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-rw-r--r--third_party/gerrit/default.nix158
1 files changed, 158 insertions, 0 deletions
diff --git a/third_party/gerrit/default.nix b/third_party/gerrit/default.nix
new file mode 100644
index 000000000000..b228e600fdc9
--- /dev/null
+++ b/third_party/gerrit/default.nix
@@ -0,0 +1,158 @@
+{ depot, pkgs, ... }:
+
+let
+  bazelRunScript = pkgs.writeShellScriptBin "bazel-run" ''
+    yarn config set cache-folder "$bazelOut/external/yarn_cache"
+    export HOME="$bazelOut/external/home"
+    mkdir -p "$bazelOut/external/home"
+    exec /bin/bazel "$@"
+  '';
+  bazelTop = pkgs.buildFHSUserEnv {
+    name = "bazel";
+    targetPkgs = pkgs: [
+      (pkgs.bazel_5.override { enableNixHacks = true; })
+      pkgs.jdk11_headless
+      pkgs.zlib
+      pkgs.python3
+      pkgs.curl
+      pkgs.nodejs
+      pkgs.yarn
+      pkgs.git
+      bazelRunScript
+    ];
+    runScript = "/bin/bazel-run";
+  };
+  bazel = bazelTop // { override = x: bazelTop; };
+  version = "3.7.0-rc4";
+in
+pkgs.lib.makeOverridable pkgs.buildBazelPackage {
+  pname = "gerrit";
+  inherit version;
+
+  src = pkgs.fetchgit {
+    url = "https://gerrit.googlesource.com/gerrit";
+    rev = "3e445c7833c4acf49f1171fe4c82ceb32e93c780";
+    branchName = "v${version}";
+    sha256 = "sha256:002aw2bfifyla66v8khyiq4m9qj6ahs6r1dzb5kjk8xqpf6c6q9p";
+    fetchSubmodules = true;
+  };
+
+  patches = [
+    ./0001-Syntax-highlight-nix.patch
+    ./0002-Syntax-highlight-rules.pl.patch
+    ./0003-Add-titles-to-CLs-over-HTTP.patch
+  ];
+
+  bazelTargets = [ "release" "api-skip-javadoc" ];
+  inherit bazel;
+
+  bazelFlags = [
+    "--repository_cache="
+    "--disk_cache="
+  ];
+
+  removeRulesCC = false;
+  fetchConfigured = true;
+
+  fetchAttrs = {
+    sha256 = "sha256:1a31bkl723dyd906h0m54j2mnvgs82j3xr85ca07g35vncmh3lm2";
+    preBuild = ''
+      rm .bazelversion
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      # Remove all built in external workspaces, Bazel will recreate them when building
+      rm -rf $bazelOut/external/{bazel_tools,\@bazel_tools.marker}
+      rm -rf $bazelOut/external/{embedded_jdk,\@embedded_jdk.marker}
+      rm -rf $bazelOut/external/{local_config_cc,\@local_config_cc.marker}
+      rm -rf $bazelOut/external/{local_*,\@local_*.marker}
+
+      # Clear markers
+      find $bazelOut/external -name '@*\.marker' -exec sh -c 'echo > {}' \;
+
+      # Remove all vcs files
+      rm -rf $(find $bazelOut/external -type d -name .git)
+      rm -rf $(find $bazelOut/external -type d -name .svn)
+      rm -rf $(find $bazelOut/external -type d -name .hg)
+
+      # Removing top-level symlinks along with their markers.
+      # This is needed because they sometimes point to temporary paths (?).
+      # For example, in Tensorflow-gpu build:
+      # platforms -> NIX_BUILD_TOP/tmp/install/35282f5123611afa742331368e9ae529/_embedded_binaries/platforms
+      find $bazelOut/external -maxdepth 1 -type l | while read symlink; do
+        name="$(basename "$symlink")"
+        rm -rf "$symlink" "$bazelOut/external/@$name.marker"
+      done
+
+      # Patching symlinks to remove build directory reference
+      find $bazelOut/external -type l | while read symlink; do
+        new_target="$(readlink "$symlink" | sed "s,$NIX_BUILD_TOP,NIX_BUILD_TOP,")"
+        rm "$symlink"
+        ln -sf "$new_target" "$symlink"
+      done
+
+      echo '${bazel.name}' > $bazelOut/external/.nix-bazel-version
+
+      # Gerrit fixups:
+      # Normalize permissions on .yarn-{tarball,metadata} files
+      find $bazelOut/external/yarn_cache \( -name .yarn-tarball.tgz -or -name .yarn-metadata.json \) -exec chmod 644 {} +
+
+      mkdir $bazelOut/_bits/
+      find . -name node_modules -prune -print | while read d; do
+        echo "$d" "$(dirname $d)"
+        mkdir -p $bazelOut/_bits/$(dirname $d)
+        cp -R "$d" "$bazelOut/_bits/$(dirname $d)/node_modules"
+      done
+
+      (cd $bazelOut/ && tar czf $out --sort=name --mtime='@1' --owner=0 --group=0 --numeric-owner external/ _bits/)
+
+      runHook postInstall
+    '';
+  };
+
+  buildAttrs = {
+    preConfigure = ''
+      rm .bazelversion
+
+      cp -R $bazelOut/_bits/* ./
+    '';
+    postPatch = ''
+      # Disable all errorprone checks, since we might be using a different version.
+      sed -i \
+        -e '/-Xep:/d' \
+        -e '/-XepExcludedPaths:/a "-XepDisableAllChecks",' \
+        tools/BUILD
+    '';
+    installPhase = ''
+      mkdir -p "$out"/webapps/ "$out"/share/api/
+      cp bazel-bin/release.war "$out"/webapps/gerrit-${version}.war
+      unzip bazel-bin/api-skip-javadoc.zip -d "$out"/share/api
+    '';
+
+    nativeBuildInputs = with pkgs; [
+      unzip
+    ];
+  };
+
+  passthru = {
+    # A list of plugins that are part of the gerrit.war file.
+    # Use `java -jar gerrit.war ls | grep -Po '(?<=plugins/)[^.]+' | sed -e 's,^,",' -e 's,$,",' | sort` to generate that list.
+    plugins = [
+      "codemirror-editor"
+      "commit-message-length-validator"
+      "delete-project"
+      "download-commands"
+      "gitiles"
+      "hooks"
+      "plugin-manager"
+      "replication"
+      "reviewnotes"
+      "singleusergroup"
+      "webhooks"
+    ];
+  };
+
+  meta.ci.targets = [ "deps" ];
+}