From 319a9b0673d3bfa330f4ee5da23ca3a70609ffe0 Mon Sep 17 00:00:00 2001
From: Pol Dellaiera <pol.dellaiera@protonmail.com>
Date: Wed, 17 Jul 2024 13:07:49 +0200
Subject: [PATCH 1/2] tika: add `enableOcr` top level parameter, set to `true`
 by default

---
 pkgs/by-name/ti/tika/package.nix | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/pkgs/by-name/ti/tika/package.nix b/pkgs/by-name/ti/tika/package.nix
index 748e24222df1..4e8e685e6945 100644
--- a/pkgs/by-name/ti/tika/package.nix
+++ b/pkgs/by-name/ti/tika/package.nix
@@ -6,6 +6,8 @@
   fetchFromGitHub,
   makeWrapper,
   mvnDepsHash ? null,
+  enableOcr ? true,
+  tesseract,
   nixosTests,
 }:
 
@@ -52,21 +54,25 @@ maven'.buildMavenPackage rec {
 
   nativeBuildInputs = [ makeWrapper ];
 
-  installPhase = ''
-    runHook preInstall
+  installPhase =
+    let
+      binPath = lib.makeBinPath ([ jdk8.jre ] ++ lib.optionals enableOcr [ tesseract ]);
+    in
+    ''
+      runHook preInstall
 
-    # Note: using * instead of version would match multiple files
-    install -Dm644 tika-app/target/tika-app-${version}.jar $out/share/tika/tika-app.jar
-    install -Dm644 tika-server/tika-server-standard/target/tika-server-standard-${version}.jar $out/share/tika/tika-server.jar
+      # Note: using * instead of version would match multiple files
+      install -Dm644 tika-app/target/tika-app-${version}.jar $out/share/tika/tika-app.jar
+      install -Dm644 tika-server/tika-server-standard/target/tika-server-standard-${version}.jar $out/share/tika/tika-server.jar
 
-    makeWrapper ${jdk8.jre}/bin/java $out/bin/tika-app \
-        --add-flags "-jar $out/share/tika/tika-app.jar"
-    makeWrapper ${jdk8.jre}/bin/java $out/bin/tika-server \
-        --prefix PATH : ${lib.makeBinPath [ jdk8.jre ]} \
-        --add-flags "-jar $out/share/tika/tika-server.jar"
+      makeWrapper ${jdk8.jre}/bin/java $out/bin/tika-app \
+          --add-flags "-jar $out/share/tika/tika-app.jar"
+      makeWrapper ${jdk8.jre}/bin/java $out/bin/tika-server \
+          --prefix PATH : ${binPath} \
+          --add-flags "-jar $out/share/tika/tika-server.jar"
 
-    runHook postInstall
-  '';
+      runHook postInstall
+    '';
 
   passthru.tests = {
     inherit (nixosTests) tika;

From 6b3c00c65af2076b572f4d9ab911db3b6d36a282 Mon Sep 17 00:00:00 2001
From: Pol Dellaiera <pol.dellaiera@protonmail.com>
Date: Wed, 17 Jul 2024 13:09:58 +0200
Subject: [PATCH 2/2] nixos/tika: add `enableOcr` option

---
 nixos/modules/services/search/tika.nix | 28 +++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/nixos/modules/services/search/tika.nix b/nixos/modules/services/search/tika.nix
index 7ab0433e220a..94096b6db29f 100644
--- a/nixos/modules/services/search/tika.nix
+++ b/nixos/modules/services/search/tika.nix
@@ -51,6 +51,14 @@ in
         example = literalExpression "./tika/tika-config.xml";
       };
 
+      enableOcr = mkOption {
+        type = types.bool;
+        default = true;
+        description = ''
+          Whether to enable OCR support by adding the `tesseract` package as a dependency.
+        '';
+      };
+
       openFirewall = mkOption {
         type = types.bool;
         default = false;
@@ -69,14 +77,20 @@ in
       wantedBy = [ "multi-user.target" ];
       after = [ "network.target" ];
 
-      serviceConfig = {
-        Type = "simple";
+      serviceConfig =
+        let
+          package = cfg.package.override { inherit (cfg) enableOcr; };
+        in
+        {
+          Type = "simple";
 
-        ExecStart = "${getExe cfg.package} --host ${cfg.listenAddress} --port ${toString cfg.port} ${lib.optionalString (cfg.configFile != null) "--config ${cfg.configFile}"}";
-        DynamicUser = true;
-        StateDirectory = "tika";
-        CacheDirectory = "tika";
-      };
+          ExecStart = "${getExe package} --host ${cfg.listenAddress} --port ${toString cfg.port} ${
+            lib.optionalString (cfg.configFile != null) "--config ${cfg.configFile}"
+          }";
+          DynamicUser = true;
+          StateDirectory = "tika";
+          CacheDirectory = "tika";
+        };
     };
 
     networking.firewall = mkIf cfg.openFirewall { allowedTCPPorts = [ cfg.port ]; };