init

bpkg

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+bpkg.sh

bpkg-install

@@ -0,0 +1 @@
+lib/install/install.sh

bpkg-json

@@ -0,0 +1 @@
+lib/json/JSON.sh

bpkg-package

@@ -0,0 +1 @@
+lib/package/package.sh

bpkg.sh

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

lib/install/install.sh

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+#!/bin/bash
+
+BPKG_REMOTE="${BPKG_REMOTE:-"https://raw.githubusercontent.com"}"
+BPKG_USER="${BPKG_USER:-"bpkg"}"
+
+## outut usage
+usage () {
+  echo "usage: bpkg-install [-h|--help]"
+  echo "   or: bpkg-install <package>"
+  echo "   or: bpkg-install <user>/<package>"
+}
+
+## Install a bash package
+bpkg_install () {
+  local pkg="${1}"
+  local cwd="`pwd`"
+  local user=""
+  local name=""
+  local url=""
+  local uri=""
+  local version=""
+  local status=""
+  local json=""
+  declare -a local parts=()
+  declare -a local scripts=()
+
+  case "${pkg}" in
+    -h|--help)
+      usage
+      return 0
+      ;;
+  esac
+
+  ## ensure there is a package to install
+  if [ -z "${pkg}" ]; then
+    return 1
+  fi
+
+  ## ensure remote is reachable
+  {
+    curl -s "${BPKG_REMOTE}"
+    if [ "0" != "$?" ]; then
+      return 1
+    fi
+  }
+
+  ## get version if available
+  {
+    OLDIFS="${IFS}"
+    IFS="@"
+    parts=(${pkg})
+    IFS="${OLDIFS}"
+  }
+
+  if [ "1" = "${#parts[@]}" ]; then
+    version="master"
+  elif [ "2" = "${#parts[@]}" ]; then
+    name="${parts[0]}"
+    version="${parts[1]}"
+  else
+    echo >&2 "error: Error parsing package version"
+    return 1
+  fi
+
+  ## split by user name and repo
+  {
+    OLDIFS="${IFS}"
+    IFS='/'
+    parts=(${pkg})
+    IFS="${OLDIFS}"
+  }
+
+  if [ "1" = "${#parts[@]}" ]; then
+    user="${BPKG_USER}"
+    name="${parts[0]}"
+  elif [ "2" = "${#parts[@]}" ]; then
+    user="${parts[0]}"
+    name="${parts[1]}"
+  else
+    echo >&2 "error: Unable to determine package name"
+    return 1
+  fi
+
+  ## clean up name of weird trailing versions
+  name=${name/@*//}
+
+  ## build uri portion
+  uri="/${user}/${name}/${version}"
+
+  ## clean up extra slashes in uri
+  uri=${uri/\/\///}
+
+  ## build url
+  url="${BPKG_REMOTE}${uri}"
+
+  ## determine if `package.json' exists at url
+  {
+    status=$(curl -sL "${url}/package.json" -w '%{http_code}' -o /dev/null)
+    if [ "0" != "$?" ] || (( status >= 400 )); then
+      echo >&2 "error: Package doesn't exist"
+      return 1
+    fi
+  }
+
+  ## read package.json
+  json=$(curl -sL "${url}/package.json")
+
+  ## construct scripts array
+  {
+    scripts=$(echo -n $json | bpkg-json -b | grep 'scripts' | awk '{ print $2 }' | tr -d '"')
+    OLDIFS="${IFS}"
+    IFS=','
+    scripts=($(echo ${scripts}))
+    IFS="${OLDIFS}"
+  }
+
+  ## get package name from `package.json'
+  name="$(echo -n ${json} | bpkg-json -b | grep 'name' | awk '{ print $2 }' | tr -d '"')"
+
+  if [ "${#scripts[@]}" -gt "0" ]; then
+    ## make `deps/' directory if possible
+    mkdir -p "${cwd}/deps/${name}"
+    ## grab each script and place in deps directory
+    for (( i = 0; i < ${#scripts[@]} ; ++i )); do
+      (
+        local script=${scripts[$i]}
+        curl -sL "${url}/${script}" -o "${cwd}/deps/${name}/${script}"
+      )
+    done
+  fi
+
+  return 0
+}
+
+if [[ ${BASH_SOURCE[0]} != $0 ]]; then
+  export -f bpkg_install
+else
+  bpkg_install "${@}"
+  exit $?
+fi

lib/json/.gitignore

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+test/errlog
+test/outlog