mirror of
https://github.com/tofuutils/pre-commit-opentofu.git
synced 2025-10-15 17:38:54 +02:00
chore: Improved code structure (moved hooks into a separate dir) (#316)
This commit is contained in:
Maksym Vlasov
GitHub
parent
3045dd55a3
commit
c5f2a618a8
27 changed files with 1066 additions and 1591 deletions
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@ -1,377 +0,0 @@
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#!/usr/bin/env bash
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set -eo pipefail
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function main {
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common::initialize
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common::parse_cmdline "$@"
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# Support for setting relative PATH to .terraform-docs.yml config.
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ARGS=${ARGS[*]/--config=/--config=$(pwd)\/}
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terraform_docs_ "${HOOK_CONFIG[*]}" "$ARGS" "${FILES[@]}"
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}
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function common::initialize {
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local SCRIPT_DIR
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# get directory containing this script
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SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
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# source getopt function
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# shellcheck source=lib_getopt
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. "$SCRIPT_DIR/lib_getopt"
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}
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function common::parse_cmdline {
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# common global arrays.
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# Populated via `common::parse_cmdline` and can be used inside hooks' functions
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declare -g -a ARGS=() FILES=() HOOK_CONFIG=()
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local argv
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argv=$(getopt -o a:,h: --long args:,hook-config: -- "$@") || return
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eval "set -- $argv"
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for argv; do
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case $argv in
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-a | --args)
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shift
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ARGS+=("$1")
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shift
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;;
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-h | --hook-config)
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shift
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HOOK_CONFIG+=("$1;")
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shift
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;;
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--)
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shift
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FILES=("$@")
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break
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;;
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esac
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done
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}
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function terraform_docs_ {
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local -r hook_config="$1"
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local -r args="$2"
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shift 2
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local -a -r files=("$@")
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# Get hook settings
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IFS=";" read -r -a configs <<< "$hook_config"
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local hack_terraform_docs
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hack_terraform_docs=$(terraform version | sed -n 1p | grep -c 0.12) || true
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if [[ ! $(command -v terraform-docs) ]]; then
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echo "ERROR: terraform-docs is required by terraform_docs pre-commit hook but is not installed or in the system's PATH."
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exit 1
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fi
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local is_old_terraform_docs
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is_old_terraform_docs=$(terraform-docs version | grep -o "v0.[1-7]\." | tail -1) || true
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if [[ -z "$is_old_terraform_docs" ]]; then # Using terraform-docs 0.8+ (preferred)
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terraform_docs "0" "${configs[*]}" "$args" "${files[@]}"
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elif [[ "$hack_terraform_docs" == "1" ]]; then # Using awk script because terraform-docs is older than 0.8 and terraform 0.12 is used
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if [[ ! $(command -v awk) ]]; then
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echo "ERROR: awk is required for terraform-docs hack to work with Terraform 0.12."
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exit 1
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fi
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local tmp_file_awk
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tmp_file_awk=$(mktemp "${TMPDIR:-/tmp}/terraform-docs-XXXXXXXXXX")
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terraform_docs_awk "$tmp_file_awk"
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terraform_docs "$tmp_file_awk" "${configs[*]}" "$args" "${files[@]}"
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rm -f "$tmp_file_awk"
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else # Using terraform 0.11 and no awk script is needed for that
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terraform_docs "0" "${configs[*]}" "$args" "${files[@]}"
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fi
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}
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function terraform_docs {
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local -r terraform_docs_awk_file="$1"
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local -r hook_config="$2"
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local -r args="$3"
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shift 3
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local -a -r files=("$@")
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declare -a paths
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local index=0
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local file_with_path
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for file_with_path in "${files[@]}"; do
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file_with_path="${file_with_path// /__REPLACED__SPACE__}"
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paths[index]=$(dirname "$file_with_path")
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((index += 1))
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done
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local -r tmp_file=$(mktemp)
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#
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# Get hook settings
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#
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local text_file="README.md"
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local add_to_existing=false
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local create_if_not_exist=false
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read -r -a configs <<< "$hook_config"
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for c in "${configs[@]}"; do
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IFS="=" read -r -a config <<< "$c"
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key=${config[0]}
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value=${config[1]}
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case $key in
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--path-to-file)
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text_file=$value
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;;
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--add-to-existing-file)
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add_to_existing=$value
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;;
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--create-file-if-not-exist)
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create_if_not_exist=$value
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;;
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esac
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done
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local dir_path
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for dir_path in $(echo "${paths[*]}" | tr ' ' '\n' | sort -u); do
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dir_path="${dir_path//__REPLACED__SPACE__/ }"
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pushd "$dir_path" > /dev/null || continue
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#
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# Create file if it not exist and `--create-if-not-exist=true` provided
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#
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if $create_if_not_exist && [[ ! -f "$text_file" ]]; then
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dir_have_tf_files="$(
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find . -maxdepth 1 -type f | sed 's|.*\.||' | sort -u | grep -oE '^tf$|^tfvars$' ||
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exit 0
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)"
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# if no TF files - skip dir
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[ ! "$dir_have_tf_files" ] && popd > /dev/null && continue
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dir="$(dirname "$text_file")"
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mkdir -p "$dir"
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{
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echo -e "# ${PWD##*/}\n"
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echo "<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->"
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echo "<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->"
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} >> "$text_file"
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fi
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# If file still not exist - skip dir
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[[ ! -f "$text_file" ]] && popd > /dev/null && continue
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#
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# If `--add-to-existing-file=true` set, check is in file exist "hook markers",
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# and if not - append "hook markers" to the end of file.
