Ensure bash shebang lines are portable (#53)

This commit ensures all instances of bash shebang line are utilizing portable '/usr/bin/env bash', allowing for greater portability of the rules_gitops

create_kind_cluster.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2020 Adobe. All rights reserved.
 # This file is licensed to you under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License. You may obtain a copy

e2e_test.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2020 Adobe. All rights reserved.
 # This file is licensed to you under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License. You may obtain a copy

examples/e2e-test.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2020 Adobe. All rights reserved.
 # This file is licensed to you under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License. You may obtain a copy

examples/helloworld/k8s_deploy_test.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Debug
 # set -x

skylib/cmd.sh.tpl

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2020 Adobe. All rights reserved.
 # This file is licensed to you under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License. You may obtain a copy

skylib/k8s.bzl

@@ -29,7 +29,7 @@ def _python_runfiles(ctx, f):
     return "PYTHON_RUNFILES=${RUNFILES} %s" % _runfiles(ctx, f)
 
 def _show_impl(ctx):
-    script_content = "#!/bin/bash\nset -e\n"
+    script_content = "#!/usr/bin/env bash\nset -e\n"
 
     kustomize_outputs = []
     script_template = "{template_engine} --template={infile} --variable=NAMESPACE={namespace} --stamp_info_file={info_file}\n"

skylib/k8s_cmd.sh.tpl

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2020 Adobe. All rights reserved.
 # This file is licensed to you under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License. You may obtain a copy

skylib/k8s_gitops.sh.tpl

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2020 Adobe. All rights reserved.
 # This file is licensed to you under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License. You may obtain a copy

skylib/k8s_test_namespace.sh.tpl

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2020 Adobe. All rights reserved.
 # This file is licensed to you under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License. You may obtain a copy

skylib/kustomize/kustomize.bzl

@@ -88,7 +88,7 @@ def _is_ignored_src(src):
     return basename.startswith(".")
 
 _script_template = """\
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 {kustomize} build --load_restrictor none --reorder legacy {kustomize_dir} {template_part} {resolver_part} >{out}
 """

skylib/kustomize/run-all.sh.tpl

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Bazel Authors. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

skylib/kustomize/set_namespace.sh

@@ -1,4 +1,4 @@
-#!/bin/bash +x
+#!/usr/bin/env bash
 # Copyright 2020 Adobe. All rights reserved.
 # This file is licensed to you under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License. You may obtain a copy
@@ -9,6 +9,8 @@
 # OF ANY KIND, either express or implied. See the License for the specific language
 # governing permissions and limitations under the License.
 
+set +x
+
 if [ "$1" == "" ]; then
     echo usage:
     echo $0 'namespace <in.yaml >out.yaml'

skylib/kustomize/tests/set_namespace_test.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 function test_namespace_replaced {

skylib/tests/fork_join_test.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 function test_dedupe {