diff options
Diffstat (limited to 'modules/build.nix')
| -rw-r--r-- | modules/build.nix | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/modules/build.nix b/modules/build.nix new file mode 100644 index 0000000..dfff338 --- /dev/null +++ b/modules/build.nix @@ -0,0 +1,174 @@ +{ config, pkgs, lib, ... }: +with builtins // lib; +let + cfg = config.build; + + copyFileFunc = '' + function copyFile() { + local SOURCE="$1" + local RELTARGET="$2" + local EXECUTABLE="3" + + local TARGET + TARGET="$(realpath -m "$REALOUT/$RELTARGET")" + if [[ ! $TARGET == $REALOUT* ]]; then + echo "Error installing file $RELTARGET outside of kobo src" >&2 + exit 1 + fi + + mkdir -pv "$(dirname "$TARGET")" + if [[ -d "$SOURCE" ]]; then + if [[ -d "$TARGET" ]]; then + cp -rfv "$SOURCE/." "$TARGET/" + else + cp -rfv "$SOURCE" "$TARGET" + fi + else + cp -fv "$SOURCE" "$TARGET" + fi + + if [[ "$EXECUTABLE" == "inherit" ]]; then + : + elif [[ "$EXECUTABLE" ]]; then + chmod +x "$TARGET" + else + chmod -x "$TARGET" + fi + } + ''; + + copyFile = { source, executable, target, ... }: '' + copyFile ${escapeShellArgs [ + source + (if executable == null then "inherit" else toString executable) + ]} + ''; + + installFile = writeShellApplication { + name = "kobo-install-file"; + runtimeInputs = [ pkgs.coreutils ]; + text = '' + DRY_RUN_ARG="''${1-}" + LOCAL_DIR="''${2-}" + KOBO_DIR="''${3-}" + LOCAL_FILE="''${4-}" + + FILENAME="''${LOCAL_FILE/#$LOCAL_DIR}" + KOBO_FILE="$KOBO_DIR/$FILENAME" + + ${toShellVar "MANIFEST" (cfg.manifestLookupFor "$LOCAL_FILE" "$KOBO_FILE")} + + ACTION="''${MANIFEST["$FILENAME"]}" + + if [[ -n "$ACTION" ]]; then + $DRY_RUN_ARG eval "$ACTION" + elif [[ -d "$LOCAL_FILE" ]]; then + $DRY_RUN_ARG mkdir -p "$KOBO_FILE" + else + $DRY_RUN_ARG mkdir -p "$(dirname "$KOBO_FILE")" + $DRY_RUN_ARG cp -f "$LOCAL_FILE" "$KOBO_FILE" + fi + ''; + }; +in { + options.build = { + allFiles = mkOption { + readOnly = true; + internal = true; + default = with config; concatMap (_: attrValues) [ + file + kfmon.file + kobo.file + koreader.file + nickel.file + plato.file + ]; + apply = filter (v: v.enable); + }; + + allManifests = mkOption { + readOnly = true; + internal = true; + default = with config; concatMap (_: attrValues) [ + manifest + kfmon.manifest + kobo.manifest + koreader.manifest + nickel.manifest + plato.manifest + ]; + apply = filter (v: v.enable); + }; + + manifestLookup = mkOption { + readOnly = true; + internal = true; + type = with types; attrsOf (functionTo (functionTo str)); + default = + let + split = concatMap ({ targets, mergeTool, ... }: map (name: { inherit name; value = mergeTool; }) targets); + in listToAttrs split; + }; + + manifestLookupFor = mkOption { + readOnly = true; + internal = true; + type = with types; functionTo (functionTo (attrsOf str)); + default = x: y: mapAttrs (_: f: f x y) cfg.manifestLookup; + }; + + src = mkOption { + type = types.package; + readOnly = true; + internal = true; + default = pkgs.stdenv.mkDerivation { + inherit (config) src; + name = "kobo_src"; + phases = [ "installPhase" ]; + installPhase = '' + mkdir -pv $out + cp -rv $src/. $out/ + chmod -R +w $out + + REALOUT="$(realpath -m "$out")" + + ${copyFileFunc} + + ${concatStringsSep "\n" ( + mapAttrsToList (_: copyFile) cfg.allFiles + )} + ''; + }; + }; + + installer = mkOption { + type = types.package; + readOnly = true; + internal = true; + default = pkgs.writeShellApplication { + name = "kobo-installer"; + runtimeInputs = [ + pkgs.coreutils + pkgs.util-linux + ]; + text = '' #TODO DRY_RUN_ARG + KOBO_LABEL="''${1:-KOBOeReader}" + + KOBO_MOUNTPOINT="$(findmnt -nlo TARGET LABEL="$KOBO_LABEL")" + if [[ -z "$KOBO_MOUNTPOINT" ]]; then + echo "Couldn't find a Kobo eReader volume with label $KOBO_LABEL. Are you sure one is actually mounted?" + exit 255 + fi + + KOBO_DIR="$KOBO_MOUNTPOINT/.kobo" + if [[ ! -d "$KOBO_DIR" ]]; then + echo "It doesn't seem like $KOBO_MOUNTPOINT actually points to a Kobo eReader since it doesn't contain a .kobo directory . . . " + exit 255 + fi + + find "${cfg.src}/" -not -path "${cfg.src}/" -exec ${installFile}/bin/kobo-install-file "" "${cfg.src}" "$KOBO_DIR" {} \; + ''; + }; + }; + }; +} |