From 0160225c9a802838b79ed95c5a7644415a47ee43 Mon Sep 17 00:00:00 2001
From: Bruno Medeiros <bruno@eatclub.com.au>
Date: Sun, 16 Aug 2026 20:31:10 +0800
Subject: [PATCH 1/2] chore(java): provide tar.gz artifact in releases

---
 .github/actions/build-java-layer/action.yml |  3 +++
 .github/workflows/release-layer-java.yml    |  8 +++++++-
 java/layer-wrapper/build.gradle.kts         | 20 +++++++++++++++-----
 3 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/.github/actions/build-java-layer/action.yml b/.github/actions/build-java-layer/action.yml
index cd4edb6301..d66210a06f 100644
--- a/.github/actions/build-java-layer/action.yml
+++ b/.github/actions/build-java-layer/action.yml
@@ -8,6 +8,9 @@ outputs:
   javawrapper-artifact-path:
     description: 'Absolute path to the javawrapper layer zip artifact'
     value: ${{ github.workspace }}/java/layer-wrapper/build/distributions/opentelemetry-javawrapper-layer.zip
+  javawrapper-targz-artifact-path:
+    description: 'Absolute path to the javawrapper layer tar.gz artifact'
+    value: ${{ github.workspace }}/java/layer-wrapper/build/distributions/opentelemetry-javawrapper-layer.tar.gz
   javaagent-version:
     description: 'OpenTelemetry Java agent version included in the layer'
     value: ${{ steps.javaagent-version.outputs.javaagent-version }}
diff --git a/.github/workflows/release-layer-java.yml b/.github/workflows/release-layer-java.yml
index 60deb7e231..22f33c0eb4 100644
--- a/.github/workflows/release-layer-java.yml
+++ b/.github/workflows/release-layer-java.yml
@@ -46,9 +46,15 @@ jobs:
           name: opentelemetry-javawrapper-layer.zip
           path: ${{ steps.build.outputs.javawrapper-artifact-path }}
 
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        name: Save javawrapper layer tar.gz to build
+        with:
+          name: opentelemetry-javawrapper-layer.tar.gz
+          path: ${{ steps.build.outputs.javawrapper-targz-artifact-path }}
+
       - name: Add Binary to Release
         run: |
-          gh release upload ${{github.ref_name}} ${{ steps.build.outputs.javawrapper-artifact-path }}
+          gh release upload ${{github.ref_name}} ${{ steps.build.outputs.javawrapper-artifact-path }} ${{ steps.build.outputs.javawrapper-targz-artifact-path }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/java/layer-wrapper/build.gradle.kts b/java/layer-wrapper/build.gradle.kts
index 9147e9582c..4fab5ccb77 100644
--- a/java/layer-wrapper/build.gradle.kts
+++ b/java/layer-wrapper/build.gradle.kts
@@ -14,10 +14,7 @@ dependencies {
 }
 
 tasks {
-    val createLayer = register<Zip>("createLayer") {
-        archiveFileName.set("opentelemetry-javawrapper-layer.zip")
-        destinationDirectory.set(file("$buildDir/distributions"))
-
+    val layerContents = copySpec {
         from(configurations["runtimeClasspath"]) {
             into("java/lib")
         }
@@ -30,8 +27,21 @@ tasks {
         from("scripts")
     }
 
+    val createZipLayer = register<Zip>("createLayer") {
+        archiveFileName.set("opentelemetry-javawrapper-layer.zip")
+        destinationDirectory.set(file("$buildDir/distributions"))
+        with(layerContents)
+    }
+
+    val createTarLayer = register<Tar>("createTarLayer") {
+        archiveFileName.set("opentelemetry-javawrapper-layer.tar.gz")
+        destinationDirectory.set(file("$buildDir/distributions"))
+        compression = Compression.GZIP
+        with(layerContents)
+    }
+
     named("assemble") {
-        dependsOn(createLayer)
+        dependsOn(createZipLayer, createTarLayer)
     }
 }
 

From 8c8c617d083cbce7810d88801ae23b8c7f9349fb Mon Sep 17 00:00:00 2001
From: Bruno Medeiros <brunojcm@gmail.com>
Date: Tue, 18 Aug 2026 21:49:58 +0800
Subject: [PATCH 2/2] Update java/layer-wrapper/build.gradle.kts

Co-authored-by: Warre Pessers <45464718+wpessers@users.noreply.github.com>
---
 java/layer-wrapper/build.gradle.kts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/java/layer-wrapper/build.gradle.kts b/java/layer-wrapper/build.gradle.kts
index 4fab5ccb77..062a05668d 100644
--- a/java/layer-wrapper/build.gradle.kts
+++ b/java/layer-wrapper/build.gradle.kts
@@ -24,7 +24,11 @@ tasks {
             into("java/lib")
         }
 
-        from("scripts")
+        from("scripts") {
+                filePermissions {
+                        unix("755")
+                }
+        }
     }
 
     val createZipLayer = register<Zip>("createLayer") {