FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/scripts/merge-new-release.sh

     #!/bin/bash
     
     case $1 in
         v*-dts) ;;
         '')
             echo >&2 "No version given"
             exit 1
             ;;
         *)
            echo >&2 "Unexpected version: $1"
            exit 1
            ;;
    esac
    
    v=$1
    
    set -e
    
    # Use the date of Linus' originally tagged commit for the merge. This might
    # differ from what the commit that the rewritten tag points to, since the
    # orignal commit may have been discarded.
    export GIT_AUTHOR_DATE=$(git log -1 --format=%ad "${v%-dts}")
    if [ ! "${GIT_AUTHOR_DATE}" ] ; then
        echo >&2 "Unable to determine commit date for merge"
        exit 1
    fi
    if [ "${v}" = "v2.6.12-rc2-dts" ] ; then
        auh="--allow-unrelated-histories"
    fi
    git merge $auh --no-edit "${v}-raw"
    git clean -fdqx
    # Use the date of Linus' original tag for the tag.
    case "${v%-dts}" in
        v2.6.12*|v2.6.13-rc[123])
            # Commits from v2.6.12-rc2..v2.6.13-rc3 lacked the date. So use the commit's
            # date.
            export GIT_COMMITTER_DATE="${GIT_AUTHOR_DATE}"
            ;;
        *)
            export GIT_COMMITTER_DATE="$(git for-each-ref --format='%(taggerdate)' "refs/tags/${v%-dts}")"
            ;;
    esac
    if [ ! "${GIT_COMMITTER_DATE}" ] ; then
        echo >&2 "Unable to determine date for tag"
        exit 1
    fi
    git tag -s -m "Tagging ${v}" -u 695A46C6 "${v}"
    make -k -j12 -s

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