From f679e5efa88b10daa45dbb90f5490806d08acca5 Mon Sep 17 00:00:00 2001
From: Richard Hughes <richard@hughsie.com>
Date: Wed, 28 Aug 2019 15:31:34 +0100
Subject: [PATCH] Include the kernel release as a runtime version

Although not always useful (due to patches being backported) being able to
depend on a specific kernel version might save our bacon in the future.
---
 src/fu-engine.c    | 9 ++++++---
 src/fu-self-test.c | 1 +
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/fu-engine.c b/src/fu-engine.c
index 1ab2816a0..9191e8e1e 100644
--- a/src/fu-engine.c
+++ b/src/fu-engine.c
@@ -1305,9 +1305,6 @@ fu_engine_get_report_metadata (FuEngine *self)
 		g_hash_table_insert (hash,
 				     g_strdup ("CpuArchitecture"),
 				     g_strdup (name_tmp.machine));
-		g_hash_table_insert (hash,
-				     g_strdup ("KernelVersion"),
-				     g_strdup (name_tmp.release));
 	}
 
 	/* add the kernel boot time so we can detect a reboot */
@@ -4740,6 +4737,7 @@ fu_engine_idle_status_notify_cb (FuIdle *idle, GParamSpec *pspec, FuEngine *self
 static void
 fu_engine_init (FuEngine *self)
 {
+	struct utsname uname_tmp;
 	self->percentage = 0;
 	self->status = FWUPD_STATUS_IDLE;
 	self->config = fu_config_new ();
@@ -4773,6 +4771,11 @@ fu_engine_init (FuEngine *self)
 	fu_engine_add_runtime_version (self, "org.freedesktop.gusb", g_usb_version_string ());
 #endif
 
+	/* optional kernel version */
+	memset (&uname_tmp, 0, sizeof(uname_tmp));
+	if (uname (&uname_tmp) >= 0)
+		fu_engine_add_runtime_version (self, "org.kernel", uname_tmp.release);
+
 	g_hash_table_insert (self->compile_versions,
 			     g_strdup ("com.redhat.fwupdate"),
 			     g_strdup ("12"));
diff --git a/src/fu-self-test.c b/src/fu-self-test.c
index 618844c31..8d5fdb63d 100644
--- a/src/fu-self-test.c
+++ b/src/fu-self-test.c
@@ -420,6 +420,7 @@ fu_engine_requirements_device_func (void)
 		"    <firmware compare=\"ge\" version=\"1.2.3\"/>"
 		"    <firmware compare=\"eq\" version=\"4.5.6\">bootloader</firmware>"
 		"    <firmware compare=\"eq\" version=\"FFFF\">vendor-id</firmware>"
+		"    <id compare=\"ge\" version=\"4.0.0\">org.kernel</id>"
 		"  </requires>"
 		"  <provides>"
 		"    <firmware type=\"flashed\">12345678-1234-1234-1234-123456789012</firmware>"