fix(pkgs/scripts/fupdate): Avoid polluting the arguments of the update script

Previously, arguments to fupdate were also passed along to the update
script, they should now be filtered out. If passing them along is
wanted, they can be put behind a `--`.

1 files changed, 15 insertions, 0 deletions

diff --git a/sys/nixpkgs/pkgs/scripts/source/apps/fupdate.sh b/sys/nixpkgs/pkgs/scripts/source/apps/fupdate.sh
index 992a451a..c28f363f 100755
--- a/sys/nixpkgs/pkgs/scripts/source/apps/fupdate.sh
+++ b/sys/nixpkgs/pkgs/scripts/source/apps/fupdate.sh
@@ -163,6 +163,21 @@ done
 case "$1" in
 "flake")
     shift 1
+
+    # Filter out fupdate specific flags
+    while [ "$1" != "--" ]; do
+        # FIXME: This check allows to add a flag multiple times, but this should probably
+        # not be allowed <2024-03-29>
+        case "$1" in
+            "--no-script" | "-n")
+                shift 1;
+                ;;
+                *)
+                break;
+                ;;
+        esac
+    done
+
     [ "$1" = "--" ] && shift 1
     main "$@"
     ;;