chore: apply review suggestions

helpers.sh

@@ -65,12 +65,12 @@ print_help() {
   OPTIONS:
     --clean                 Clear cache and delete builds.
     -d | --debug            Enable debug mode.
-    --force-cache           Force use of the cache for all images (overrides '--overrwrite-cache').
+    --force-cache           Force use of the cache for all images (overrides '--overwrite-cache').
     -h | --help             Show this help text.
     --headful               Open vm in headful mode and do not close image.
     --image                 Custom image for build (Squeak/Pharo).
     --install               Install symlink to this smalltalkCI instance.
-    -o |--overwrite-cache   Download the newest image and cache it.
+    --overwrite-cache   Download the newest image and cache it.
     --print-env             Print all environment variables used by smalltalkCI
     --no-color              Disable colored output
     --no-tracking           Disable collection of anonymous build metrics (Travis CI & AppVeyor only).

pharo/run.sh

@@ -286,12 +286,12 @@ pharo::prepare_image() {
     mkdir "${target}"
   fi
   if ! is_file "${target}"/*.image; then
-    pushd "${target}" >/dev/null
+    pushd "${target}" > /dev/null
     fold_start download_image "Downloading ${smalltalk_name} image..."
       download_file "${pharo_image_url}" "${pharo_zeroconf}"
       retry 3 "bash ${pharo_zeroconf}"
     fold_end download_image
-    popd >/dev/null
+    popd > /dev/null
   fi
 
   print_info "Preparing Pharo image..."

run.sh

@@ -281,24 +281,23 @@ validate_configuration() {
 }
 
 ################################################################################
-# Set options that depend on the contex, i.e., the input values and selections
+# Set options that depend on the context, i.e., the input values and selections
 # performed so far.
 ################################################################################
 set_context_options() {
-    if [ "${config_force_cache}" = "true" ]; then
-      print_info "Forcing cache use"
-      config_overwrite_cache="false"
-      return
-    fi
-
-  case "${config_smalltalk}" in
-    *-alpha | *-trunk)
-      print_info "Forcing image update for in-development version"
-      config_overwrite_cache="true"
-      ;;
-    *)
-      ;;
-  esac
+  if [[ "${config_force_cache}" = "true" ]]; then
+    print_info "Forcing cache use"
+    config_overwrite_cache="false"
+  else
+    case "${config_smalltalk}" in
+      *-alpha | *-trunk)
+        print_info "Forcing image update for in-development version"
+        config_overwrite_cache="true"
+        ;;
+      *)
+        ;;
+    esac
+  fi
 }
 
 ################################################################################
@@ -358,7 +357,7 @@ parse_options() {
       config_tracking="false"
       shift
       ;;
-    -o | --overwrite-cache)
+    --overwrite-cache)
       config_overwrite_cache="true"
       shift
       ;;