atlassian services: allow overriding package (#55685)

nixos/modules/services/web-apps/atlassian/confluence.nix

@@ -6,7 +6,7 @@ let
 
   cfg = config.services.confluence;
 
-  pkg = pkgs.atlassian-confluence.override (optionalAttrs cfg.sso.enable {
+  pkg = cfg.package.override (optionalAttrs cfg.sso.enable {
     enableSSO = cfg.sso.enable;
     crowdProperties = ''
       application.name                        ${cfg.sso.applicationName}
@@ -125,7 +125,12 @@ in
         };
       };
 
-
+      package = mkOption {
+        type = types.package;
+        default = pkgs.atlassian-confluence;
+        defaultText = "pkgs.atlassian-confluence";
+        description = "Atlassian Confluence package to use.";
+      };
 
       jrePackage = mkOption {
         type = types.package;

nixos/modules/services/web-apps/atlassian/crowd.nix

@@ -6,7 +6,7 @@ let
 
   cfg = config.services.crowd;
 
-  pkg = pkgs.atlassian-crowd.override {
+  pkg = cfg.package.override {
     home = cfg.home;
     port = cfg.listenPort;
     openidPassword = cfg.openidPassword;
@@ -93,6 +93,13 @@ in
         };
       };
 
+      package = mkOption {
+        type = types.package;
+        default = pkgs.atlassian-crowd;
+        defaultText = "pkgs.atlassian-crowd";
+        description = "Atlassian Crowd package to use.";
+      };
+
       jrePackage = mkOption {
         type = types.package;
         default = pkgs.oraclejre8;

nixos/modules/services/web-apps/atlassian/jira.nix

@@ -6,7 +6,7 @@ let
 
   cfg = config.services.jira;
 
-  pkg = pkgs.atlassian-jira.override (optionalAttrs cfg.sso.enable {
+  pkg = cfg.package.override (optionalAttrs cfg.sso.enable {
     enableSSO = cfg.sso.enable;
     crowdProperties = ''
       application.name                        ${cfg.sso.applicationName}
@@ -131,6 +131,13 @@ in
         };
       };
 
+      package = mkOption {
+        type = types.package;
+        default = pkgs.atlassian-jira;
+        defaultText = "pkgs.atlassian-jira";
+        description = "Atlassian JIRA package to use.";
+      };
+
       jrePackage = mkOption {
         type = types.package;
         default = pkgs.oraclejre8;