Convert posix scripts to bash

configure

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 script="$(dirname $0)"/src/bootstrap/configure.py
 

src/ci/docker/disabled/dist-x86_64-haiku/llvm-config.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 case $1 in
 --version) echo  4.0.1;;

src/ci/docker/dist-various-2/build-fuchsia-toolchain.sh

@@ -45,7 +45,7 @@ rm -rf zircon
 for arch in x86_64 aarch64; do
   for tool in clang clang++; do
     cat >/usr/local/bin/${arch}-fuchsia-${tool} <<EOF
-#!/bin/sh
+#!/bin/bash
 ${tool} --target=${arch}-fuchsia --sysroot=/usr/local/${arch}-fuchsia "\$@"
 EOF
     chmod +x /usr/local/bin/${arch}-fuchsia-${tool}

src/ci/docker/dist-various-2/build-wasi-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # ignore-tidy-linelength
 

src/ci/docker/scripts/android-start-emulator.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -ex
 

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

@@ -90,7 +90,7 @@ set -x
 for tool in clang clang++; do
   tool_path=/usr/local/bin/${triple}-${tool}
   cat > "$tool_path" <<EOF
-#!/bin/sh
+#!/bin/bash
 exec $tool --sysroot=$sysroot --prefix=${sysroot}/bin "\$@" --target=$triple
 EOF
   chmod +x "$tool_path"

src/ci/docker/scripts/qemu-bare-bones-rcS

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 mount -t proc none /proc
 mount -t sysfs none /sys
 /sbin/mdev -s

src/ci/docker/x86_64-gnu-tools/checktools.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -eu
 

src/etc/cat-and-grep.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -eu
 
 # Performs `cat` and `grep` simultaneously for `run-make` tests in the Rust CI.

src/etc/installer/pkg/postinstall

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 source_dir="$(dirname "$0")"
 dest_dir="$2"

src/etc/rust-gdb

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Exit if anything fails
 set -e
 

src/etc/rust-gdbgui

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Exit if anything fails
 set -e

src/etc/rust-lldb

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Exit if anything fails
 set -e

src/tools/linkchecker/linkcheck.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # This is a script that can be used in each book's CI to validate links using
 # the same tool as rust-lang/rust.