diff --git a/gha/gha.cachette.bash b/gha/gha.cachette.bash
index 7a4a4e9d4e..a635ecb143 100644
--- a/gha/gha.cachette.bash
+++ b/gha/gha.cachette.bash
@@ -13,7 +13,8 @@ function gha-cache-exists() {(
 
     local PATH="$PATH:/usr/bin"
     local node="${node:-/c/Program Files/nodejs/node}"
-    local actions_cache_dir="${actions_cache_dir:-/d/a/_actions/actions/cache/v4}"
+    local _actions="${_actions:-/d/a/_actions}"
+    local actions_cache_dir="${actions_cache_dir:-$_actions/actions/cache/v4}"
     local script="${script:-${actions_cache_dir}/dist/restore-only/index.js}"
 
     local -a Input=(
@@ -219,10 +220,13 @@ function gha-cache-restore-fast() {(
   test -v GITHUB_ACTIONS || return 1
   gha-have-runtime || { echo "gha runtime unavailable" && exit 13 ; }
   set -Euo pipefail
-  export INPUT_key="$1" INPUT_path="$2"
-  /c/Program\ Files/nodejs/node /d/a/_actions/actions/cache/v4/dist/restore-only/index.js \
+  local node="${node:-/c/Program Files/nodejs/node}"
+  local _actions="${_actions:-/d/a/_actions}"
+
+  export INPUT_KEY="$1" INPUT_PATH="$2"
+  $node $_actions/actions/cache/v4/dist/restore-only/index.js \
     | grep -i 'cache restored' >&2 && return 0
-  echo "(cache not restored: ${INPUT_key})" >&2
+  echo "(cache not restored: ${INPUT_KEY})" >&2
   return 1
 )}
 
@@ -230,7 +234,9 @@ function gha-cache-save-fast() {(
   test -v GITHUB_ACTIONS || return 0
   gha-have-runtime || { echo "gha runtime unavailable" && exit 13 ; }
   set -Euo pipefail
-  export INPUT_key="$1" INPUT_path="$2"
-  /c/Program\ Files/nodejs/node /d/a/_actions/actions/cache/v4/dist/save-only/index.js || return $?
-  echo "cache saved: ${INPUT_key}" >&2
+  local node="${node:-/c/Program Files/nodejs/node}"
+  local _actions="${_actions:-/d/a/_actions}"
+  export INPUT_KEY="$1" INPUT_PATH="$2"
+  $node $_actions/actions/cache/v4/dist/save-only/index.js || return $?
+  echo "cache saved: ${INPUT_KEY}" >&2
 )}
diff --git a/gha/gha.upload-artifact.bash b/gha/gha.upload-artifact.bash
index da6ffb3e53..ddd28889b9 100644
--- a/gha/gha.upload-artifact.bash
+++ b/gha/gha.upload-artifact.bash
@@ -72,16 +72,19 @@ function gha-upload-artifact() {(
 function gha-upload-artifact-fast() {(
   test -v GITHUB_ACTIONS || return 0
   set -Euo pipefail
-  export INPUT_name="`gha-esc "$1"`"
-  export INPUT_path="`gha-esc "$2"`"
+  local node="${node:-/c/Program Files/nodejs/node}"
+  local _actions="${_actions:-/d/a/_actions}"
+
+  export INPUT_NAME="`gha-esc "$1"`"
+  export INPUT_PATH="`gha-esc "$2"`"
   env \
-    INPUT_retention-days=${3:-1} \
-    INPUT_compression-level=${4:-0} \
-    INPUT_overwrite=${5:-false} \
-    INPUT_include-hidden-files=true \
-    INPUT_if-no-files-found=error \
-    /c/Program\ Files/nodejs/node /d/a/_actions/actions/upload-artifact/v4/dist/upload/index.js || return $?
-  echo "uploaded: ${INPUT_path}" >&2
+    INPUT_RETENTION-DAYS=${3:-1} \
+    INPUT_COMPRESSION-LEVEL=${4:-0} \
+    INPUT_OVERWRITE=${5:-false} \
+    INPUT_INCLUDE-HIDDEN-FILES=true \
+    INPUT_IF-NO-FILES-FOUND=error \
+    $node $_actions/actions/upload-artifact/v4/dist/upload/index.js || return $?
+  echo "uploaded: ${INPUT_PATH}" >&2
 )}
 
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