base.bbclass: add support for 'min/max' date for patches

- SRC_URI = "file//something.patch;patch=1;mindate=20050312;maxdate=20060302
  means that patch should be applied if SRCDATE > 20050312 and SRCDATE < 20060302

diff --git a/classes/base.bbclass b/classes/base.bbclass
index 5f0e0d2..683b9e0 100644 (file)
--- a/classes/base.bbclass
+++ b/classes/base.bbclass
@@ -475,6 +475,34 @@ python base_do_patch() {
                else:
                        pname = os.path.basename(unpacked)
 
+               if "mindate" in parm:
+                       mindate = parm["mindate"]
+               else:
+                       mindate = 0
+
+               if "maxdate" in parm:
+                       maxdate = parm["maxdate"]
+               else:
+                       maxdate = bb.data.getVar('DATE', d, 1)
+
+               pn = bb.data.getVar('PN', d, 1)
+               srcdate = bb.data.getVar('SRCDATE_%s' % pn, d, 1)
+
+               if not srcdate:
+                       srcdate = bb.data.getVar('SRCDATE', d, 1)
+
+               if srcdate == "now": 
+                       srcdate = bb.data.getVar('DATE', d, 1)
+
+               if (maxdate < srcdate) or (mindate > srcdate):
+                       if (maxdate < srcdate):
+                               bb.note("Patch '%s' is outdated" % pname)
+
+                       if (mindate > srcdate):
+                               bb.note("Patch '%s' is predated" % pname)
+
+                       continue
+
                bb.note("Applying patch '%s'" % pname)
                bb.data.setVar("do_patchcmd", bb.data.getVar("PATCHCMD", d, 1) % (pnum, pname, unpacked), d)
                bb.data.setVarFlag("do_patchcmd", "func", 1, d)