68 lines
2.1 KiB
Nix
68 lines
2.1 KiB
Nix
{ lib, buildGoModule, fetchFromGitHub }:
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buildGoModule rec {
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pname = "pdfcpu";
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version = "0.6.0";
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src = fetchFromGitHub {
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owner = "pdfcpu";
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repo = pname;
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rev = "v${version}";
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hash = "sha256-New0+pWtKdEx/k69pNisNKYj6p998HoEjAhQEDugP/g=";
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# Apparently upstream requires that the compiled executable will know the
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# commit hash and the date of the commit. This information is also presented
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# in the output of `pdfcpu version` which we use as a sanity check in the
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# installCheckPhase. This was discussed upstream in:
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#
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# - https://github.com/pdfcpu/pdfcpu/issues/751
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# - https://github.com/pdfcpu/pdfcpu/pull/752
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#
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# The trick used here is to write that information into files in `src`'s
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# `$out`, and then read them into the `ldflags`. We also delete the `.git`
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# directories in `src`'s $out afterwards, imitating what's done if
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# `leaveDotGit = false;` See also:
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# https://github.com/NixOS/nixpkgs/issues/8567
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leaveDotGit = true;
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postFetch = ''
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cd "$out"
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git rev-parse HEAD > $out/COMMIT
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git log -1 --pretty=%cd --date=format:'%Y-%m-%dT%H:%M:%SZ' > $out/SOURCE_DATE
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find "$out" -name .git -print0 | xargs -0 rm -rf
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'';
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};
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vendorHash = "sha256-jVX/CFf9dd9qD3gyGVDjbfINtPLCsgdjWFix4BCpDZ0=";
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ldflags = [
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"-s"
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"-w"
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"-X main.version=v${version}"
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];
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# ldflags based on metadata from git and source
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preBuild = ''
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ldflags+=" -X main.commit=$(cat COMMIT)"
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ldflags+=" -X main.date=$(cat SOURCE_DATE)"
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'';
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# No tests
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doCheck = false;
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doInstallCheck = true;
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installCheckPhase = ''
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export HOME=$(mktemp -d)
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echo checking the version print of pdfcpu
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$out/bin/pdfcpu version | grep ${version}
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$out/bin/pdfcpu version | grep $(cat COMMIT | cut -c1-8)
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$out/bin/pdfcpu version | grep $(cat SOURCE_DATE)
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'';
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subPackages = [ "cmd/pdfcpu" ];
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meta = with lib; {
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description = "A PDF processor written in Go";
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homepage = "https://pdfcpu.io";
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license = licenses.asl20;
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maintainers = with maintainers; [ doronbehar ];
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};
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}
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