Initial support for which command

bin/asdf

@@ -7,6 +7,7 @@ source $(dirname $(dirname $0))/lib/commands/install.sh
 source $(dirname $(dirname $0))/lib/commands/uninstall.sh
 source $(dirname $(dirname $0))/lib/commands/current.sh
 source $(dirname $(dirname $0))/lib/commands/where.sh
+source $(dirname $(dirname $0))/lib/commands/which.sh
 source $(dirname $(dirname $0))/lib/commands/version_commands.sh
 source $(dirname $(dirname $0))/lib/commands/list.sh
 source $(dirname $(dirname $0))/lib/commands/list-all.sh
@@ -42,6 +43,9 @@ case $1 in
 "where")
     where_command $callback_args;;
 
+"which")
+    which_command $callback_args;;
+    
 "local")
     local_command $callback_args;;
 

completions/asdf.bash

@@ -32,7 +32,7 @@ _asdf () {
       fi
       ;;
     *)
-      local cmds='plugin-add plugin-list plugin-remove plugin-update install uninstall current where list list-all reshim'
+      local cmds='plugin-add plugin-list plugin-remove plugin-update install uninstall current where which list list-all reshim'
       COMPREPLY=($(compgen -W "$cmds" -- $cur))
       ;;
   esac

help.txt

@@ -13,6 +13,7 @@ MANAGE PACKAGES
   asdf uninstall <name> <version>      Remove a specific version of a package
   asdf current <name>                  Display current version set or being used for package
   asdf where <name> <version>          Display install path for an installed version
+  asdf which <name>                    Display install path for current version
   asdf local <name> <version>          Set the package local version
   asdf global <name> <version>         Set the package global version
   asdf list <name>                     List installed versions of a package

lib/commands/which.sh

@@ -0,0 +1,36 @@
+current_version() {
+  local plugin_name=$1
+
+  check_if_plugin_exists $plugin_name
+
+  local search_path=$(pwd)
+  local version_and_path=$(find_version "$plugin_name" "$search_path")
+  local version=$(cut -d '|' -f 1 <<< "$version_and_path");
+  local version_file_path=$(cut -d '|' -f 2  <<< "$version_and_path");
+
+  check_if_version_exists $plugin_name $version
+  check_for_deprecated_plugin $plugin_name
+
+  if [ -z "$version" ]; then
+    echo "No version set for $plugin_name"
+    exit 1
+  else
+    echo "$version"
+  fi
+}
+
+which_command() {
+  local plugin_name=$1
+  local plugin_path=$(get_plugin_path $plugin_name)
+  check_if_plugin_exists $plugin_name
+
+  local install_path=$(get_install_path $plugin_name $install_type $(current_version))
+
+  if [ -d $install_path ]; then
+    echo $install_path/$plugin_name
+    exit 0
+  else
+    echo "Version not installed"
+    exit 1
+  fi
+}