feat(): introduce 'bpkg-run'

.shellcheckrc

@@ -2,3 +2,5 @@
 disable=SC2034
 ## Allow declare and assign separately to avoid masking return values
 disable=SC2155
+## Double quote array expansions to avoid re-splitting elements.
+disable=SC2068

README.md

@@ -130,6 +130,10 @@ You can install a packages dependencies with the `bpkg getdeps` command. These w
 
 _Note: There is no protection against circular dependencies, so be careful!_
 
+### Running packages with `bpkg`
+
+You can run a package script with `bpkg run` which will install your
+package globally and execute it as a command
 
 ### Retrieving package info
 
@@ -242,7 +246,6 @@ This is a hash of dependencies. The keys are the package names, and the values a
   }
 ```
 
-
 ## Packaging best practices
 
 These are guidelines that we strongly encourage developers to follow.
@@ -295,15 +298,12 @@ Support this project by becoming a sponsor. Your logo will show up here with a l
 This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
 <a href="graphs/contributors"><img src="https://opencollective.com/bpkg/contributors.svg?width=890&button=false" /></a>
 
-
 ### Backers
 
 Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/bpkg#backer)]
 
 <a href="https://opencollective.com/bpkg#backers" target="_blank"><img src="https://opencollective.com/bpkg/backers.svg?width=890"></a>
 
-
-
 ## License
 
 `bpkg` is released under the **MIT license**.

bpkg-run

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

lib/install/install.sh

@@ -13,6 +13,8 @@ fi
 BPKG_USER="${BPKG_USER:-bpkg}"
 BPKG_DEPS="${BPKG_DEPS:-deps}"
 
+let prevent_prune=0
+
 ## check parameter consistency
 validate_parameters () {
   if [[ ${#BPKG_GIT_REMOTES[@]} -ne ${#BPKG_REMOTES[@]} ]]; then
@@ -175,6 +177,10 @@ bpkg_install () {
         shift
         needs_global=1
         ;;
+      --no-prune)
+        shift
+        prevent_prune=1
+        ;;
 
       *)
         if [[ '-' = "${opt:0:1}" ]]; then
@@ -410,10 +416,10 @@ bpkg_install_from_remote () {
       ## go to tmp dir
       cd "$([[ -n "$TMPDIR" ]] && echo "$TMPDIR" || echo /tmp)" &&
       ## prune existing
-      rm -rf "$name-$version" &&
+      ( (( 0 == prevent_prune )) && rm -rf "$name-$version" || true) &&
 
       ## shallow clone
-      info "Cloning $repo_url to $name-$version"
+      info "Cloning $repo_url to $(pwd)/$name-$version"
       git clone "$repo_url" "$name-$version" && (
           ## move into directory
           cd "$name-$version" && (
@@ -432,7 +438,9 @@ bpkg_install_from_remote () {
       )
 
       ## clean up
-      rm -rf "$name-$version"
+      if (( 0 == prevent_prune )); then
+        rm -rf "$name-$version"
+      fi
     )}
   ## perform local install otherwise
   else

lib/package/package.sh

@@ -1,5 +1,13 @@
 #!/bin/bash
 
+BPKG_JSON="$(which bpkg-json)"
+
+if [ -z "$BPKG_JSON" ]; then
+  BPKG_JSON="$(realpath "$0/../JSON/JSON.sh")"
+else
+  BPKG_JSON="$(realpath "$BPKG_JSON")"
+fi
+
 ## output usage
 usage () {
   echo "usage: bpkg-package [-h|--help]"
@@ -30,11 +38,11 @@ bpkg_package () {
       if [ -z "$prop" ]; then
         ## output all propertyies if property
         ## is ommited
-        cat "$pkg" | bpkg-json -b
+        cat "$pkg" | "$BPKG_JSON" -b
       else
         ## show value for a specific property
         ## in 'bpkg.json' or 'package.json'
