1 files changed, 14 insertions, 13 deletions
diff --git a/nixpkgs/pkgs/development/libraries/kde-frameworks/extra-cmake-modules/setup-hook.sh b/nixpkgs/pkgs/development/libraries/kde-frameworks/extra-cmake-modules/setup-hook.sh
index 4135f6bfd7aa..ac077b73d6a6 100644
--- a/nixpkgs/pkgs/development/libraries/kde-frameworks/extra-cmake-modules/setup-hook.sh
+++ b/nixpkgs/pkgs/development/libraries/kde-frameworks/extra-cmake-modules/setup-hook.sh
@@ -59,23 +59,24 @@ xdgDataSubdirs=( \
     "wallpapers" "applications" "desktop-directories" "mime" "appdata" "dbus-1" \
 )
 
-ecmHostPathSeen=( )
+# ecmHostPathsSeen is an associative array of the paths that have already been
+# seen by ecmHostPathHook.
+declare -gA ecmHostPathsSeen
 
-ecmUnseenHostPath() {
-    for pkg in "${ecmHostPathSeen[@]}"
-    do
-        if [ "${pkg:?}" == "$1" ]
-        then
-            return 1
-        fi
-    done
-
-    ecmHostPathSeen+=("$1")
-    return 0
+ecmHostPathIsNotSeen() {
+    if [[ -n "${ecmHostPathsSeen["$1"]:-}" ]]; then
+        # The path has been seen before.
+        return 1
+    else
+        # The path has not been seen before.
+        # Now it is seen, so record it.
+        ecmHostPathsSeen["$1"]=1
+        return 0
+    fi
 }
 
 ecmHostPathHook() {
-    ecmUnseenHostPath "$1" || return 0
+    ecmHostPathIsNotSeen "$1" || return 0
 
     local xdgConfigDir="$1/etc/xdg"
     if [ -d "$xdgConfigDir" ]