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69 lines
2.2 KiB
Bash
Executable File
69 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2014 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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# Short-circuit if verify-generated.sh has already been sourced.
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[[ $(type -t kube::verify::generated::loaded) == function ]] && return 0
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source "${KUBE_ROOT}/hack/lib/init.sh"
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# This function verifies whether generated files are up-to-date. The first two
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# parameters are messages that get printed to stderr when changes are found,
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# the rest are the function or command and its parameters for generating files
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# in the work tree.
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#
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# Example: kube::verify::generated "Mock files are out of date" "Please run 'hack/update-mocks.sh'" hack/update-mocks.sh
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kube::verify::generated() {
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( # a subshell prevents environment changes from leaking out of this function
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local failure_header=$1
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shift
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local failure_tail=$1
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shift
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kube::util::ensure_clean_working_dir
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# This sets up the environment, like GOCACHE, which keeps the worktree cleaner.
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kube::golang::setup_env
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_tmpdir="$(kube::realpath "$(mktemp -d -t "verify-generated-$(basename "$1").XXXXXX")")"
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git worktree add -f -q "${_tmpdir}" HEAD
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kube::util::trap_add "git worktree remove -f ${_tmpdir}" EXIT
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cd "${_tmpdir}"
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# Update generated files.
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"$@"
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# Test for diffs
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diffs=$(git status --porcelain | wc -l)
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if [[ ${diffs} -gt 0 ]]; then
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if [[ -n "${failure_header}" ]]; then
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echo "${failure_header}" >&2
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fi
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git status >&2
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git diff >&2
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if [[ -n "${failure_tail}" ]]; then
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echo "" >&2
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echo "${failure_tail}" >&2
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fi
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return 1
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fi
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)
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}
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# Marker function to indicate verify-generated.sh has been fully sourced.
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kube::verify::generated::loaded() {
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return 0
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}
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