diff options
Diffstat (limited to 'pkgs/os-specific/linux/device-tree/default.nix')
-rw-r--r-- | pkgs/os-specific/linux/device-tree/default.nix | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/pkgs/os-specific/linux/device-tree/default.nix b/pkgs/os-specific/linux/device-tree/default.nix index 88791a1fb1d..8b8cca911a9 100644 --- a/pkgs/os-specific/linux/device-tree/default.nix +++ b/pkgs/os-specific/linux/device-tree/default.nix @@ -8,22 +8,35 @@ with lib; { overlays = toList overlays'; in '' mkdir -p $out - cd ${base} + cd "${base}" find . -type f -name '*.dtb' -print0 \ - | xargs -0 cp -v --no-preserve=mode --target-directory $out --parents + | xargs -0 cp -v --no-preserve=mode --target-directory "$out" --parents - for dtb in $(find $out -type f -name '*.dtb'); do - dtbCompat="$( fdtget -t s $dtb / compatible )" + for dtb in $(find "$out" -type f -name '*.dtb'); do + dtbCompat=$(fdtget -t s "$dtb" / compatible 2>/dev/null || true) + # skip files without `compatible` string + test -z "$dtbCompat" && continue ${flip (concatMapStringsSep "\n") overlays (o: '' - overlayCompat="$( fdtget -t s ${o.dtboFile} / compatible )" - # overlayCompat in dtbCompat - if [[ "$dtbCompat" =~ "$overlayCompat" ]]; then - echo "Applying overlay ${o.name} to $( basename $dtb )" - mv $dtb{,.in} - fdtoverlay -o "$dtb" -i "$dtb.in" ${o.dtboFile}; - rm $dtb.in + overlayCompat="$(fdtget -t s "${o.dtboFile}" / compatible)" + + # skip incompatible and non-matching overlays + if [[ ! "$dtbCompat" =~ "$overlayCompat" ]]; then + echo -n "Skipping overlay ${o.name}: incompatible with $(basename "$dtb")" + continue + fi + ${optionalString (o.filter != null) '' + if [[ "''${dtb//${o.filter}/}" == "$dtb" ]]; then + echo -n "Skipping overlay ${o.name}: filter does not match $(basename "$dtb")" + continue fi + ''} + + echo -n "Applying overlay ${o.name} to $(basename "$dtb")... " + mv "$dtb"{,.in} + fdtoverlay -o "$dtb" -i "$dtb.in" "${o.dtboFile}" + echo "ok" + rm "$dtb.in" '')} done |