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61 lines
798 B
Bash
61 lines
798 B
Bash
#!/bin/bash
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VERSION="0.0.1"
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## output error to stderr
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error () {
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printf >&2 "error: %s\n" "${@}"
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}
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## output usage
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usage () {
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echo "usage: bpkg [-hV] <command> [args]"
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}
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## feature tests
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features () {
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if ! type bpkg-json > /dev/null 2>&1; then
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error "Missing json parser dependency"
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exit 1
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fi
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}
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bpkg () {
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local arg="$1"
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local cmd=""
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shift
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case "${arg}" in
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## flags
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-V|--version)
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echo "${VERSION}"
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return 0
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;;
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-h|--help)
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usage
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return 0
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;;
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*)
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cmd="bpkg-${arg}"
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if type -f "${cmd}" > /dev/null 2>&1; then
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"${cmd}" "${@}"
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return $?
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fi
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;;
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esac
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}
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## test for required features
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features
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if [[ ${BASH_SOURCE[0]} != $0 ]]; then
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export -f bpkg
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else
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bpkg "${@}"
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exit $?
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fi
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