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#
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if $add_to_existing; then
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HAVE_MARKER=$(grep -o '<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->' "$text_file" || exit 0)
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if [ ! "$HAVE_MARKER" ]; then
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echo "<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->" >> "$text_file"
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echo "<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->" >> "$text_file"
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fi
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fi
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if [[ "$terraform_docs_awk_file" == "0" ]]; then
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# shellcheck disable=SC2086
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terraform-docs md $args ./ > "$tmp_file"
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else
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# Can't append extension for mktemp, so renaming instead
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local tmp_file_docs
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tmp_file_docs=$(mktemp "${TMPDIR:-/tmp}/terraform-docs-XXXXXXXXXX")
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mv "$tmp_file_docs" "$tmp_file_docs.tf"
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local tmp_file_docs_tf
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tmp_file_docs_tf="$tmp_file_docs.tf"
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awk -f "$terraform_docs_awk_file" ./*.tf > "$tmp_file_docs_tf"
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# shellcheck disable=SC2086
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terraform-docs md $args "$tmp_file_docs_tf" > "$tmp_file"
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rm -f "$tmp_file_docs_tf"
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fi
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# Replace content between markers with the placeholder - https://stackoverflow.com/questions/1212799/how-do-i-extract-lines-between-two-line-delimiters-in-perl#1212834
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perl -i -ne 'if (/BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK/../END OF PRE-COMMIT-TERRAFORM DOCS HOOK/) { print $_ if /BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK/; print "I_WANT_TO_BE_REPLACED\n$_" if /END OF PRE-COMMIT-TERRAFORM DOCS HOOK/;} else { print $_ }' "$text_file"
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# Replace placeholder with the content of the file
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perl -i -e 'open(F, "'"$tmp_file"'"); $f = join "", <F>; while(<>){if (/I_WANT_TO_BE_REPLACED/) {print $f} else {print $_};}' "$text_file"
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rm -f "$tmp_file"
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popd > /dev/null
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done
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}
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function terraform_docs_awk {
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local -r output_file=$1
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cat << "EOF" > "$output_file"
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# This script converts Terraform 0.12 variables/outputs to something suitable for `terraform-docs`
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# As of terraform-docs v0.6.0, HCL2 is not supported. This script is a *dirty hack* to get around it.
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# https://github.com/terraform-docs/terraform-docs/
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# https://github.com/terraform-docs/terraform-docs/issues/62
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# Script was originally found here: https://github.com/cloudposse/build-harness/blob/master/bin/terraform-docs.awk
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{
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if ( $0 ~ /\{/ ) {
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braceCnt++
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}
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if ( $0 ~ /\}/ ) {
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braceCnt--
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}
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# ----------------------------------------------------------------------------------------------
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# variable|output "..." {
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# ----------------------------------------------------------------------------------------------
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# [END] variable/output block
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if (blockCnt > 0 && blockTypeCnt == 0 && blockDefaultCnt == 0) {
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if (braceCnt == 0 && blockCnt > 0) {
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blockCnt--
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print $0
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}
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}
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# [START] variable or output block started
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if ($0 ~ /^[[:space:]]*(variable|output)[[:space:]][[:space:]]*"(.*?)"/) {
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# Normalize the braceCnt and block (should be 1 now)
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braceCnt = 1
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blockCnt = 1
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# [CLOSE] "default" and "type" block
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blockDefaultCnt = 0
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blockTypeCnt = 0
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# Print variable|output line
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print $0
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}
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# ----------------------------------------------------------------------------------------------
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# default = ...
