From d037628e7e2d20e2cf2837198e51a2cc641bf7a4 Mon Sep 17 00:00:00 2001
From: Akash Manohar J <akash@akash.im>
Date: Wed, 27 May 2015 12:13:10 +0530
Subject: [PATCH] Add which command

---
 bin/asdf              |  4 ++++
 lib/commands/which.sh | 15 +++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 lib/commands/which.sh

diff --git a/bin/asdf b/bin/asdf
index 995b3c9a..dd3ece7e 100755
--- a/bin/asdf
+++ b/bin/asdf
@@ -5,6 +5,7 @@ source $(dirname $(dirname $0))/lib/utils.sh
 source $(dirname $(dirname $0))/lib/commands/help.sh
 source $(dirname $(dirname $0))/lib/commands/install.sh
 source $(dirname $(dirname $0))/lib/commands/uninstall.sh
+source $(dirname $(dirname $0))/lib/commands/which.sh
 source $(dirname $(dirname $0))/lib/commands/list.sh
 source $(dirname $(dirname $0))/lib/commands/list-all.sh
 source $(dirname $(dirname $0))/lib/commands/reshim.sh
@@ -31,6 +32,9 @@ case $1 in
 "uninstall")
     uninstall_command $callback_args;;
 
+"which")
+    which_command $callback_args;;
+
 "list")
     list_command $callback_args;;
 
diff --git a/lib/commands/which.sh b/lib/commands/which.sh
new file mode 100644
index 00000000..68fb22d1
--- /dev/null
+++ b/lib/commands/which.sh
@@ -0,0 +1,15 @@
+which_command() {
+  local plugin_name=$1
+  local plugin_path=$(get_plugin_path $plugin_name)
+  check_if_plugin_exists $plugin_path
+
+  full_version=$(get_preset_version_for $plugin_name)
+
+  if [ "$full_version" == "" ]; then
+      echo "No version set for ${plugin_name}"
+      exit -1
+  else
+      echo "$full_version"
+      exit 0
+  fi
+}