-        cat "$pkg" | bpkg-json -b | grep "$prop" | awk '{ $1=""; printf $0 }' | tr -d '"'
+        cat "$pkg" | "$BPKG_JSON" -b | grep "$prop" | awk '{ $1=""; printf $0 }' | tr -d '"' | sed 's/^ *//;s/ *$//'
         echo
       fi
 
@@ -46,9 +54,13 @@ bpkg_package () {
   return 1
 }
 
-if [[ ${BASH_SOURCE[0]} != "$0" ]]; then
-  export -f bpkg_package
+if [ -z "$BPKG_JSON" ]; then
+  echo 1>&2 "error: Failed to load 'bpkg-json'"
 else
-  bpkg_package "${@}"
-  exit $?
+  if [[ ${BASH_SOURCE[0]} != "$0" ]]; then
+    export -f bpkg_package
+  else
+    bpkg_package "${@}"
+    exit $?
+  fi
 fi

lib/run/run.sh

@@ -0,0 +1,106 @@
+#!/bin/bash
+
+if ! type -f bpkg-utils &>/dev/null; then
+  echo "error: bpkg-utils not found, aborting"
+  exit 1
+else
+  # shellcheck disable=SC2230
+  # shellcheck source=lib/utils/utils.sh
+  source "$(which bpkg-utils)"
+fi
+
+if ! type -f bpkg-install &>/dev/null; then
+  echo "error: bpkg-install not found, aborting"
+  exit 1
+else
+  # shellcheck disable=SC2230
+  # shellcheck source=lib/install/install.sh
+  source "$(which bpkg-install)"
+fi
+
+if ! type -f bpkg-package &>/dev/null; then
+  echo "error: bpkg-package not found, aborting"
+  exit 1
+else
+  # shellcheck disable=SC2230
+  # shellcheck source=lib/package/package.sh
+  source "$(which bpkg-package)"
+fi
+
+bpkg_initrc
+
+## outut usage
+usage () {
+  echo 'usage: bpkg-run [-h|--help]'
+  echo '   or: bpkg-run [-s|--source] <package>'
+  echo '   or: bpkg-run [-s|--source] <user>/<package>'
+}
+
+bpkg_run () {
+  pushd . >/dev/null || return $?
+  local ignore_args=0
+  local needs_name=0
+  local package=''
+  local name=''
+
+  for opt in "$@"; do
+    case "$opt" in
+      -h|--help)
+        if (( 0 == ignore_args )); then
+          usage
+          return 0
+        fi
+        ;;
+
+      -s|--source)
+        if (( 0 == ignore_args )); then
+          # shellcheck disable=SC1090
+          source "$(which "$name")"
+          return $?
+        fi
+        ;;
+
+      -t|--target|--name)
+        if (( 0 == ignore_args )); then
+          shift
+          needs_name=1
+        fi
+        ;;
+
+      *)
+        ignore_args=1
+        if (( 1 == needs_name )); then
+          name="$opt"
+          shift
+          needs_name=0
+        fi
+        ;;
+    esac
+  done
+
+  local dest=$(bpkg_install --no-prune -g "$1" 2>/dev/null | grep 'info: Cloning' | sed 's/.* to //g' | xargs echo)
+
+  if [ -z "$dest" ]; then return $?; fi
+
+  cd "$dest" || return $?
+
+  if [ -z "$name" ]; then
+    name="$(bpkg_package name)"
+  fi
+
+  shift
+  popd >/dev/null || return $?
+  eval "$(which "$name")" $@
+  return $?
+}
+
+## Use as lib or perform install
+if [[ ${BASH_SOURCE[0]} != "$0" ]]; then
+  export -f bpkg_run
+elif validate_parameters; then
+  bpkg_run "$@"
+  exit $?
+else
+  #param validation failed
+  exit $?
+fi

setup.sh

@@ -43,13 +43,13 @@ setup () {
   ## build
   {
     echo
-    cd "${TMPDIR}"
+    cd "${TMPDIR}" || exit
     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}"
+    cd "${DEST}" || exit
     echo "  info: Installing..."
     echo
     make_install
@@ -69,7 +69,7 @@ if [ -z "$PREFIX" ]; then
 fi
 
 # All 'bpkg' supported commands
-CMDS="json install package term suggest init utils update list show getdeps"
+CMDS="json install package term suggest init utils update list show getdeps run"
 
 make_install () {
   local source