Rollup merge of #45961 - dereckson:unix-agnosticity-ci, r=Mark-Simulacrum

Use #!/usr/bin/env as shebang for Bash scripts

On some systems, the bash command could be available in another
directory than /bin. As such, to offer an env shebang is more
convenient.

This make sense even for docker scripts, as you can use Docker
on FreeBSD or SmartOS for example.

39 files changed, 41 insertions, 41 deletions

diff --git a/src/ci/docker/cross/build-arm-musl.sh b/src/ci/docker/cross/build-arm-musl.sh
index 567e5d9ac98..f9444a35a8b 100755
--- a/src/ci/docker/cross/build-arm-musl.sh
+++ b/src/ci/docker/cross/build-arm-musl.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/cross/build-rumprun.sh b/src/ci/docker/cross/build-rumprun.sh
index 59b1c9b6415..ad38cf872ad 100755
--- a/src/ci/docker/cross/build-rumprun.sh
+++ b/src/ci/docker/cross/build-rumprun.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/cross/install-x86_64-redox.sh b/src/ci/docker/cross/install-x86_64-redox.sh
index 8e052c4acd2..9bfb57f5741 100755
--- a/src/ci/docker/cross/install-x86_64-redox.sh
+++ b/src/ci/docker/cross/install-x86_64-redox.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/cross2/build-fuchsia-toolchain.sh b/src/ci/docker/cross2/build-fuchsia-toolchain.sh
index 756013a235c..ef8f0c37f8c 100755
--- a/src/ci/docker/cross2/build-fuchsia-toolchain.sh
+++ b/src/ci/docker/cross2/build-fuchsia-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/cross2/build-solaris-toolchain.sh b/src/ci/docker/cross2/build-solaris-toolchain.sh
index 71ab998aab2..c04c8b7194c 100755
--- a/src/ci/docker/cross2/build-solaris-toolchain.sh
+++ b/src/ci/docker/cross2/build-solaris-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/disabled/dist-x86_64-dragonfly/build-toolchain.sh b/src/ci/docker/disabled/dist-x86_64-dragonfly/build-toolchain.sh
index 3d58f3d307c..2ebbe0cdee9 100755
--- a/src/ci/docker/disabled/dist-x86_64-dragonfly/build-toolchain.sh
+++ b/src/ci/docker/disabled/dist-x86_64-dragonfly/build-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/disabled/dist-x86_64-haiku/build-toolchain.sh b/src/ci/docker/disabled/dist-x86_64-haiku/build-toolchain.sh
index 0776d448984..a1115e254b5 100755
--- a/src/ci/docker/disabled/dist-x86_64-haiku/build-toolchain.sh
+++ b/src/ci/docker/disabled/dist-x86_64-haiku/build-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/disabled/dist-x86_64-haiku/fetch-packages.sh b/src/ci/docker/disabled/dist-x86_64-haiku/fetch-packages.sh
index 0f6034cdb86..a37532e203a 100755
--- a/src/ci/docker/disabled/dist-x86_64-haiku/fetch-packages.sh
+++ b/src/ci/docker/disabled/dist-x86_64-haiku/fetch-packages.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/disabled/wasm32-exp/node.sh b/src/ci/docker/disabled/wasm32-exp/node.sh
index dfa7f221ffa..2bfddb0de99 100755
--- a/src/ci/docker/disabled/wasm32-exp/node.sh
+++ b/src/ci/docker/disabled/wasm32-exp/node.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-aarch64-linux/build-toolchains.sh b/src/ci/docker/dist-aarch64-linux/build-toolchains.sh
index 94f785c96f8..22b719bb307 100755
--- a/src/ci/docker/dist-aarch64-linux/build-toolchains.sh
+++ b/src/ci/docker/dist-aarch64-linux/build-toolchains.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-arm-linux/build-toolchains.sh b/src/ci/docker/dist-arm-linux/build-toolchains.sh
index f78ecf9381a..c53cca0bb98 100755
--- a/src/ci/docker/dist-arm-linux/build-toolchains.sh
+++ b/src/ci/docker/dist-arm-linux/build-toolchains.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-armhf-linux/build-toolchains.sh b/src/ci/docker/dist-armhf-linux/build-toolchains.sh
index df1134d5483..964182a5ad5 100755
--- a/src/ci/docker/dist-armhf-linux/build-toolchains.sh
+++ b/src/ci/docker/dist-armhf-linux/build-toolchains.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-armv7-linux/build-toolchains.sh b/src/ci/docker/dist-armv7-linux/build-toolchains.sh
index 2d395fee792..40adfe5d53e 100755
--- a/src/ci/docker/dist-armv7-linux/build-toolchains.sh
+++ b/src/ci/docker/dist-armv7-linux/build-toolchains.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-freebsd/build-toolchain.sh b/src/ci/docker/dist-i686-freebsd/build-toolchain.sh
index 8343327c33b..3c86a8e3817 100755
--- a/src/ci/docker/dist-i686-freebsd/build-toolchain.sh
+++ b/src/ci/docker/dist-i686-freebsd/build-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-linux/build-binutils.sh b/src/ci/docker/dist-i686-linux/build-binutils.sh
index 80aa1f2a016..f4bdbd80d0e 100755
--- a/src/ci/docker/dist-i686-linux/build-binutils.sh
+++ b/src/ci/docker/dist-i686-linux/build-binutils.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-linux/build-cmake.sh b/src/ci/docker/dist-i686-linux/build-cmake.sh
index 82e46455cb0..9a3763d421a 100755
--- a/src/ci/docker/dist-i686-linux/build-cmake.sh
+++ b/src/ci/docker/dist-i686-linux/build-cmake.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-linux/build-curl.sh b/src/ci/docker/dist-i686-linux/build-curl.sh
index b7d22755a57..edf3175b81c 100755
--- a/src/ci/docker/dist-i686-linux/build-curl.sh
+++ b/src/ci/docker/dist-i686-linux/build-curl.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-linux/build-gcc.sh b/src/ci/docker/dist-i686-linux/build-gcc.sh
index ab2562538d6..6b991bb59e4 100755
--- a/src/ci/docker/dist-i686-linux/build-gcc.sh
