Test verify global vars

src/lib/args/parse-hook-args.sh

@@ -10,7 +10,7 @@ UTILS_DIR_PATH="${LIB_DIR_PATH}/utils"
 
 _set_log_level() {
   log_level="$1"
-  is_valid=$(validate_enum "--log-level" "${log_level}" "off,debug,info,warning,error")
+  is_valid=$(validate_log_level "${log_level}")
   if [ "${is_valid}" = "true" ]; then
     GLOB_LOG_LEVEL="${log_level}"
   fi
@@ -44,7 +44,7 @@ parse_hook_args() {
           args_str=$(_set_param "log_level" "${args_str}" " ")
           ;;
         *)
-          log_warning "Unknown $1 argument has been passed as --hook-args"
+          log_warning "Unknown ${args_str} argument has been passed as --hook-args"
           ;;
       esac
       shift

src/lib/global-vars/default.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+
+PRE_COMMIT_GRYPE_LOG_LEVEL_DEFAULT_VAL="info"

src/lib/global-vars/set.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env sh
+
+MAIN_SCRIPT_PATH=$(realpath "$0")
+SRC_DIR_PATH=$(dirname "${MAIN_SCRIPT_PATH}")
+LIB_DIR_PATH="${SRC_DIR_PATH}/lib"
+ENV_VARS_DIR_PATH="${LIB_DIR_PATH}/env-vars"
+
+. "${ENV_VARS_DIR_PATH}/default.sh"
+
+set_global_log_level() {
+  export PRE_COMMIT_GRYPE_LOG_LEVEL="$1"
+}
+
+reset_global_log_level() {
+  set_log_level "${PRE_COMMIT_GRYPE_LOG_LEVEL_DEFAULT_VAL}"
+}

src/lib/global-vars/verify.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env sh
+
+MAIN_SCRIPT_PATH=$(realpath "$0")
+SRC_DIR_PATH=$(dirname "${MAIN_SCRIPT_PATH}")
+LIB_DIR_PATH="${SRC_DIR_PATH}/lib"
+GLOBAL_VARS_DIR_PATH="${LIB_DIR_PATH}/global-vars"
+UTILS_DIR_PATH="${LIB_DIR_PATH}/utils"
+
+. "${GLOBAL_VARS_DIR_PATH}/default.sh"
+. "${GLOBAL_VARS_DIR_PATH}/set.sh"
+. "${UTILS_DIR_PATH}/logging.sh"
+. "${UTILS_DIR_PATH}/validators.sh"
+
+_verify_log_level() {
+  if [ -z "${PRE_COMMIT_GRYPE_LOG_LEVEL}" ]; then
+    reset_global_log_level
+  else
+    opts="off,debug,info,warning,error"
+    is_valid=$(validate_enum "PRE_COMMIT_GRYPE_LOG_LEVEL" "${PRE_COMMIT_GRYPE_LOG_LEVEL}" "${opts}" "off")
+    if [ "${is_valid}" = "false" ]; then
+      msg="\"PRE_COMMIT_GRYPE_LOG_LEVEL\" environment variable is invalid. Possible"
+      msg="${msg} values: $(echo "${opts%,}" | sed 's/,/, /g'). Setting back"
+      msg="${msg} to default value: \"${PRE_COMMIT_GRYPE_LOG_LEVEL_DEFAULT_VAL}\"."
+      log_warning "${msg}"
+      reset_global_log_level
+    fi
+  fi
+}
+
+verify_global_vars() {
+  _verify_log_level
+}

src/lib/utils/logging.sh

@@ -8,6 +8,8 @@ log() {
   printf "%s %s level=%s %s\n" "$prefix" "$(date +'%Y-%m-%d %T')" "$level" "$msg" >&2
 }
 
+log_off() {}
+
 log_debug() {
   if [ "$(is_debug_ok)" = "true" ]; then
     log "debug" "$1"

src/lib/utils/validators.sh

@@ -22,3 +22,7 @@ validate_enum() {
       ;;
   esac
 }
+
+validate_log_level() {
+  validate_enum "--log-level" "$1" "off,debug,info,warning,error"
+}

src/main.sh

@@ -4,25 +4,32 @@ MAIN_SCRIPT_PATH=$(realpath "$0")
 SRC_DIR_PATH=$(dirname "${MAIN_SCRIPT_PATH}")
 HOOKS_DIR_PATH="${SRC_DIR_PATH}/hooks"
 LIB_DIR_PATH="${SRC_DIR_PATH}/lib"
+GLOBAL_VARS_DIR_PATH="${LIB_DIR_PATH}/global-vars"
 UTILS_DIR_PATH="${LIB_DIR_PATH}/utils"
 
-. "${LIB_DIR_PATH}/default.sh"
+. "${GLOBAL_VARS_DIR_PATH}/verify.sh"
 . "${UTILS_DIR_PATH}/logging.sh"
 . "${UTILS_DIR_PATH}/validators.sh"
 
-cmd_grype_dir="grype-dir"
-cmd_actual="$1"
+main() {
+  verify_global_vars
 
-. "${HOOKS_DIR_PATH}/${cmd_actual}.sh"
-shift
-if [ "${cmd_actual}" = "${cmd_grype_dir}" ]; then
-  grype_dir "$(echo "$@" | sed 's/^ *//')"
-else
-  is_valid=$(validate_enum "hook" "${cmd_actual}" "${cmd_grype_dir}" "error")
-  if [ "${is_valid}" = "false" ]; then
-    exit 1
+  cmd_grype_dir="grype-dir"
+  cmd_actual="$1"
+
+  . "${HOOKS_DIR_PATH}/${cmd_actual}.sh"
+  shift
+  if [ "${cmd_actual}" = "${cmd_grype_dir}" ]; then
+    grype_dir "$(echo "$@" | sed 's/^ *//')"
   else
-    log_error "Something went wrong"
-    exit 1
+    is_valid=$(validate_enum "hook" "${cmd_actual}" "${cmd_grype_dir}" "error")
+    if [ "${is_valid}" = "false" ]; then
+      exit 1
+    else
+      log_error "Something went wrong"
+      exit 1
+    fi
   fi
-fi
+}
+
+main "$@"