36 lines
1.4 KiB
Bash
36 lines
1.4 KiB
Bash
#!/bin/bash
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# Copyright 2021 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# check_sed returns an error and suggests installing GNU sed, if OS X sed is
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# detected.
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function util::common::check_sed {
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# OS X sed doesn't support "--version". This way we can tell if OS X sed is
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# used.
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if ! sed --version &>/dev/null; then
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# OS X sed and GNU sed aren't compatible with backup flag "-i". Namely
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# sed -i ... - does not work on OS X
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# sed -i'' ... - does not work on certain OS X versions
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# sed -i '' ... - does not work on GNU
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echo ">>> OS X sed detected, which may be incompatible with this script. Please install and use GNU sed instead:
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$ brew install gnu-sed
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$ brew info gnu-sed
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# Find the path to the installed gnu-sed and add it to your PATH. The default
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# is:
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# PATH=\"/Users/\$USER/homebrew/opt/gnu-sed/libexec/gnubin:\$PATH\""
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exit 1
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fi
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}
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