chore: Improved code structure (moved hooks into a separate dir)

.pre-commit-hooks.yaml

@@ -1,7 +1,7 @@
 - id: infracost_breakdown
   name: Infracost breakdown
   description: Check terraform infrastructure cost
-  entry: infracost_breakdown.sh
+  entry: hooks/infracost_breakdown.sh
   language: script
   require_serial: true
   files: \.(tf(vars)?|hcl)$
@@ -10,7 +10,7 @@
 - id: terraform_fmt
   name: Terraform fmt
   description: Rewrites all Terraform configuration files to a canonical format.
-  entry: terraform_fmt.sh
+  entry: hooks/terraform_fmt.sh
   language: script
   files: (\.tf|\.tfvars)$
   exclude: \.terraform\/.*$
@@ -19,7 +19,7 @@
   name: Terraform docs
   description: Inserts input and output documentation into README.md (using terraform-docs).
   require_serial: true
-  entry: terraform_docs.sh
+  entry: hooks/terraform_docs.sh
   language: script
   files: (\.tf|\.terraform\.lock\.hcl)$
   exclude: \.terraform\/.*$
@@ -28,7 +28,7 @@
   name: Terraform docs (without aggregate type defaults)
   description: Inserts input and output documentation into README.md (using terraform-docs). Identical to terraform_docs.
   require_serial: true
-  entry: terraform_docs.sh
+  entry: hooks/terraform_docs.sh
   language: script
   files: (\.tf)$
   exclude: \.terraform\/.*$
@@ -46,7 +46,7 @@
   name: Terraform validate
   description: Validates all Terraform configuration files.
   require_serial: true
-  entry: terraform_validate.sh
+  entry: hooks/terraform_validate.sh
   language: script
   files: (\.tf|\.tfvars)$
   exclude: \.terraform\/.*$
@@ -55,7 +55,7 @@
   name: Lock terraform provider versions
   description: Updates provider signatures in dependency lock files.
   require_serial: true
-  entry: terraform_providers_lock.sh
+  entry: hooks/terraform_providers_lock.sh
   language: script
   files: (\.terraform\.lock\.hcl)$
   exclude: \.terraform\/.*$
@@ -64,23 +64,23 @@
   name: Terraform validate with tflint
   description: Validates all Terraform configuration files with TFLint.
   require_serial: true
-  entry: terraform_tflint.sh
+  entry: hooks/terraform_tflint.sh
   language: script
   files: (\.tf|\.tfvars)$
   exclude: \.terraform\/.*$
 
 - id: terragrunt_fmt
   name: Terragrunt fmt
   description: Rewrites all Terragrunt configuration files to a canonical format.
-  entry: terragrunt_fmt.sh
+  entry: hooks/terragrunt_fmt.sh
   language: script
   files: (\.hcl)$
   exclude: \.terraform\/.*$
 
 - id: terragrunt_validate
   name: Terragrunt validate
   description: Validates all Terragrunt configuration files.
-  entry: terragrunt_validate.sh
+  entry: hooks/terragrunt_validate.sh
   language: script
   files: (\.hcl)$
   exclude: \.terraform\/.*$
@@ -89,13 +89,13 @@
   name: Terraform validate with tfsec
   description: Static analysis of Terraform templates to spot potential security issues.
   require_serial: true
-  entry: terraform_tfsec.sh
+  entry: hooks/terraform_tfsec.sh
   language: script
 
 - id: checkov
   name: Checkov
   description: Runs checkov on Terraform templates.
-  entry: checkov -d .
+  entry: hooks/checkov -d .
   language: python
   pass_filenames: false
   always_run: false
@@ -107,7 +107,7 @@
   name: terrascan
   description: Runs terrascan on Terraform templates.
   language: script
-  entry: terrascan.sh
+  entry: hooks/terrascan.sh
   files: \.tf$
   exclude: \.terraform\/.*$
   require_serial: true

