feat: build info

i have this plan for quite a while now, finally i am able to do this

build-number.txt

@@ -0,0 +1 @@
+1107

build.gradle

@@ -1,3 +1,5 @@
+import java.text.SimpleDateFormat
+
 plugins {
     id 'java'
     id 'application'
@@ -57,6 +59,51 @@ dependencies {
     implementation 'org.concentus:Concentus:1.0-SNAPSHOT'
 }
 
+static def getGitCommitHash() {
+    try {
+        return 'git rev-parse --short HEAD'.execute().text.trim()
+    } catch (Exception e) {
+        e.printStackTrace()
+
+        return "unknown"
+    }
+}
+
+static def getGitCommitCount() {
+    try {
+        return 'git rev-list --count HEAD'.execute().text.trim()
+    } catch (Exception e) {
+        e.printStackTrace()
+
+        return "unknown"
+    }
+}
+
+def buildNumberFile = file("build-number.txt")
+def buildNumber = 0
+
+if (buildNumberFile.exists()) {
+    buildNumber = buildNumberFile.text.trim().toInteger() + 1
+} else {
+    buildNumber = 1
+}
+
+buildNumberFile.text = buildNumber
+
+ext.buildInfo = [
+        gitCommitCount: getGitCommitCount(),
+        compileDate: new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z").format(new Date()),
+        gitCommitHash: getGitCommitHash(),
+        buildNumber: buildNumber,
+]
+
+processResources {
+    inputs.property("buildInfo", buildInfo)
+    filesMatching("application.properties") {
+        expand(buildInfo)
+    }
+}
+
 application {
     mainClass = 'me.chayapak1.chomens_bot.Main'
 }

src/main/java/me/chayapak1/chomens_bot/commands/InfoCommand.java

@@ -15,6 +15,7 @@ import net.kyori.adventure.text.format.TextColor;
 import net.kyori.adventure.text.format.TextDecoration;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.RandomAccessFile;
 import java.lang.management.ManagementFactory;
 import java.lang.management.MemoryUsage;
@@ -29,15 +30,20 @@ import java.time.Instant;
 import java.time.OffsetDateTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
-import java.util.Arrays;
-import java.util.Date;
-import java.util.Optional;
-import java.util.TimeZone;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
 
 public class InfoCommand extends Command {
     public static final String ORIGINAL_REPOSITORY_URL = "https://code.chipmunk.land/ChomeNS/chomens-bot-java";
 
+    public static final Properties BUILD_INFO = new Properties();
+
+    static {
+        try (final InputStream input = ClassLoader.getSystemClassLoader().getResourceAsStream("application.properties")) {
+            BUILD_INFO.load(input);
+        } catch (IOException ignored) {}
+    }
+
     public InfoCommand () {
         super(
                 "info",
@@ -261,6 +267,35 @@ public class InfoCommand extends Command {
                                         .clickEvent(
                                                 ClickEvent.openUrl(ORIGINAL_REPOSITORY_URL)
                                         )
+                        )
+                        .append(Component.newline())
+                        .append(Component.text("Compiled at "))
+                        .append(
+                                Component
+                                        .text(BUILD_INFO.getProperty("build.date", "unknown"))
+                                        .color(ColorUtilities.getColorByString(bot.config.colorPalette.string))
+                        )
+                        .append(
+                                Component
+                                        .translatable(
+                                                ", Git commit %s (%s)",
+                                                Component
+                                                        .text(BUILD_INFO.getProperty("build.git.commit.hash", "unknown"))
+                                                        .color(ColorUtilities.getColorByString(bot.config.colorPalette.string)),
+                                                Component
+                                                        .text(BUILD_INFO.getProperty("build.git.commit.count", "unknown"))
+                                                        .color(ColorUtilities.getColorByString(bot.config.colorPalette.number))
+                                        )
+                        )
+                        .append(Component.newline())
+                        .append(
+                                Component
+                                        .translatable(
+                                                "Build %s",
+                                                Component
+                                                        .text(BUILD_INFO.getProperty("build.number", "unknown"))
+                                                        .color(ColorUtilities.getColorByString(bot.config.colorPalette.number))
+                                        )
                         );
             }
         }

src/main/resources/application.properties

@@ -0,0 +1,4 @@
+build.date=${compileDate}
+build.git.commit.count=${gitCommitCount}
+build.git.commit.hash=${gitCommitHash}
+build.number=${buildNumber}