Generate a platform-specific tarball name

tarball-name.sh

#!/bin/bash

# Print usage instructions.
printUsage() {
  cat <<END
usage: `basename $0` [-hv] [-s version] [-p prefix]

where:
    prefix  - The filename prefix to use in generating the tarball name.
    version - The version number to use in generating the tarball name.

    Result will be of the format: prefix-version-os-osver-arch.tgz

Optional Arguments:
    -h      - Display this help message.

END
}

# Parse command line options.
while getopts hvs:p: OPT; do
    case "$OPT" in
        h)
            printUsage
            exit 0
            ;;
        v)
            echo "`basename $0` version 0.1"
            exit 0
            ;;
        s)
            PRODUCT_VERSION=$OPTARG
            ;;
        p)
            PREFIX=$OPTARG
            ;;
        \?)
            # getopts issues an error message
            printUsage >&2
            exit 1
            ;;
    esac
done

# Remove the switches we parsed above.
shift `expr $OPTIND - 1`

# We want at least one non-option argument.
# Remove this block if you don't need it.
if [ $# -gt 0 ]; then
    printUsage >&2
    exit 1
fi

if [ -z "$PRODUCT_VERSION" -o -z "$PREFIX" ]; then 
    printUsage >&2
    exit 1
fi

# Work out OS details
if [ "$(uname -s)" == "Darwin" ]; then
    OS=darwin
    OS_VER=`uname -r`
else
    if [ -f /etc/os-release ]; then
        source /etc/os-release
        OS=$ID
        OS_VER=$VERSION_ID
    fi

    if [ -z "$OS" -o -z "$OS_VER" ] && [ -f /etc/lsb-release ]; then
        source /etc/lsb-release
        OS=$(echo ${DISTRIB_ID} | tr '[A-Z]' '[a-z]')
        OS_VER=$DISTRIB_RELEASE
    fi

    if [ -z "$OS" -o -z "$OS_VER" ] && [ ! -z "$(which lsb_release)" ]; then
        OS=$(lsb_release -s -i | tr '[A-Z]' '[a-z]')
        OS_VER=`lsb_release -s -r`
    fi

    if [ -z "$OS" -o -z "$OS_VER" ]; then
        # Fallback to uname
        OS=$(uname -s | tr '[A-Z]' '[a-z]')
        OS_VER=`uname -r`
    fi
fi

# Processor architecture
case $(uname -m) in
x86_64)
    ARCH=x86_64  # or AMD64 or Intel64 or whatever
    ;;
i*86)
    ARCH=i386  # or IA32 or Intel32 or whatever
    ;;
*)
    # leave ARCH as-is
    ;;
esac

echo ${PREFIX}-${PRODUCT_VERSION}-${OS}-${OS_VER}-${ARCH}.tgz