f275b320d9
Name should be used as filename and desktopName for the name attribute of the desktop entry (according to docs).
61 lines
2.1 KiB
Nix
61 lines
2.1 KiB
Nix
{ lib, runCommandLocal, desktop-file-utils }:
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# See https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html
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{ name # The name of the desktop file
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, type ? "Application"
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, exec
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, icon ? null
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, comment ? null
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, terminal ? false
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, desktopName # The name of the application
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, genericName ? null
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, mimeType ? null
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, categories ? null
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, startupNotify ? null
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, extraDesktopEntries ? {} # Extra key-value pairs to add to the [Desktop Entry] section. This may override other values
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, extraEntries ? "" # Extra configuration. Will be appended to the end of the file and may thus contain extra sections
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, fileValidation ? true # whether to validate resulting desktop file.
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}:
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let
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# like builtins.toString, but null -> null instead of null -> ""
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nullableToString = value: if value == null then null
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else if builtins.isBool value then lib.boolToString value
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else builtins.toString value;
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# The [Desktop entry] section of the desktop file, as attribute set.
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mainSection = {
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"Type" = toString type;
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"Exec" = nullableToString exec;
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"Icon" = nullableToString icon;
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"Comment" = nullableToString comment;
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"Terminal" = nullableToString terminal;
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"Name" = toString desktopName;
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"GenericName" = nullableToString genericName;
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"MimeType" = nullableToString mimeType;
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"Categories" = nullableToString categories;
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"StartupNotify" = nullableToString startupNotify;
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} // extraDesktopEntries;
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# Map all entries to a list of lines
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desktopFileStrings =
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["[Desktop Entry]"]
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++ builtins.filter
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(v: v != null)
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(lib.mapAttrsToList
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(name: value: if value != null then "${name}=${value}" else null)
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mainSection
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)
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++ (if extraEntries == "" then [] else ["${extraEntries}"]);
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in
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runCommandLocal "${name}.desktop" {}
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(''
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mkdir -p "$out/share/applications"
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cat > "$out/share/applications/${name}.desktop" <<EOF
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${builtins.concatStringsSep "\n" desktopFileStrings}
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EOF
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'' + lib.optionalString fileValidation ''
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echo "Running desktop-file validation"
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${desktop-file-utils}/bin/desktop-file-validate "$out/share/applications/${name}.desktop"
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'')
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