PV,PR

classes/elphel-misc.bbclass

+# Well
+
+# returns string - based on file
+def version_update(path,file):
+    with open(path+'/'+file, 'r') as content_file:
+        content = content_file.read()
+        content = content.strip(' \t\n\r')
+    return content
+
+def revision_update(path,file):
+    import subprocess
+    cmd = "cd "+path+"; git rev-list --count $(git log -1 --pretty=format:\"%H\" "+file+")..HEAD"
+    try:
+        res = subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
+    except subprocess.CalledProcessError as e:
+        res = "error_"+e.returncode
+    res = res.strip(' \t\n\r')
+    return res

recipes-core/init-elphel393/init-elphel393_1.0.bb

@@ -13,8 +13,15 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/GPL-3.0;md5=c79ff39f19dfec6d293
 
 SRCDATE = "20131202"
 
-PV = "${SRCDATE}"
-PR = "r0"
+#PV = "${SRCDATE}"
+#PR = "r0"
+
+# PV,PR update
+inherit elphel-misc
+VPATH = "${TOPDIR}/../../fpga-elphel/x393"
+VFILE = "VERSION"
+PV = "${@version_update ('${VPATH}','${VFILE}')}"
+PR = "${@revision_update('${VPATH}','${VFILE}')}"
 
 RDEPENDS_${PN} += "\ 
              python-core \