts/tests.sh no_sysroot
 
-./build.sh $@
+./build.sh "$@"
 
 scripts/tests.sh base_sysroot
 scripts/tests.sh extended_sysroot

src/ci/docker/host-x86_64/disabled/dist-x86_64-dragonfly/build-toolchain.sh

@@ -17,7 +17,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   set -x

src/ci/docker/host-x86_64/disabled/dist-x86_64-haiku/build-toolchain.sh

@@ -22,7 +22,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   set -x

src/ci/docker/host-x86_64/dist-aarch64-linux/build-toolchains.sh

@@ -11,7 +11,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   rm /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID

src/ci/docker/host-x86_64/dist-arm-linux/build-toolchains.sh

@@ -12,7 +12,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   rm /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID

src/ci/docker/host-x86_64/dist-armhf-linux/build-toolchains.sh

@@ -12,7 +12,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   rm /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID

src/ci/docker/host-x86_64/dist-armv7-linux/build-toolchains.sh

@@ -12,7 +12,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   rm /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID

src/ci/docker/host-x86_64/dist-powerpc-linux/build-powerpc-toolchain.sh

@@ -11,7 +11,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   rm /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID

src/ci/docker/host-x86_64/dist-powerpc64-linux/shared.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 hide_output() {
   set +x
   on_err="
@@ -8,7 +9,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   set -x

src/ci/docker/host-x86_64/dist-powerpc64le-linux/shared.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 hide_output() {
   set +x
   on_err="
@@ -8,7 +9,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   set -x

src/ci/docker/host-x86_64/dist-riscv64-linux/build-toolchains.sh

@@ -12,7 +12,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   rm /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID

src/ci/docker/host-x86_64/dist-riscv64-linux/crosstool-ng.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 # Mirrored from https://github.com/crosstool-ng/crosstool-ng/archive/crosstool-ng-1.24.0.tar.gz

src/ci/docker/host-x86_64/dist-s390x-linux/build-s390x-toolchain.sh

@@ -11,7 +11,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   rm /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID

src/ci/docker/host-x86_64/dist-various-1/build-rumprun.sh

@@ -11,7 +11,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   rm /tmp/build.log

src/ci/docker/host-x86_64/dist-various-1/install-mips-musl.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 mkdir /usr/local/mips-linux-musl

src/ci/docker/host-x86_64/dist-various-1/install-mipsel-musl.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 mkdir /usr/local/mipsel-linux-musl

src/ci/docker/host-x86_64/dist-various-2/shared.sh

@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 hide_output() {
   { set +x; } 2>/dev/null
   on_err="

src/ci/docker/host-x86_64/dist-x86_64-linux/shared.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 hide_output() {
   set +x
   on_err="
@@ -8,7 +9,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   set -x

src/ci/docker/host-x86_64/dist-x86_64-netbsd/build-netbsd-toolchain.sh

@@ -13,7 +13,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   rm /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID

src/ci/docker/scripts/android-base-apt-get.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 apt-get update

src/ci/docker/scripts/android-ndk.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 URL=https://dl.google.com/android/repository

src/ci/docker/scripts/android-sdk.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 export ANDROID_HOME=/android/sdk

src/ci/docker/scripts/cross-apt-packages.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 apt-get update && apt-get install -y --no-install-recommends \
   automake \
   bison \

src/ci/docker/scripts/crosstool-ng-1.24.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 # Mirrored from https://github.com/crosstool-ng/crosstool-ng/archive/crosstool-ng-1.24.0.tar.gz

src/ci/docker/scripts/crosstool-ng.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 url="https://github.com/crosstool-ng/crosstool-ng/archive/crosstool-ng-1.22.0.tar.gz"

src/ci/docker/scripts/emscripten.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 hide_output() {
@@ -10,7 +11,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   rm -f /tmp/build.log

src/ci/docker/scripts/freebsd-toolchain.sh

@@ -19,7 +19,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   local ping_loop_pid=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $ping_loop_pid
   set -x

src/ci/docker/scripts/make3.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 curl -f https://ftp.gnu.org/gnu/make/make-3.81.tar.gz | tar xzf -

src/ci/docker/scripts/musl-toolchain.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 # This script runs `musl-cross-make` to prepare C toolchain (Binutils, GCC, musl itself)
 # and builds static libunwind that we distribute for static target.
 #
@@ -19,7 +20,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   rm /tmp/build.log

src/ci/docker/scripts/musl.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 hide_output() {
@@ -10,7 +11,7 @@ exit 1
   trap "$on_err" ERR
   bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
   PING_LOOP_PID=$!
-  $@ &> /tmp/build.log
+  "$@" &> /tmp/build.log
   trap - ERR
   kill $PING_LOOP_PID
   rm /tmp/build.log
@@ -32,7 +33,7 @@ if [ ! -d $MUSL ]; then
 fi
 
 cd $MUSL
-./configure --enable-optimize --enable-debug --disable-shared --prefix=/musl-$TAG $@
+./configure --enable-optimize --enable-debug --disable-shared --prefix=/musl-$TAG "$@"
 if [ "$TAG" = "i586" -o "$TAG" = "i686" ]; then
   hide_output make -j$(nproc) AR=ar RANLIB=ranlib
 else

src/ci/docker/scripts/rustbuild-setup.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 groupadd -r rustbuild && useradd -m -r -g rustbuild rustbuild

src/ci/docker/scripts/sccache.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -ex
 
 case "$(uname -m)" in

src/ci/init_repo.sh

@@ -53,6 +53,7 @@ modules=($modules)
 use_git=""
 urls="$(git config --file .gitmodules --get-regexp '\.url$' | cut -d' ' -f2)"
 urls=($urls)
+# shellcheck disable=SC2068
 for i in ${!modules[@]}; do
     module=${modules[$i]}
     if [[ " $included " = *" $module "* ]]; then

src/ci/shared.sh

@@ -1,4 +1,5 @@
 #!/bin/false
+# shellcheck shell=bash
 
 # This file is intended to be sourced with `. shared.sh` or
 # `source shared.sh`, hence the invalid shebang and not being

src/test/run-make/thumb-none-qemu/script.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -exuo pipefail
 
 CRATE=example

src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/script.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 set -exuo pipefail
 
 function build {