mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 14:11:36 +00:00
4dad0ae560
Timestamp verification skip is no longer needed (not sure why). Generally we better off always using the environment hack for all packages because that ensures all NIX_* flags are correctly applied. One possible improvement in future is to filter only NIX_* variables to passthru in Bazel.
125 lines
4.1 KiB
Nix
125 lines
4.1 KiB
Nix
{ stdenv, bazel, cacert }:
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args@{ name, bazelFlags ? [], bazelTarget, buildAttrs, fetchAttrs, ... }:
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let
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fArgs = removeAttrs args [ "buildAttrs" "fetchAttrs" ];
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fBuildAttrs = fArgs // buildAttrs;
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fFetchAttrs = fArgs // removeAttrs fetchAttrs [ "sha256" ];
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in stdenv.mkDerivation (fBuildAttrs // {
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inherit name bazelFlags bazelTarget;
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deps = stdenv.mkDerivation (fFetchAttrs // {
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name = "${name}-deps";
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inherit bazelFlags bazelTarget;
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nativeBuildInputs = fFetchAttrs.nativeBuildInputs or [] ++ [ bazel ];
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preHook = fFetchAttrs.preHook or "" + ''
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export bazelOut="$(echo ''${NIX_BUILD_TOP}/output | sed -e 's,//,/,g')"
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export bazelUserRoot="$(echo ''${NIX_BUILD_TOP}/tmp | sed -e 's,//,/,g')"
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export HOME="$NIX_BUILD_TOP"
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# This is needed for git_repository with https remotes
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export GIT_SSL_CAINFO="${cacert}/etc/ssl/certs/ca-bundle.crt"
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'';
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buildPhase = fFetchAttrs.buildPhase or ''
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runHook preBuild
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# Bazel computes the default value of output_user_root before parsing the
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# flag. The computation of the default value involves getting the $USER
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# from the environment. I don't have that variable when building with
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# sandbox enabled. Code here
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# https://github.com/bazelbuild/bazel/blob/9323c57607d37f9c949b60e293b573584906da46/src/main/cpp/startup_options.cc#L123-L124
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#
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# On macOS Bazel will use the system installed Xcode or CLT toolchain instead of the one in the PATH unless we pass BAZEL_USE_CPP_ONLY_TOOLCHAIN
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# We disable multithreading for the fetching phase since it can lead to timeouts with many dependencies/threads:
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# https://github.com/bazelbuild/bazel/issues/6502
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BAZEL_USE_CPP_ONLY_TOOLCHAIN=1 \
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USER=homeless-shelter \
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bazel \
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--output_base="$bazelOut" \
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--output_user_root="$bazelUserRoot" \
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fetch \
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--loading_phase_threads=1 \
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$bazelFlags \
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$bazelTarget
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runHook postBuild
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'';
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installPhase = fFetchAttrs.installPhase or ''
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runHook preInstall
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# Remove all built in external workspaces, Bazel will recreate them when building
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rm -rf $bazelOut/external/{bazel_tools,\@bazel_tools.marker}
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rm -rf $bazelOut/external/{embedded_jdk,\@embedded_jdk.marker}
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rm -rf $bazelOut/external/{local_*,\@local_*}
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# Patching markers to make them deterministic
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find $bazelOut/external -name '@*\.marker' -exec sed -i \
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-e 's, -\?[0-9][0-9]*$, 1,' \
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-e '/^ENV:TMP.*/d' \
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'{}' \;
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# Remove all vcs files
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rm -rf $(find $bazelOut/external -type d -name .git)
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rm -rf $(find $bazelOut/external -type d -name .svn)
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rm -rf $(find $bazelOut/external -type d -name .hg)
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# Patching symlinks to remove build directory reference
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find $bazelOut/external -type l | while read symlink; do
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new_target="$(readlink "$symlink" | sed "s,$NIX_BUILD_TOP,NIX_BUILD_TOP,")"
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rm "$symlink"
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ln -sf "$new_target" "$symlink"
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done
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cp -r $bazelOut/external $out
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runHook postInstall
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'';
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dontFixup = true;
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allowedRequisites = [];
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outputHashMode = "recursive";
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outputHashAlgo = "sha256";
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outputHash = fetchAttrs.sha256;
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});
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nativeBuildInputs = fBuildAttrs.nativeBuildInputs or [] ++ [ (bazel.override { enableNixHacks = true; }) ];
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preHook = fBuildAttrs.preHook or "" + ''
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export bazelOut="$NIX_BUILD_TOP/output"
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export bazelUserRoot="$NIX_BUILD_TOP/tmp"
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export HOME="$NIX_BUILD_TOP"
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'';
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preConfigure = ''
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mkdir -p "$bazelOut"
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cp -r $deps $bazelOut/external
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chmod -R +w $bazelOut
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find $bazelOut -type l | while read symlink; do
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ln -sf $(readlink "$symlink" | sed "s,NIX_BUILD_TOP,$NIX_BUILD_TOP,") "$symlink"
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done
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'' + fBuildAttrs.preConfigure or "";
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buildPhase = fBuildAttrs.buildPhase or ''
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runHook preBuild
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BAZEL_USE_CPP_ONLY_TOOLCHAIN=1 \
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USER=homeless-shelter \
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bazel \
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--output_base="$bazelOut" \
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--output_user_root="$bazelUserRoot" \
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build \
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-j $NIX_BUILD_CORES \
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$bazelFlags \
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$bazelTarget
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runHook postBuild
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'';
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})
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