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fetch2: Sanity check SRCREV matches rev/tag parameter

PATCH New Richard Purdie 1 participant 1 message Jan 20, 2014

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PATCH 1/1 fetch2: Sanity check SRCREV matches rev/tag parameter

Add a sanity check so that if some SRCREV is set and a rev parameter is given to the url, the revision given should match.

Any tag parameter behaves the same as rev. If both are specified, error to tell the user we're confused rather than do something which may or may not be what they intended.

Also add some unittests for this.

---

bitbake/lib/bb/fetch2/__init__.py +14 -6
index 4af089d..b4717c4 100644
@@ -867,12 +867,6 @@ def srcrev_internal_helper(ud, d, name):
         c) None if not specified
     """
 
-    if 'rev' in ud.parm:
-        return ud.parm['rev']
-
-    if 'tag' in ud.parm:
-        return ud.parm['tag']
-
     srcrev = None
     pn = d.getVar("PN", True)
     attempts = []
@@ -889,6 +883,20 @@ def srcrev_internal_helper(ud, d, name):
         if srcrev and srcrev != "INVALID":
             break
 
+    if 'rev' in ud.parm and 'tag' in ud.parm:
+        raise FetchError("Please specify a ;rev= parameter or a ;tag= parameter in the url %s but not both." % (ud.url))
+
+    if 'rev' in ud.parm or 'tag' in ud.parm:
+        if 'rev' in ud.parm:
+            parmrev = ud.parm['rev']
+        else:
+            parmrev = ud.parm['tag']
+        if srcrev == "INVALID" or not srcrev:
+            return parmrev
+        if srcrev != parmrev:
+            raise FetchError("Conflicting revisions (%s from SRCREV and %s from the url) found, please spcify one valid value" % (srcrev, parmrev))
+        return parmrev
+
     rev = srcrev
     if rev == "INVALID" or not rev:
         var = "SRCREV_pn-%s" % pn
bitbake/lib/bb/tests/fetch.py +15 -0
index 4bcff54..eaab0de 100644
@@ -382,6 +382,21 @@ class FetcherNetworkTest(FetcherTest):
             url1 = url2 = "git://git.openembedded.org/bitbake"
             self.gitfetcher(url1, url2)
 
+        def test_gitfetch_goodsrcrev(self):
+            # SRCREV is set but matches rev= parameter
+            url1 = url2 = "git://git.openembedded.org/bitbake;rev=270a05b0b4ba0959fe0624d2a4885d7b70426da5"
+            self.gitfetcher(url1, url2)
+
+        def test_gitfetch_badsrcrev(self):
+            # SRCREV is set but does not match rev= parameter
+            url1 = url2 = "git://git.openembedded.org/bitbake;rev=dead05b0b4ba0959fe0624d2a4885d7b70426da5"
+            self.assertRaises(bb.fetch.FetchError, self.gitfetcher, url1, url2)
+
+        def test_gitfetch_tagandrev(self):
+            # SRCREV is set but does not match rev= parameter
+            url1 = url2 = "git://git.openembedded.org/bitbake;rev=270a05b0b4ba0959fe0624d2a4885d7b70426da5;tag=270a05b0b4ba0959fe0624d2a4885d7b70426da5"
+            self.assertRaises(bb.fetch.FetchError, self.gitfetcher, url1, url2)
+
         def test_gitfetch_premirror(self):
             url1 = "git://git.openembedded.org/bitbake"
             url2 = "git://someserver.org/bitbake"