From 1ed231cb21afe7619513379e46ec3fa83ad91154 Mon Sep 17 00:00:00 2001
From: Graham Ashton <graham@effectif.com>
Date: Sat, 13 Aug 2011 07:50:23 +0100
Subject: [PATCH] Report default or local version.

If no argument is passed to the default or local sub commands, report
the currently configured version.
---
 README.md             |  6 ++++++
 libexec/rbenv-default | 18 +++++++++++-------
 libexec/rbenv-help    |  4 ++--
 libexec/rbenv-local   | 17 +++++++++++------
 4 files changed, 30 insertions(+), 15 deletions(-)

diff --git a/README.md b/README.md
index 4bb518b5..9635b362 100644
--- a/README.md
+++ b/README.md
@@ -134,6 +134,9 @@ overridden by a per-project `.rbenv-version` file, or by setting the
 The special version name `system` tells rbenv to use the system Ruby
 (detected by searching your `$PATH`).
 
+When run without a version number the currently configured default
+version is reported.
+
 ### <a name="section_3.2"></a> 3.2 local
 
 Sets a local per-project Ruby version by writing the version name to
@@ -143,6 +146,9 @@ overrides the default, and can be overridden itself by setting the
 
     $ rbenv local rbx-1.2.4
 
+When run without a version number the currently configured local
+version is reported.
+
 ### <a name="section_3.3"></a> 3.3 versions
 
 Lists all Ruby versions known to rbenv, and shows an asterisk next to
diff --git a/libexec/rbenv-default b/libexec/rbenv-default
index 4e616cf4..56f1276e 100755
--- a/libexec/rbenv-default
+++ b/libexec/rbenv-default
@@ -1,12 +1,16 @@
 #!/usr/bin/env bash -e
 
 RBENV_VERSION="$1"
+VERSION_FILE="${HOME}/.rbenv/default"
 if [ -z "$RBENV_VERSION" ]; then
-  echo "usage: rbenv default VERSION" >&2
-  exit 1
+  if [[ -e "$VERSION_FILE" ]]; then
+    cat "$VERSION_FILE"
+  else
+    echo "No default version configured - set with: rbenv default <version>"
+  fi
+else
+  # Make sure the specified version is installed
+  rbenv-prefix "$RBENV_VERSION" >/dev/null
+
+  echo "$RBENV_VERSION" > "$VERSION_FILE"
 fi
-
-# Make sure the specified version is installed
-rbenv-prefix "$RBENV_VERSION" >/dev/null
-
-echo "$RBENV_VERSION" > "${HOME}/.rbenv/default"
diff --git a/libexec/rbenv-help b/libexec/rbenv-help
index ef8f1dfd..4acb7dc6 100755
--- a/libexec/rbenv-help
+++ b/libexec/rbenv-help
@@ -22,8 +22,8 @@ case "$1" in
 Some useful rbenv commands are:
    commands      List all commands
    rehash        Rehash rbenv shims (run this after installing binaries)
-   default       Set the default Ruby version
-   local         Set a local directory-specific Ruby version
+   default       Set or show the default Ruby version
+   local         Set or show the local directory-specific Ruby version
    version       Show the current Ruby version
    versions      List all Ruby versions known by rbenv
 
diff --git a/libexec/rbenv-local b/libexec/rbenv-local
index fc94ec2d..cfc72067 100755
--- a/libexec/rbenv-local
+++ b/libexec/rbenv-local
@@ -1,12 +1,17 @@
 #!/usr/bin/env bash -e
 
 RBENV_VERSION="$1"
+VERSION_FILE=".rbenv-version"
 if [ -z "$RBENV_VERSION" ]; then
-  echo "usage: rbenv local VERSION" >&2
-  exit 1
+  if [[ -e "$VERSION_FILE" ]]; then
+    cat "$VERSION_FILE"
+  else
+    echo "No local version configured - set with: rbenv local <version>"
+  fi
+else
+  # Make sure the specified version is installed
+  rbenv-prefix "$RBENV_VERSION" >/dev/null
+
+  echo "$RBENV_VERSION" > "$VERSION_FILE"
 fi
 
-# Make sure the specified version is installed
-rbenv-prefix "$RBENV_VERSION" >/dev/null
-
-echo "$RBENV_VERSION" > .rbenv-version