From 720e2637679237c680768c033248d3a385f3c785 Mon Sep 17 00:00:00 2001
From: givensuman <givensuman@duck.com>
Date: Wed, 8 Oct 2025 12:44:11 -0400
Subject: [PATCH] Add BuildArg key to quadlets

Signed-off-by: givensuman <givensuman@duck.com>
---
 pkg/systemd/quadlet/quadlet.go  | 3 +++
 test/e2e/quadlet/buildarg.build | 8 ++++++++
 test/e2e/quadlet_test.go        | 1 +
 3 files changed, 12 insertions(+)
 create mode 100644 test/e2e/quadlet/buildarg.build

diff --git a/pkg/systemd/quadlet/quadlet.go b/pkg/systemd/quadlet/quadlet.go
index c077043f9d..bc5f899c0d 100644
--- a/pkg/systemd/quadlet/quadlet.go
+++ b/pkg/systemd/quadlet/quadlet.go
@@ -63,6 +63,7 @@ const (
 	KeyArch                  = "Arch"
 	KeyAuthFile              = "AuthFile"
 	KeyAutoUpdate            = "AutoUpdate"
+	KeyBuildArg              = "BuildArg"
 	KeyCertDir               = "CertDir"
 	KeyCgroupsMode           = "CgroupsMode"
 	KeyConfigMap             = "ConfigMap"
@@ -433,6 +434,7 @@ var (
 				KeyAnnotation:           true,
 				KeyArch:                 true,
 				KeyAuthFile:             true,
+				KeyBuildArg:             true,
 				KeyContainersConfModule: true,
 				KeyDNS:                  true,
 				KeyDNSOption:            true,
@@ -1391,6 +1393,7 @@ func ConvertBuild(build *parser.UnitFile, unitsInfoMap map[string]*UnitInfo, isU
 	lookupAndAddAllStrings(build, BuildGroup, allStringKeys, podman)
 
 	keyValKeys := map[string]string{
+		KeyBuildArg:    "--build-arg",
 		KeyEnvironment: "--env",
 		KeyLabel:       "--label",
 		KeyAnnotation:  "--annotation",
diff --git a/test/e2e/quadlet/buildarg.build b/test/e2e/quadlet/buildarg.build
new file mode 100644
index 0000000000..e6866181fc
--- /dev/null
+++ b/test/e2e/quadlet/buildarg.build
@@ -0,0 +1,8 @@
+## assert-podman-args "--build-arg" "FOO=BAR"
+## assert-podman-args "--build-arg" "BIZ=BAZ"
+
+[Build]
+ImageTag=image:latest
+SetWorkingDirectory=unit
+BuildArg=FOO=BAR
+BuildArg=BIZ=BAZ
diff --git a/test/e2e/quadlet_test.go b/test/e2e/quadlet_test.go
index 44dad370d5..cc526046fe 100644
--- a/test/e2e/quadlet_test.go
+++ b/test/e2e/quadlet_test.go
@@ -1059,6 +1059,7 @@ BOGUS=foo
 		Entry("Build - Multiple Tags", "multiple-tags.build"),
 		Entry("Build - Network Key host", "network.build"),
 		Entry("Build - PodmanArgs", "podmanargs.build"),
+		Entry("Build - BuildArg Key", "buildarg.build"),
 		Entry("Build - Pull Key", "pull.build"),
 		Entry("Build - Secrets", "secrets.build"),
 		Entry("Build - SetWorkingDirectory is absolute path", "setworkingdirectory-is-abs.build"),