646b892680
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58 lines
1.2 KiB
Bash
Executable File
58 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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attr=$1
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: ${NIXPKGS=/etc/nixos/nixpkgs}
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tmp=$(mktemp --tmpdir -d nixpkgs-dep-license.XXXXXX)
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exitHandler() {
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exitCode=$?
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rm -rf "$tmp"
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return $exitCode
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}
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trap "exitHandler" EXIT
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# fetch the trace and the drvPath of the attribute.
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nix-instantiate $NIXPKGS -A $attr --show-trace > "$tmp/drvPath" 2> "$tmp/trace" || {
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cat 1>&2 - "$tmp/trace" <<EOF
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An error occurred while evaluating $attr.
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EOF
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exit 1
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}
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# generate a sed script based on the trace output.
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sed '
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\,@:.*:@, {
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# \1 *.drv file
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# \2 License terms
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s,.*@:drv:\(.*\):\(.*\):@.*,s!\1!\1: \2!; t;,
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s!Str(\\\"\([^,]*\)\\\",\[\])!\1!g
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b
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}
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d
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' "$tmp/trace" > "$tmp/filter.sed"
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if test $(wc -l "$tmp/filter.sed" | sed 's/ .*//') == 0; then
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echo 1>&2 "
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No derivation mentionned in the stack trace. Either your derivation does
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not use stdenv.mkDerivation or you forgot to use the stdenv adapter named
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traceDrvLicenses.
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- defaultStdenv = allStdenvs.stdenv;
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+ defaultStdenv = traceDrvLicenses allStdenvs.stdenv;
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"
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exit 1
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fi
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# remove all dependencies which are using stdenv.mkDerivation
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echo '
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d
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' >> "$tmp/filter.sed"
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nix-store -q --tree $(cat "$tmp/drvPath") | sed -f "$tmp/filter.sed"
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exit 0;
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