Fix update-stable for 0-commit branches.

diff --git a/server/update-stable b/server/update-stable
index a8768c0..7caf865 100644 (file)
--- a/server/update-stable
+++ b/server/update-stable
@@ -40,8 +40,8 @@
 # would insinuate qa didn't happen on the merged result).
 #
 # Also, we want to enforce that C does not actually introduce
-# any diffs to the files between B and C--otherwise this changes
-# would not have appeared in QA.
+# any diffs to the files between B and C--as they would be changes
+# that QA does not see.
 #
 
 . $(dirname $0)/functions
@@ -64,31 +64,11 @@ if [ "$change_type" == "delete" ] ; then
        exit 0
 fi
 
-if [ "$change_type" == "create" -a "$short_refname" != "stable" ] ; then
-       not_on_stable=$(git rev-list stable..$newrev)
-       if [ "$not_on_stable" == "" ] ; then
-               display_error_message "Creating a branch must include new commits"
-               exit 1
-       fi
-fi
-
 # create/delete is okay
 if [ "$change_type" != "update" ] ; then
        exit 0
 fi
 
-# # The tip must always be new
-# already=$(git branch --contains "$newrev")
-# if [ "$already" != "" ] ; then
-#      already=${already##  }
-#      echo "----------------------------------------------------"
-#      echo
-#      echo "$short_refname is already referred to by $already"
-#      echo
-#      echo "----------------------------------------------------"
-#      exit 1
-#fi
-
 if [ "$short_refname" == "stable" ] ; then
        # Stable enforcement
 
@@ -122,10 +102,14 @@ if [ "$short_refname" == "stable" ] ; then
        fi
 else
        # Check if candidate/topic is already in stable
-       git branch --contains "$oldrev" | grep stable >/dev/null
+       git branch --contains "$oldrev" | grep --quiet stable
        if [ $? -eq 0 ] ; then
-               display_error_message "$short_refname has been merged into stable"
-               exit 1
+               # Okay, it's in stable...but was it previously just a 0-commit initial banch?
+               git rev-list --first-parent stable | grep --quiet "$oldrev"
+               if [ $? -ne 0 ] ; then
+                       display_error_message "$short_refname has been merged into stable"
+                       exit 1
+               fi
        fi
 
        # For now candidates can mix amongst each other so early exit

diff --git a/tests/t2102-server-update-stable-candidate.sh b/tests/t2102-server-update-stable-candidate.sh
index cf891bf..b36dd1f 100644 (file)
--- a/tests/t2102-server-update-stable-candidate.sh
+++ b/tests/t2102-server-update-stable-candidate.sh
@@ -86,10 +86,9 @@ test_expect_success 'topic1 cannot be changed' '
        git reset --hard HEAD^
 '
 
-test_expect_success 'topic3 cannot initially be created on stable' '
+test_expect_success 'topic3 can initially be created on stable and then moved' '
        git checkout -b topic3 stable &&
-       ! git push origin topic3 2>push.err &&
-       cat push.err | grep "Creating a branch must include new commits" &&
+       git push origin topic3 &&
 
        echo "$test_name" >a.topic3 &&
        git add a.topic3 &&
@@ -97,16 +96,5 @@ test_expect_success 'topic3 cannot initially be created on stable' '
        git push origin topic3
 '
 
-test_expect_failure 'topic4 cannot point to the same place as topic4' '
-       git checkout -b topic4 topic3 &&
-       echo "$test_name" >a.topic4 &&
-       git add a.topic4 &&
-       git commit -m "making topic4" &&
-       git push origin topic4 &&
-
-       ! git push origin topic4:topic3 2>push.err &&
-       cat push.err | grep "topic3 is already referred to by topic4"
-'
-
 test_done