terragrunt_fmt.sh → hooks/_common.sh

@@ -1,26 +1,17 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
-function main {
-  common::initialize
-  common::parse_cmdline "$@"
-  common::per_dir_hook "${ARGS[*]}" "${FILES[@]}"
-}
-
 function common::initialize {
-  local SCRIPT_DIR
-  # get directory containing this script
-  SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
-
+  local -r script_dir=$1
   # source getopt function
   # shellcheck source=lib_getopt
-  . "$SCRIPT_DIR/lib_getopt"
+  . "$script_dir/../lib_getopt"
 }
 
 function common::parse_cmdline {
   # common global arrays.
   # Populated via `common::parse_cmdline` and can be used inside hooks' functions
-  declare -g -a ARGS=() FILES=() HOOK_CONFIG=()
+  declare -g -a ARGS=() HOOK_CONFIG=() FILES=()
 
   local argv
   argv=$(getopt -o a:,h: --long args:,hook-config: -- "$@") || return
@@ -40,6 +31,7 @@ function common::parse_cmdline {
         ;;
       --)
         shift
+        # shellcheck disable=SC2034 # Variable is used
         FILES=("$@")
         break
         ;;
@@ -90,18 +82,24 @@ function common::per_dir_hook {
   exit $final_exit_code
 }
 
-function per_dir_hook_unique_part {
-  # common logic located in common::per_dir_hook
-  local -r args="$1"
-  local -r dir_path="$2"
-
-  # pass the arguments to hook
-  # shellcheck disable=SC2068 # hook fails when quoting is used ("$arg[@]")
-  terragrunt hclfmt ${args[@]}
-
-  # return exit code to common::per_dir_hook
-  local exit_code=$?
-  return $exit_code
+function common::colorify {
+  # shellcheck disable=SC2034
+  local -r red="\e[0m\e[31m"
+  # shellcheck disable=SC2034
+  local -r green="\e[0m\e[32m"
+  # shellcheck disable=SC2034
+  local -r yellow="\e[0m\e[33m"
+  # Color reset
+  local -r RESET="\e[0m"
+
+  # Params start #
+  local COLOR="${!1}"
+  local -r TEXT=$2
+  # Params end #
+
+  if [ "$PRE_COMMIT_COLOR" = "never" ]; then
+    COLOR=$RESET
+  fi
+
+  echo -e "${COLOR}${TEXT}${RESET}"
 }
-
-[ "${BASH_SOURCE[0]}" != "$0" ] || main "$@"

infracost_breakdown.sh → hooks/infracost_breakdown.sh

@@ -1,75 +1,18 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
+# shellcheck disable=SC2155 # No way to assign to readonly variable in separate lines
+readonly SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
+# shellcheck source=_common.sh
+. "$SCRIPT_DIR/_common.sh"
+
 function main {
-  common::initialize
+  common::initialize "$SCRIPT_DIR"
   common::parse_cmdline "$@"
+  # shellcheck disable=SC2153 # False positive
   infracost_breakdown_ "${HOOK_CONFIG[*]}" "${ARGS[*]}"
 }
 
-function common::colorify {
-  # shellcheck disable=SC2034
-  local -r red="\e[0m\e[31m"
-  # shellcheck disable=SC2034
-  local -r green="\e[0m\e[32m"
-  # shellcheck disable=SC2034
-  local -r yellow="\e[0m\e[33m"
-  # Color reset
-  local -r RESET="\e[0m"
-
-  # Params start #
-  local COLOR="${!1}"
-  local -r TEXT=$2
-  # Params end #
-
-  if [ "$PRE_COMMIT_COLOR" = "never" ]; then
-    COLOR=$RESET
-  fi
-
-  echo -e "${COLOR}${TEXT}${RESET}"
-}
-
-function common::initialize {
-  local SCRIPT_DIR
-  # get directory containing this script
-  SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
-
-  # source getopt function
-  # shellcheck source=lib_getopt
-  . "$SCRIPT_DIR/lib_getopt"
-}
-
-function common::parse_cmdline {
-  # common global arrays.
-  # Populated via `common::parse_cmdline` and can be used inside hooks' functions
-  declare -g -a ARGS=() FILES=() HOOK_CONFIG=()
-
-  local argv
-  argv=$(getopt -o a:,h: --long args:,hook-config: -- "$@") || return
-  eval "set -- $argv"
-
-  for argv; do
-    case $argv in
-      -a | --args)
-        shift
-        ARGS+=("$1")
-        shift
-        ;;
-      -h | --hook-config)
-        shift
-        HOOK_CONFIG+=("$1;")
-        shift
-        ;;
-      --)
-        shift
-        # shellcheck disable=SC2034 # Common function
-        FILES=("$@")
-        break
-        ;;
-    esac
-  done
-}
-
 function infracost_breakdown_ {
   local -r hook_config="$1"
   local args