+++ b/src/ci/docker/dist-i686-linux/build-gcc.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-linux/build-git.sh b/src/ci/docker/dist-i686-linux/build-git.sh
index 92fa66b496d..ff62a68629a 100755
--- a/src/ci/docker/dist-i686-linux/build-git.sh
+++ b/src/ci/docker/dist-i686-linux/build-git.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-linux/build-headers.sh b/src/ci/docker/dist-i686-linux/build-headers.sh
index 4ce38fd9205..2f15114d6f9 100755
--- a/src/ci/docker/dist-i686-linux/build-headers.sh
+++ b/src/ci/docker/dist-i686-linux/build-headers.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-linux/build-openssl.sh b/src/ci/docker/dist-i686-linux/build-openssl.sh
index 34da0ed6310..e7226ace020 100755
--- a/src/ci/docker/dist-i686-linux/build-openssl.sh
+++ b/src/ci/docker/dist-i686-linux/build-openssl.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-i686-linux/build-python.sh b/src/ci/docker/dist-i686-linux/build-python.sh
index a7a450f3c8d..c6b8cdde4b9 100755
--- a/src/ci/docker/dist-i686-linux/build-python.sh
+++ b/src/ci/docker/dist-i686-linux/build-python.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-powerpc-linux/build-powerpc-toolchain.sh b/src/ci/docker/dist-powerpc-linux/build-powerpc-toolchain.sh
index 90a4df0c195..15211acb445 100755
--- a/src/ci/docker/dist-powerpc-linux/build-powerpc-toolchain.sh
+++ b/src/ci/docker/dist-powerpc-linux/build-powerpc-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-powerpc64-linux/build-powerpc64-toolchain.sh b/src/ci/docker/dist-powerpc64-linux/build-powerpc64-toolchain.sh
index c477cd61f98..ac6460a4729 100755
--- a/src/ci/docker/dist-powerpc64-linux/build-powerpc64-toolchain.sh
+++ b/src/ci/docker/dist-powerpc64-linux/build-powerpc64-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-powerpc64le-linux/build-powerpc64le-toolchain.sh b/src/ci/docker/dist-powerpc64le-linux/build-powerpc64le-toolchain.sh
index 5f556b67081..2f6937afff0 100755
--- a/src/ci/docker/dist-powerpc64le-linux/build-powerpc64le-toolchain.sh
+++ b/src/ci/docker/dist-powerpc64le-linux/build-powerpc64le-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-s390x-linux/build-s390x-toolchain.sh b/src/ci/docker/dist-s390x-linux/build-s390x-toolchain.sh
index b4995e20dc6..306204dd0e1 100755
--- a/src/ci/docker/dist-s390x-linux/build-s390x-toolchain.sh
+++ b/src/ci/docker/dist-s390x-linux/build-s390x-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-freebsd/build-toolchain.sh b/src/ci/docker/dist-x86_64-freebsd/build-toolchain.sh
index 8343327c33b..3c86a8e3817 100755
--- a/src/ci/docker/dist-x86_64-freebsd/build-toolchain.sh
+++ b/src/ci/docker/dist-x86_64-freebsd/build-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-linux/build-binutils.sh b/src/ci/docker/dist-x86_64-linux/build-binutils.sh
index 80aa1f2a016..f4bdbd80d0e 100755
--- a/src/ci/docker/dist-x86_64-linux/build-binutils.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-binutils.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-linux/build-cmake.sh b/src/ci/docker/dist-x86_64-linux/build-cmake.sh
index 82e46455cb0..9a3763d421a 100755
--- a/src/ci/docker/dist-x86_64-linux/build-cmake.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-cmake.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-linux/build-curl.sh b/src/ci/docker/dist-x86_64-linux/build-curl.sh
index b7d22755a57..edf3175b81c 100755
--- a/src/ci/docker/dist-x86_64-linux/build-curl.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-curl.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-linux/build-gcc.sh b/src/ci/docker/dist-x86_64-linux/build-gcc.sh
index ab2562538d6..6b991bb59e4 100755
--- a/src/ci/docker/dist-x86_64-linux/build-gcc.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-gcc.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-linux/build-git.sh b/src/ci/docker/dist-x86_64-linux/build-git.sh
index 92fa66b496d..ff62a68629a 100755
--- a/src/ci/docker/dist-x86_64-linux/build-git.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-git.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-linux/build-headers.sh b/src/ci/docker/dist-x86_64-linux/build-headers.sh
index 4ce38fd9205..2f15114d6f9 100755
--- a/src/ci/docker/dist-x86_64-linux/build-headers.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-headers.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-linux/build-openssl.sh b/src/ci/docker/dist-x86_64-linux/build-openssl.sh
index 34da0ed6310..e7226ace020 100755
--- a/src/ci/docker/dist-x86_64-linux/build-openssl.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-openssl.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-linux/build-python.sh b/src/ci/docker/dist-x86_64-linux/build-python.sh
index a7a450f3c8d..c6b8cdde4b9 100755
--- a/src/ci/docker/dist-x86_64-linux/build-python.sh
+++ b/src/ci/docker/dist-x86_64-linux/build-python.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/docker/dist-x86_64-netbsd/build-netbsd-toolchain.sh b/src/ci/docker/dist-x86_64-netbsd/build-netbsd-toolchain.sh
index 54100b49cb9..9e1b769f6c4 100755
--- a/src/ci/docker/dist-x86_64-netbsd/build-netbsd-toolchain.sh
+++ b/src/ci/docker/dist-x86_64-netbsd/build-netbsd-toolchain.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
@@ -64,12 +64,12 @@ cd ../..
 rm -rf usr
 
