38 lines
930 B
Nix
38 lines
930 B
Nix
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{
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runCommand,
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pkg-config,
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gdk-pixbuf,
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lib,
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stdenv,
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buildPackages,
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}:
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{
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extraLoaders,
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}:
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let
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# Get packages to generate the cache for. We always include gdk-pixbuf.
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loaderPackages = [
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gdk-pixbuf
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] ++ extraLoaders;
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in
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# Generate the cache file by running gdk-pixbuf-query-loaders for each
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# package and concatenating the results.
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runCommand "gdk-pixbuf-loaders.cache" {
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preferLocalBuild = true;
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} ''
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(
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for package in ${lib.escapeShellArgs loaderPackages}; do
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module_dir="$package/${gdk-pixbuf.moduleDir}"
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if [[ ! -d "$module_dir" ]]; then
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echo "Error: gdkPixbufCacheBuilder: Passed package “''${package}” does not contain GdkPixbuf loaders in “${gdk-pixbuf.moduleDir}”." 1>&2
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exit 1
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fi
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GDK_PIXBUF_MODULEDIR="$module_dir" \
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${stdenv.hostPlatform.emulator buildPackages} ${gdk-pixbuf.dev}/bin/gdk-pixbuf-query-loaders
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done
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) > "$out"
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''
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