terraform_docs.sh → hooks/terraform_docs.sh

@@ -1,54 +1,22 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
+# shellcheck disable=SC2155 # No way to assign to readonly variable in separate lines
+readonly SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
+# shellcheck source=_common.sh
+. "$SCRIPT_DIR/_common.sh"
+
 function main {
-  common::initialize
+  common::initialize "$SCRIPT_DIR"
   common::parse_cmdline "$@"
   # Support for setting relative PATH to .terraform-docs.yml config.
+  # shellcheck disable=SC2178 # It's the simplest syntax for that case
   ARGS=${ARGS[*]/--config=/--config=$(pwd)\/}
+  # shellcheck disable=SC2128 # It's the simplest syntax for that case
+  # shellcheck disable=SC2153 # False positive
   terraform_docs_ "${HOOK_CONFIG[*]}" "$ARGS" "${FILES[@]}"
 }
 
-function common::initialize {
-  local SCRIPT_DIR
-  # get directory containing this script
-  SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
-
-  # source getopt function
-  # shellcheck source=lib_getopt
-  . "$SCRIPT_DIR/lib_getopt"
-}
-
-function common::parse_cmdline {
-  # common global arrays.
-  # Populated via `common::parse_cmdline` and can be used inside hooks' functions
-  declare -g -a ARGS=() FILES=() HOOK_CONFIG=()
-
-  local argv
-  argv=$(getopt -o a:,h: --long args:,hook-config: -- "$@") || return
-  eval "set -- $argv"
-
-  for argv; do
-    case $argv in
-      -a | --args)
-        shift
-        ARGS+=("$1")
-        shift
-        ;;
-      -h | --hook-config)
-        shift
-        HOOK_CONFIG+=("$1;")
-        shift
-        ;;
-      --)
-        shift
-        FILES=("$@")
-        break
-        ;;
-    esac
-  done
-}
-
 function terraform_docs_ {
   local -r hook_config="$1"
   local -r args="$2"

terraform_fmt.sh → hooks/terraform_fmt.sh

@@ -1,52 +1,18 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
+# shellcheck disable=SC2155 # No way to assign to readonly variable in separate lines
+readonly SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
+# shellcheck source=_common.sh
+. "$SCRIPT_DIR/_common.sh"
+
 function main {
-  common::initialize
+  common::initialize "$SCRIPT_DIR"
   common::parse_cmdline "$@"
+  # shellcheck disable=SC2153 # False positive
   terraform_fmt_ "${ARGS[*]}" "${FILES[@]}"
 }
 
-function common::initialize {
-  local SCRIPT_DIR
-  # get directory containing this script
-  SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
-
-  # source getopt function
-  # shellcheck source=lib_getopt
-  . "$SCRIPT_DIR/lib_getopt"
-}
-
-function common::parse_cmdline {
-  # common global arrays.
-  # Populated via `common::parse_cmdline` and can be used inside hooks' functions
-  declare -g -a ARGS=() FILES=() HOOK_CONFIG=()
-
-  local argv
-  argv=$(getopt -o a:,h: --long args:,hook-config: -- "$@") || return
-  eval "set -- $argv"
-
-  for argv; do
-    case $argv in
-      -a | --args)
-        shift
-        ARGS+=("$1")
-        shift
-        ;;
-      -h | --hook-config)
-        shift
-        HOOK_CONFIG+=("$1;")
-        shift
-        ;;
-      --)
-        shift
-        FILES=("$@")
-        break
-        ;;
-    esac
-  done
-}
-
 function terraform_fmt_ {
   local -r args="$1"
   shift 1