#!/bin/bash # # # # # #mmm mmmm # m mmmm # #” “# #” “# # m” #” “# # # # # # #”# # # # ##m#” ##m#” # “m “#m”# # # m # # ” “” # bash package manager REMOTE=${REMOTE:-https://github.com/bpkg/bpkg.git} TMPDIR=${TMPDIR:-/tmp} DEST=${DEST:-${TMPDIR}/bpkg-master} ## test if command exists ftest () { echo ” info: Checking for ${1}…” if ! type -f “${1}” > /dev/null 2>&1; then return 1 else return 0 fi } ## feature tests features () { for f in “${@}”; do ftest “${f}” || { echo >&2 ” error: Missing `${f}’! Make sure it exists and try again.” return 1 } done return 0 } ## main setup setup () { echo ” info: Welcome to the ‘bpkg’ installer!” ## test for require features features git || return $? ## build { echo cd “${TMPDIR}” echo ” info: Creating temporary files…” test -d “${DEST}” && { echo ” warn: Already exists: ‘${DEST}'”; } rm -rf “${DEST}” echo ” info: Fetching latest ‘bpkg’…” git clone –depth=1 “${REMOTE}” “${DEST}” > /dev/null 2>&1 cd “${DEST}” echo ” info: Installing…” echo make_install echo ” info: Done!” } >&2 return $? } ## make targets BIN=”bpkg” [ -z “$PREFIX” ] && PREFIX=”/usr/local” # All ‘bpkg’ supported commands CMDS=”json install package term suggest init utils update list show getdeps” make_install () { make_uninstall echo ” info: Installing $PREFIX/bin/$BIN…” install -d “$PREFIX/bin” local source=$(<$BIN) [ -f "$source" ] && install "$source" "$PREFIX/bin/$BIN" || install "$BIN" "$PREFIX/bin" for cmd in $CMDS; do source=$(<$BIN-$cmd) [ -f "$source" ] && install "$source" "$PREFIX/bin/$BIN-$cmd" || install "$BIN-$cmd" "$PREFIX/bin" done return $? } make_uninstall () { echo " info: Uninstalling $PREFIX/bin/$BIN..." rm -f "$PREFIX/bin/$BIN" for cmd in $CMDS; do rm -f "$PREFIX/bin/$BIN-$cmd" done return $? } make_link () { make_uninstall echo " info: Linking $PREFIX/bin/$BIN..." ln -s "$PWD/$BIN" "$PREFIX/bin/$BIN" for cmd in $CMDS; do ln -s "$PWD/$BIN-$cmd" "$PREFIX/bin" done return $? } make_unlink () { make_uninstall } ## go [ $# -eq 0 ] && setup || make_$1 exit $?