gnu: Add dicedb.

* gnu/packages/databases.scm (dicedb): New variable.
* gnu/packages/patches/dicedb-remove-init-from-config-subpkg.patch:
New file.
* gnu/local.mk (dist_patch_DATA): Register patch.

Change-Id: Id5c97d254c35301181593b42c96a83a1ef843131
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/local.mk

@@ -1182,6 +1182,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/dee-vapi.patch			\
   %D%/packages/patches/dfu-programmer-fix-libusb.patch		\
   %D%/packages/patches/dhclient-script-resolvconf-support.patch \
+  %D%/packages/patches/dicedb-remove-init-from-config-subpkg.patch	\
   %D%/packages/patches/directfb-davinci-glibc-228-compat.patch	\
   %D%/packages/patches/dkimproxy-add-ipv6-support.patch		\
   %D%/packages/patches/docbook-utils-documentation-edits.patch	\

gnu/packages/databases.scm

@@ -64,6 +64,7 @@
 ;;; Copyright © 2023 Giacomo Leidi <goodoldpaul@autistici.org>
 ;;; Copyright © 2024 Troy Figiel <troy@troyfigiel.com>
 ;;; Copyright © 2024 gemmaro <gemmaro.dev@gmail.com>
+;;; Copyright © 2025 Ashvith Shetty <ashvithshetty0010@zohomail.in>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -110,8 +111,10 @@
   #:use-module (gnu packages glib)
   #:use-module (gnu packages gnome)
   #:use-module (gnu packages gnupg)
+  #:use-module (gnu packages golang)
   #:use-module (gnu packages golang-build)
   #:use-module (gnu packages golang-check)
+  #:use-module (gnu packages golang-crypto)
   #:use-module (gnu packages golang-web)
   #:use-module (gnu packages golang-xyz)
   #:use-module (gnu packages gperf)
@@ -484,6 +487,96 @@ database later.")
            license:mpl1.1            ; examples/interfaces/0{6,8}*.cpp
            license:public-domain)))) ; including files without explicit licence
 
+(define-public dicedb
+  (package
+    (name "dicedb")
+    (version "1.0.3")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/DiceDB/dice")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "19hkr2sqb5vcyrxb17y8586aa9amw2nny2fia7yf2lshigg03va5"))
+       (patches (search-patches "dicedb-remove-init-from-config-subpkg.patch"))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      #:go go-1.23
+      #:install-source? #f
+      #:import-path "github.com/dicedb/dice"
+      #:build-flags
+      #~(list (format #f "-ldflags=-X config.DiceDBVersion=v~a"
+                      #$version))
+      #:test-subdirs
+      #~(list "internal/auth/..."
+              ;; "internal/clientio/..." ; matched no packages
+              "internal/cmd/..."
+              "internal/comm/..."
+              "internal/common/..."
+              "internal/dencoding/..."
+              "internal/errors/..."
+              ;; "internal/eval/..." ; build failed
+              "internal/id/..."
+              "internal/iomultiplexer/..."
+              "internal/logger/..."
+              "internal/object/..."
+              "internal/observability/..."
+              "internal/ops/..."
+              "internal/querymanager/..."
+              "internal/regex/..."
+              "internal/server/..."
+              "internal/shard/..."
+              ;; "internal/sql/..." ; matched no packages
+              ;; "internal/store/..." ; build failed
+              "internal/wal/..."
+              "internal/watchmanager/..."
+              ;; "internal/worker/..." ; matched no packages
+              )
+      #:test-flags
+      #~(list "-skip"
+              (string-join (list "TestSessionIsActive" "TestSessionActivate"
+                                 "TestSessionValidate" "TestDEL") "|"))
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'remove-example
+            (lambda* (#:key tests? import-path #:allow-other-keys)
+              (with-directory-excursion (string-append "src/" import-path)
+                (delete-file-recursively "examples")))))))
+    (propagated-inputs (list go-google-golang-org-protobuf
+                             go-golang-org-x-crypto
+                             go-github-com-twmb-murmur3
+                             go-github-com-stretchr-testify
+                             go-github-com-spf13-viper
+                             go-github-com-spf13-pflag
+                             go-github-com-spf13-cobra
+                             go-github-com-rs-zerolog
+                             go-github-com-rs-xid
+                             go-github-com-ohler55-ojg
+                             go-github-com-mmcloughlin-geohash
+                             go-github-com-google-uuid
+                             go-github-com-google-go-cmp
+                             go-github-com-google-btree
+                             go-github-com-gobwas-glob
+                             go-github-com-dicedb-dicedb-go
+                             go-github-com-dgryski-go-farm
+                             go-github-com-cespare-xxhash-v2
+                             go-github-com-bytedance-sonic
+                             go-github-com-axiomhq-hyperloglog
+                             go-gotest-tools-v3))
+    (home-page "https://github.com/dicedb/dice")
+    (synopsis
+     "Fast, reactive, in-memory database optimized for modern hardware")
+    (description
+     "@code{dicedb} is a fast, reactive, in-memory database optimized
+for modern hardware.  Commonly used as a cache, it offers a familiar interface
+while enabling real-time data updates through query subscriptions.  It delivers
+higher throughput and lower median latencies, making it ideal for modern
+workloads.")
+    (license license:bsd-3)))
+
 (define-public leveldb
   (package
     (name "leveldb")

gnu/packages/patches/dicedb-remove-init-from-config-subpkg.patch

@@ -0,0 +1,50 @@
+If built locally, dicedb works for as long as the build cache in the tmp
+directory exists - it looks for a file called VERSION in the project root.
+Once cleared, or in the case of downloading from substitute server, the
+location of the VERSION file is invalid. Removing this code and instead
+providing them through the flag resolves this issue.
+
+diff --git a/config/config.go b/config/config.go
+index b358813..c408096 100644
+--- a/config/config.go
++++ b/config/config.go
+@@ -9,8 +9,6 @@ import (
+ 	"os"
+ 	"path/filepath"
+ 	"reflect"
+-	"runtime"
+-	"strings"
+ 
+ 	"github.com/spf13/pflag"
+ 	"github.com/spf13/viper"
+@@ -20,30 +18,6 @@ var (
+ 	DiceDBVersion = "-"
+ )
+ 
+-// init initializes the DiceDBVersion variable by reading the
+-// VERSION file from the project root.
+-// This function runs automatically when the package is imported.
+-func init() {
+-	// Get the absolute path of the current file (config.go)
+-	// using runtime reflection
+-	_, currentFile, _, _ := runtime.Caller(0) //nolint:dogsled
+-
+-	// Navigate up two directories from config.go to reach the project root
+-	// (config.go is in the config/ directory, so we need to go up twice)
+-	projectRoot := filepath.Dir(filepath.Dir(currentFile))
+-
+-	// Read the VERSION file from the project root
+-	// This approach works regardless of where the program is executed from
+-	version, err := os.ReadFile(filepath.Join(projectRoot, "VERSION"))
+-	if err != nil {
+-		slog.Error("could not read the version file", slog.String("error", err.Error()))
+-		os.Exit(1)
+-	}
+-
+-	// Store the version string in the package-level DiceDBVersion variable
+-	DiceDBVersion = strings.TrimSpace(string(version))
+-}
+-
+ var Config *DiceDBConfig
+ 
+ type DiceDBConfig struct {