dotnet-bump

#!/bin/bash
set -e -u -x
cd "$(dirname "$0")"

function echo_version {
    local version=$1

    echo "sdk_version=$version"
    version_prefix=$(echo "$version" | cut -d- -f1)
    echo "sdk_version_prefix=$version_prefix"
    version_suffix=$(echo "$version" | cut -d- -f2- -s)
    echo "sdk_version_suffix=$version_suffix"
    major_version=$(echo "$version_prefix" | cut -d. -f1)
    echo "sdk_major_version=$major_version"
    minor_version=$(echo "$version_prefix" | cut -d. -f2)
    echo "sdk_minor_version=$minor_version"

    if [ -n "$version_suffix" ]; then
        short_date=$(echo "$version_suffix" | cut -d- -f2)
        if [ "$short_date" == "$version_suffix" ]; then
            short_date=$(echo "$version_suffix" | rev | cut -d. -f2 | rev)
            revision=$(echo "$version_suffix" | rev | cut -d. -f1 | rev)
        else
            revision=$(echo "$version_suffix" | cut -d- -f3)
        fi
        #Subtracting 100 from the revision number to match the offical build id format of Microsoft.(added during the build process automatically)
        revision=$((revision - 100))
        yy=$((short_date / 1000))
        mm=$(((short_date - 1000 * yy) / 50))
        dd=$((short_date - 1000 * yy - 50 * mm))
        echo -n "OFFICIAL_BUILD_ID="
        printf "20%02d%02d%02d.%s\n" "$yy" "$mm" "$dd" "$revision"
    else
        echo "OFFICIAL_BUILD_ID="
    fi
}

platform=11.0.1xx
while [ $# -gt 0 ]; do
    case "$1" in
    --platform)
        shift
        platform=$1
        ;;
    *)
        break
        ;;

    esac
    shift
done
if [ $# -gt 0 ]; then
    sdk_version=$1
    shift
fi

git submodule update --init --recursive
if [[ -z "${sdk_version+x}" ]]; then
    url="https://aka.ms/dotnet/$platform/daily/productCommit-linux-x64.txt"
else
    url="https://builds.dotnet.microsoft.com/dotnet/Sdk/$sdk_version/productCommit-linux-x64.txt"
    if ! curl --head --silent --fail "$url" >/dev/null; then
        url="https://ci.dot.net/public/Sdk/$sdk_version/productCommit-linux-x64.txt"
    fi
fi

manifest=$(curl -L "$url")
pushd dotnet
if [[ "$manifest" =~ sdk:([0-9a-f]+),\ ([^[:space:]]+) ]] ||
    [[ "$manifest" =~ sdk_commit=\"([0-9a-f]+)\"\ sdk_version=\"([^\"]+)\" ]]; then
    sdk_sha=${BASH_REMATCH[1]}
    sdk_version=${BASH_REMATCH[2]}
    git fetch --all --tags
    git checkout --force "$sdk_sha"
else
    git fetch --tags
    git checkout --force "v$sdk_version"
fi
if [[ "$manifest" =~ runtime:([0-9a-f]+),\ ([^[:space:]]+) ]] ||
    [[ "$manifest" =~ runtime_commit=\"[0-9a-f]+\"\ runtime_version=\"([^\"]+)\" ]]; then
    runtime_version="${BASH_REMATCH[2]:-${BASH_REMATCH[1]}}"
fi
popd

(($(echo "$sdk_version" | cut -d. -f1) >= 10)) || {
    echo "SDK version less than 10 not supported"
    exit 0
}

echo "runtime_version=$runtime_version" >dotnet-versions
echo_version "$sdk_version" >>dotnet-versions
git add dotnet
git add dotnet-versions
git commit --allow-empty --message="v$sdk_version" --signoff
git tag "v$sdk_version"