mirror of
https://github.com/opentofu/opentofu.git
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75 lines
2.4 KiB
Bash
Executable File
75 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# Check goimports
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echo "==> Checking the code complies with goimports requirements..."
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# We only require goimports to have been run on files that were changed
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# relative to the main branch, so that we can gradually create more consistency
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# rather than bulk-changing everything at once.
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declare -a target_files
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# "readarray" will return an "unbound variable" error if there isn't already
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# at least one element in the target array. "readarray" will overwrite this
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# item, though.
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target_files[0]=""
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base_branch="origin/main"
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# HACK: If we seem to be running inside a GitHub Actions pull request check
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# then we'll use the PR's target branch from this variable instead.
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if [[ -n "${GITHUB_BASE_REF:-}" ]]; then
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base_branch="origin/$GITHUB_BASE_REF"
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fi
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# FIXME: "readarray' is a Bash 4 feature, which means that currently this script
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# can't work on macOS which (at the time of writing this) ships with only Bash 3.
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# We can probably replace this with something more clunky using an overridden
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# "IFS" environment variable, but the primary place we want to run this right
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# now is in our "quick checks" workflow and that _does_ have a reasonably
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# modern version of Bash.
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readarray -t target_files < <(git diff --name-only ${base_branch} --diff-filter=MA | grep "\.go")
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if [[ "${#target_files[@]}" -eq 0 ]]; then
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echo "No files have changed relative to branch ${base_branch}, so there's nothing to check!"
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exit 0
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fi
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declare -a incorrect_files
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# Array must have at least one item before we can append to it. Code below must
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# work around this extra empty-string element at the beginning of the array.
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incorrect_files[0]=""
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for filename in "${target_files[@]}"; do
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if [[ -z "$filename" ]]; then
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continue
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fi
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output=$(go run golang.org/x/tools/cmd/goimports -l "${filename}")
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if [[ $? -ne 0 ]]; then
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echo >&2 goimports failed for "$filename"
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exit 1
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fi
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if [[ -n "$output" ]]; then
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incorrect_files+=("$filename")
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fi
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done
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if [[ "${#incorrect_files[@]}" -gt 1 ]]; then
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echo >&2 'The following files have import statements that disagree with "goimports"':
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for filename in "${incorrect_files[@]}"; do
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if [[ -z "$filename" ]]; then
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continue
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fi
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echo >&2 ' - ' "${filename}"
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done
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echo >&2 'Use `go run golang.org/x/tools/cmd/goimports -w -l` on each of these files to update these files.'
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exit 1
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fi
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echo 'All of the changed files look good!'
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exit 0
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