cleanups

epm-docker-test.sh

@@ -107,8 +107,10 @@ require_command() {
 }
 
 sanitize_name() {
-  local value
-  value="$(printf '%s' "$1" | tr '[:upper:]' '[:lower:]' | sed -e 's/[^a-z0-9]/-/g' -e 's/^-*//' -e 's/-*$//')"
+  local value="${1,,}"
+  value="${value//[^a-z0-9]/-}"
+  value="${value##-}"
+  value="${value%%-}"
   printf '%s\n' "${value:-run}"
 }
 
@@ -118,7 +120,8 @@ normalize_system_name() {
   local image_name
   local image_tag
 
-  normalized="$(printf '%s' "$raw" | tr -d ' ' | tr '[:upper:]' '[:lower:]')"
+  normalized="${raw// /}"
+  normalized="${normalized,,}"
 
   [[ -n "$normalized" ]] || fatal "Target system is empty"
 
@@ -228,22 +231,9 @@ can_use_local_docker() {
 
 verify_eepm_tree() {
   local tree="$1"
-  local epm_path
 
   [[ -d "$tree" ]] || fatal "eepm tree is not a directory: $tree"
-
-  epm_path="$tree/bin/eepm"
-  if [[ ! -e "$epm_path" ]]; then
-    fatal "eepm tree does not contain ./bin/eepm: $tree"
-  fi
-
-  if [[ ! -f "$epm_path" ]]; then
-    fatal "eepm entrypoint is not a regular file: $epm_path"
-  fi
-
-  if [[ ! -r "$epm_path" ]]; then
-    fatal "eepm entrypoint is not readable: $epm_path"
-  fi
+  [[ -f "$tree/bin/eepm" && -r "$tree/bin/eepm" ]] || fatal "eepm entrypoint not found or not readable: $tree/bin/eepm"
 }
 
 resolve_checked_source_path() {