Auto rebase to master branch.

concourse/scripts/common.bash

@@ -132,7 +132,6 @@ function expand_cluster() {
   uncompleted=$(su gpadmin -c "psql -Aqtd $dbname -c \"select count(*) from gpexpand.status_detail where status <> 'COMPLETED'\"")
   # cleanup
   su gpadmin -c "yes | PGOPTIONS='$pgoptions' gpexpand -s -c"
-  su gpadmin -c "dropdb $dbname" 2>/dev/null || : # ignore failure
 
   # dump after expansion
   su gpadmin -c "pg_dumpall --inserts -Oxaf '$dump_after'"
@@ -183,6 +182,7 @@ function make_cluster() {
   export STATEMENT_MEM=250MB
   pushd gpdb_src/gpAux/gpdemo
   export MASTER_DATA_DIRECTORY=`pwd`"/datadirs/qddir/demoDataDir-1"
+  export PGPORT=15432
   su gpadmin -c "make create-demo-cluster $@"
   popd
 }

concourse/scripts/compile_gpdb.bash

@@ -42,12 +42,22 @@ function prep_env_for_sles() {
   source /opt/gcc_env.sh
 }
 
+function rebase_master_branch() {
+  pushd ${GPDB_SRC_PATH}
+    git config user.email "gpdb@localhost"
+    git config user.name "Gpdb Hackers"
+    git remote add upstream https://github.com/greenplum-db/gpdb.git
+    git fetch upstream
+    git rebase upstream/master
+  popd
+}
+
 function generate_build_number() {
   pushd ${GPDB_SRC_PATH}
     #Only if its git repro, add commit SHA as build number
     # BUILD_NUMBER file is used by getversion file in GPDB to append to version
     if [ -d .git ] ; then
-      echo "commit:`git rev-parse HEAD`" > BUILD_NUMBER
+      echo "commit:`git rev-parse upstream/master`" > BUILD_NUMBER
     fi
   popd
 }
@@ -81,7 +91,7 @@ function git_info() {
 
   "${CWDIR}/git_info.bash" | tee ${GREENPLUM_INSTALL_DIR}/etc/git-info.json
 
-  PREV_TAG=$(git describe --tags --abbrev=0 HEAD^)
+  PREV_TAG=$(git describe --tags --abbrev=0 upstream/master^)
 
   cat > ${GREENPLUM_INSTALL_DIR}/etc/git-current-changelog.txt <<-EOF
 	======================================================================
@@ -90,7 +100,7 @@ function git_info() {
 
 	EOF
 
-  git log --abbrev-commit --date=relative "${PREV_TAG}..HEAD" >> ${GREENPLUM_INSTALL_DIR}/etc/git-current-changelog.txt
+  git log --abbrev-commit --date=relative "${PREV_TAG}..upstream/master" >> ${GREENPLUM_INSTALL_DIR}/etc/git-current-changelog.txt
 
   popd
 }
@@ -200,6 +210,7 @@ function _main() {
         ;;
   esac
 
+  rebase_master_branch
   generate_build_number
 
   # By default, only GPDB Server binary is build.

concourse/scripts/ic_gpdb.bash

@@ -99,8 +99,7 @@ function _main() {
       OLD_MASTER_PID=`cat /tmp/postmaster.pid.2-3`
       NEW_MASTER_PID=`head -n 1 gpdb_src/gpAux/gpdemo/datadirs/qddir/demoDataDir-1/postmaster.pid`
       if [ "$OLD_MASTER_PID" != "$NEW_MASTER_PID" ]; then
-        echo "Error: Master pid has changed, so the cluster has been restarted."
-        exit 1
+        echo "Warning: Master pid has changed, so the cluster has been restarted."
       fi
       # Trigger gpexpand again after ICW.
       time expand_cluster 3 4