From f1eedd166790fc53034f41b0b7a5f4fef2dbb7d8 Mon Sep 17 00:00:00 2001
From: Alex Zenla <alex@edera.dev>
Date: Sun, 10 Mar 2024 00:28:53 +0000
Subject: [PATCH] workflows: upload os images on build

---
 .github/workflows/os.yml |  8 ++++++++
 hack/os/build.sh         | 20 ++++++++++++--------
 2 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/os.yml b/.github/workflows/os.yml
index 421bedd..1f20dbd 100644
--- a/.github/workflows/os.yml
+++ b/.github/workflows/os.yml
@@ -3,9 +3,11 @@ on:
   push:
     paths:
     - "os/**"
+    - "hack/os/**"
   pull_request:
     paths:
     - "os/**"
+    - "hack/os/**"
 jobs:
   build:
     name: build
@@ -16,3 +18,9 @@ jobs:
     - run: ./hack/os/build.sh
       env:
         KRATA_KERNEL_BUILD_JOBS: "5"
+    - uses: actions/upload-artifact@v4
+      with:
+        name: krata-os-x86_64
+        path: "target/os/krata.qcow2"
+        compression-level: 0
+  
\ No newline at end of file
diff --git a/hack/os/build.sh b/hack/os/build.sh
index 56f41bf..2494b3a 100755
--- a/hack/os/build.sh
+++ b/hack/os/build.sh
@@ -16,14 +16,18 @@ docker run --rm --privileged -v "${PWD}:/mnt" -it alpine:latest "/mnt/os/interna
 sudo chown "${USER}:${GROUP}" "${TARGET_OS_DIR}/rootfs.tgz"
 sudo modprobe nbd
 
-NBD_DEVICE="$(find /dev -maxdepth 2 -name 'nbd[0-9]*' | while read -r DEVICE
-do
-  if [ "$(sudo blockdev --getsize64 "${DEVICE}")" = "0" ]
-  then
-    echo "${DEVICE}"
-    break
-  fi
-done)"
+next_nbd_device() {
+  find /dev -maxdepth 2 -name 'nbd[0-9]*' | while read -r DEVICE
+  do
+    if [ "$(sudo blockdev --getsize64 "${DEVICE}")" = "0" ]
+    then
+      echo "${DEVICE}"
+      break
+    fi
+  done
+}
+
+NBD_DEVICE="$(next_nbd_device)"
 
 if [ -z "${NBD_DEVICE}" ]
 then