 cat > /x-tools/x86_64-unknown-netbsd/bin/x86_64--netbsd-gcc-sysroot <<'EOF'
-#!/bin/bash
+#!/usr/bin/env bash
 exec /x-tools/x86_64-unknown-netbsd/bin/x86_64--netbsd-gcc --sysroot=/x-tools/x86_64-unknown-netbsd/sysroot "$@"
 EOF
 
 cat > /x-tools/x86_64-unknown-netbsd/bin/x86_64--netbsd-g++-sysroot <<'EOF'
-#!/bin/bash
+#!/usr/bin/env bash
 exec /x-tools/x86_64-unknown-netbsd/bin/x86_64--netbsd-g++ --sysroot=/x-tools/x86_64-unknown-netbsd/sysroot "$@"
 EOF
 
diff --git a/src/ci/docker/run.sh b/src/ci/docker/run.sh
index dc02310b4f2..a863e1a2d5d 100755
--- a/src/ci/docker/run.sh
+++ b/src/ci/docker/run.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/init_repo.sh b/src/ci/init_repo.sh
index 7ffe00a807b..e073a3d99c1 100755
--- a/src/ci/init_repo.sh
+++ b/src/ci/init_repo.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/ci/run.sh b/src/ci/run.sh
index deea4fec4dc..a8a7dd5bc27 100755
--- a/src/ci/run.sh
+++ b/src/ci/run.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.