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# ----------------------------------------------------------------------------------------------
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# [END] multiline "default" continues/ends
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if (blockCnt > 0 && blockTypeCnt == 0 && blockDefaultCnt > 0) {
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print $0
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# Count opening blocks
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blockDefaultCnt += gsub(/\(/, "")
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blockDefaultCnt += gsub(/\[/, "")
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blockDefaultCnt += gsub(/\{/, "")
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# Count closing blocks
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blockDefaultCnt -= gsub(/\)/, "")
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blockDefaultCnt -= gsub(/\]/, "")
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blockDefaultCnt -= gsub(/\}/, "")
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}
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# [START] multiline "default" statement started
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if (blockCnt > 0 && blockTypeCnt == 0 && blockDefaultCnt == 0) {
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if ($0 ~ /^[[:space:]][[:space:]]*(default)[[:space:]][[:space:]]*=/) {
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if ($3 ~ "null") {
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print " default = \"null\""
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} else {
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print $0
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# Count opening blocks
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blockDefaultCnt += gsub(/\(/, "")
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blockDefaultCnt += gsub(/\[/, "")
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blockDefaultCnt += gsub(/\{/, "")
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# Count closing blocks
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blockDefaultCnt -= gsub(/\)/, "")
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blockDefaultCnt -= gsub(/\]/, "")
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blockDefaultCnt -= gsub(/\}/, "")
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}
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}
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}
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# ----------------------------------------------------------------------------------------------
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# type = ...
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# ----------------------------------------------------------------------------------------------
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# [END] multiline "type" continues/ends
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if (blockCnt > 0 && blockTypeCnt > 0 && blockDefaultCnt == 0) {
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# The following 'print $0' would print multiline type definitions
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#print $0
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# Count opening blocks
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blockTypeCnt += gsub(/\(/, "")
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blockTypeCnt += gsub(/\[/, "")
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blockTypeCnt += gsub(/\{/, "")
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# Count closing blocks
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blockTypeCnt -= gsub(/\)/, "")
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blockTypeCnt -= gsub(/\]/, "")
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blockTypeCnt -= gsub(/\}/, "")
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}
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# [START] multiline "type" statement started
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if (blockCnt > 0 && blockTypeCnt == 0 && blockDefaultCnt == 0) {
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if ($0 ~ /^[[:space:]][[:space:]]*(type)[[:space:]][[:space:]]*=/ ) {
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if ($3 ~ "object") {
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print " type = \"object\""
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} else {
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# Convert multiline stuff into single line
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if ($3 ~ /^[[:space:]]*list[[:space:]]*\([[:space:]]*$/) {
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type = "list"
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} else if ($3 ~ /^[[:space:]]*string[[:space:]]*\([[:space:]]*$/) {
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type = "string"
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} else if ($3 ~ /^[[:space:]]*map[[:space:]]*\([[:space:]]*$/) {
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type = "map"
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} else {
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type = $3
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}
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# legacy quoted types: "string", "list", and "map"
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if (type ~ /^[[:space:]]*"(.*?)"[[:space:]]*$/) {
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print " type = " type
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} else {
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print " type = \"" type "\""
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}
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}
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# Count opening blocks
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blockTypeCnt += gsub(/\(/, "")
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blockTypeCnt += gsub(/\[/, "")
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blockTypeCnt += gsub(/\{/, "")
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# Count closing blocks
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blockTypeCnt -= gsub(/\)/, "")
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blockTypeCnt -= gsub(/\]/, "")
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blockTypeCnt -= gsub(/\}/, "")
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}
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}
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# ----------------------------------------------------------------------------------------------
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# description = ...
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# ----------------------------------------------------------------------------------------------
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# [PRINT] single line "description"
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if (blockCnt > 0 && blockTypeCnt == 0 && blockDefaultCnt == 0) {
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if ($0 ~ /^[[:space:]][[:space:]]*description[[:space:]][[:space:]]*=/) {
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print $0
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}
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}
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# ----------------------------------------------------------------------------------------------
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# value = ...
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# ----------------------------------------------------------------------------------------------
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## [PRINT] single line "value"
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#if (blockCnt > 0 && blockTypeCnt == 0 && blockDefaultCnt == 0) {
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# if ($0 ~ /^[[:space:]][[:space:]]*value[[:space:]][[:space:]]*=/) {
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# print $0
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# }
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#}
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# ----------------------------------------------------------------------------------------------
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# Newlines, comments, everything else
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# ----------------------------------------------------------------------------------------------
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#if (blockTypeCnt == 0 && blockDefaultCnt == 0) {
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# Comments with '#'
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if ($0 ~ /^[[:space:]]*#/) {
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print $0
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}
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# Comments with '//'
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if ($0 ~ /^[[:space:]]*\/\//) {
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print $0
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}
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# Newlines
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if ($0 ~ /^[[:space:]]*$/) {
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print $0
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}
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#}
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}
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EOF
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}
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[ "${BASH_SOURCE[0]}" != "$0" ] || main "$@"
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