56 lines
1.1 KiB
Bash
Executable file
56 lines
1.1 KiB
Bash
Executable file
#!/bin/sh
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prog=$0
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usage(){
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echo 1>&2 "
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$prog module-dir
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This script generates the \`module-list.nix' index file inside the
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module directory.
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"
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exit 1
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}
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: ${NIXPKGS=/etc/nixos/nixpkgs}
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is_module(){
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local file=$1
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echo "
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let
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appIfFun = f: x: if builtins.isFunction f then f x else f;
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in
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builtins.isAttrs (
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appIfFun (import $file) {
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pkgs = (import $NIXPKGS) {};
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config = {};
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dummy = 42;
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}
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)
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" | nix-instantiate - --eval-only
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}
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generate_index(){
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local path="$1"
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cd "$path"
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echo -n "$path: " 1>&2
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{ echo "[ # This file has been generated by $(basename $prog)";
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for file in : $(find ./ -wholename '*.impl[./]*' -or -wholename './module-list.nix' -or -type f -name '*.nix' -print | sort); do
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[ "$file" = ':' ] && continue;
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echo -n . 1>&2
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if test "$(is_module "$file" 2> /dev/null)" = "Bool(True)"; then
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echo " $file"
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else
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echo "##### $file"
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is_module "$file" 2>&1 | sed 's/^/# /'
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fi
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done
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echo ']';
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} > ./module-list.nix
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echo 1>&2
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cd - > /dev/null
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}
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[ $# -eq 1 ] || usage;
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generate_index "$1"
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