FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/scripts/cronjob

     #!/bin/bash
     
     set -e
     
     cd $(dirname $0)/..
     
     UPSTREAM_GIT="git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git"
     
     BRANCHES="master filter-state upstream/master upstream/dts"
    
    if [ ! -f scripts/filter.sh ] ; then
        echo "`pwd`: does not appear to be a device-tree.git" 1>&2
        exit 1
    fi
    
    if [ -z "$LATEST_VERSION" ] ; then
        FINGER_BANNER="https://www.kernel.org/finger_banner"
        LATEST_VERSION=$(wget --quiet -O - "$FINGER_BANNER" |\
            sed -n -e '0,/^The latest mainline version of the Linux kernel is:\s*\(.*\)$/s//\1/p')
    fi
    
    if [ -z "$LATEST_VERSION" ] ; then
        echo "Unable to determine latest version" 1>&2
        exit 1
    fi
    
    echo "Latest Version: v$LATEST_VERSION"
    if ! git show-ref --quiet --verify refs/tags/v${LATEST_VERSION} ; then
        echo "Latest version is new"
    fi
    if ! git show-ref --quiet --verify refs/tags/v${LATEST_VERSION}-dts ; then
        echo "Latest version is unmerged"
    fi
    echo
    
    echo "Current State:"
    for branch in $BRANCHES ; do
        REF=$(git show-ref --verify refs/heads/${branch})
        if [ $? -ne 0 ] ; then
            echo "Tree is missing required branch ${branch}, aborting" 1>&2
            exit 1
        fi
        echo "  ${REF}"
    done
    echo
    
    trap '
    if [ -n "$FILTER_OUTPUT" ] ; then
        echo "---------------------------------------------------------------------"
        echo "Filter Output:"
        echo "---------------------------------------------------------------------"
        echo "$FILTER_OUTPUT"
        echo
    fi
    if [ -n "$MERGE_OUTPUT" ] ; then
        echo "---------------------------------------------------------------------"
        echo "Merge Output:"
        echo "---------------------------------------------------------------------"
        echo "$MERGE_OUTPUT"
        echo
    fi
    ' EXIT
    
    FILTER_OUTPUT=`(
    set -e
    echo "Switching to master branch"
    git checkout master
    
    echo "Fetching $UPSTREAM_GIT master"
    git fetch --tags "$UPSTREAM_GIT" master
    echo
    
    echo "Filtering"
    ./scripts/filter.sh
    echo
    ) 2>&1 `
    
    #git push --dry-run origin filter-state upstream/dts upstream/master
    #git push --dry-run origin --tags
    #echo
    
    DATE=$(date +%Y%m%d)
    TESTBRANCH=test-${DATE}
    MERGE_OUTPUT=`(
    set -e
    git checkout -b ${TESTBRANCH} origin/master
    git -c merge.renameLimit=1000000 merge --no-edit upstream/dts
    ) 2>&1 `
    REF=$(git show-ref --verify refs/heads/${TESTBRANCH})
    echo "Testing: ${REF}"
    if git log ${TESTBRANCH} -- MAINTAINERS | grep --quiet . ; then
        echo "Filter branch has upstream-only content (MAINTAINERS file)"
        exit 1
    fi
    
    make clean -s
    TEST_OUTPUT=`make -k -s 2>&1 || true`
    if [ -z "${TEST_OUTPUT}" ]; then
        echo "Success!"
   else
       echo "---------------------------------------------------------------------"
       echo "Test Output:"
       echo "---------------------------------------------------------------------"
       echo "$TEST_OUTPUT"
   fi
   echo
   
   echo "Switching back to master branch"
   git checkout master
   
   echo "Recording refs/tests/${DATE}"
   git update-ref refs/tests/${DATE} ${TESTBRANCH}
   
   echo "Removing ${TESTBRANCH}"
   git branch -D "${TESTBRANCH}"
   
   echo "Final State:"
   for branch in ${BRANCHES} ; do
       REF=$(git show-ref --verify refs/heads/${branch})
       echo "  ${REF}"
   done
   echo
   
   exit 0

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