gate-upstream-repo-commits

#!/bin/bash

set -e
set -x

##### check if there have been any changes to the repo
##### and run tests, if so

if [ "${SUBMODULE}" = "dontbuild" ]; then
    echo "Build not triggered from a submodule update"
    exit 1
fi

# pre build tidy up
rm -fr $CHEF_COOKBOOKS_REPO_NAME

# Clone the repo
git clone $CHEF_COOKBOOKS_GIT_REPO
pushd $CHEF_COOKBOOKS_REPO_NAME

# Checkout the specified chef-cookbooks branch (eg folsom, grizzly)
git checkout $GIT_BRANCH

# Setup non-global user.name
git config user.name "rcbjenkins"
git config user.email rcb-deploy@lists.rackspace.com

# Update the specified submodule
git submodule init
git submodule update cookbooks/$SUBMODULE
pushd cookbooks/$SUBMODULE

# get the submodule repo url
SUBMODULE_REPO=$(git remote -v | head -1 | awk '{print $2}')

# check if there have been any changes
current_ref=$(git reflog | head -1 | cut -d' ' -f1)    
git checkout master
git pull
master_ref=$(git reflog | head -1 | cut -d' ' -f1)

if [ "${current_ref}" = "${master_ref}" ] ; then 
    echo "nothing to do here, move along please"
    RETVAL=5
    exit $RETVAL
else
    echo "master has some updates.  Triggering an all-in-one to test..."
    cd ../../../
    RETVAL=0
    # build a file with the required COOKBOOK_OVERRIDE parameter to
    # pass to the nova aio step
    #echo -e "COOKBOOK_OVERRIDE=${SUBMODULE_REPO},${GIT_BRANCH}\nGIT_BRANCH=$GIT_BRANCH\nSUBMODULE=${SUBMODULE}" > "${WORKSPACE}/${BUILD_ID}-vars"
    echo -e "COOKBOOK_OVERRIDE=${SUBMODULE_REPO},master\nGIT_BRANCH=$GIT_BRANCH\nSUBMODULE=${SUBMODULE}" > "${WORKSPACE}/${BUILD_ID}-vars"


    popd
    popd
    #tar zcf chef-cookbooks.tgz --exclude=.git --exclude=.gitignore chef-cookbooks
    
# Clean up after ourselves

#    rm -rf $CHEF_COOKBOOKS_REPO_NAME
    exit $RETVAL
fi