srcrev_update: support for all recipes

Add variable to find base dir for meta-qt6 and use that in
srcrev-update to support using it in any recipe.

Pick-to: 6.7 6.6
Change-Id: I91960508a8ec96ee6fe7af69046915f048925f62
Reviewed-by: Mikko Gronoff <mikko.gronoff@qt.io>

classes/srcrev-update.bbclass

@@ -2,7 +2,7 @@ python do_srcrev_update() {
     import subprocess
 
     recipe = d.getVar('FILE')
-    srcrev_file = os.path.join(os.path.dirname(recipe), 'qt6-git.inc')
+    srcrev_file = os.path.join(d.getVar('QT6BASE'), 'recipes-qt/qt6/qt6-git.inc')
 
     module = d.getVar('QT_MODULE')
 

conf/layer.conf

@@ -41,6 +41,9 @@ LICENSE_PATH += "${LAYERDIR}/licenses"
 
 IMAGE_FEATURES[validitems] += "qtcreator-debug"
 
+# Set a variable to get to the top of the metadata location
+QT6BASE := "${LAYERDIR}"
+
 QT_GIT_PROJECT ?= "qt"
 QT_GIT ?= "git://code.qt.io"
 QT_GIT_PROTOCOL ?= "git"

recipes-qt/qt6/qt6-git.inc

@@ -1,6 +1,8 @@
 DESCRIPTION ?= "Qt is a cross-platform application development framework for desktop, embedded and mobile."
 HOMEPAGE ?= "https://www.qt.io"
 
+inherit srcrev-update
+
 QT_MODULE ?= "${BPN}"
 QT_MODULE_BRANCH ?= "dev"
 QT_MODULE_BRANCH_PARAM ?= "branch=${QT_MODULE_BRANCH};nobranch=1"

recipes-qt/qt6/qt6.inc

@@ -1,5 +1,3 @@
-inherit srcrev-update
-
 include recipes-qt/qt6/qt6-ptest.inc
 
 PACKAGECONFIG[examples] = "-DQT_BUILD_EXAMPLES=ON,-DQT_BUILD_EXAMPLES=OFF,"