From 152904e3fb9879ad508deafda643ff9b9bc54104 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Mon, 15 Sep 2014 07:51:00 -0700
Subject: [PATCH 1/6] Return a nonzero exit code from nvm_rc_version when no
 .nvmrc found

---
 nvm.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nvm.sh b/nvm.sh
index 3069309..b657af9 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -98,6 +98,9 @@ nvm_rc_version() {
   if [ -e "$NVMRC_PATH" ]; then
     read NVM_RC_VERSION < "$NVMRC_PATH"
     echo "Found '$NVMRC_PATH' with version <$NVM_RC_VERSION>"
+  else
+    >&2 echo "No .nvmrc file found"
+    return 1
   fi
 }
 

From d5d66c34d989c569a8e3242f5e692d0b77be28a3 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Mon, 15 Sep 2014 07:54:30 -0700
Subject: [PATCH 2/6] If there's no "default" specified, fall back to an .nvmrc
 file.

---
 nvm.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/nvm.sh b/nvm.sh
index b657af9..c076373 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -842,5 +842,9 @@ nvm() {
   esac
 }
 
-nvm ls default >/dev/null && nvm use default >/dev/null || true
+if nvm ls default >/dev/null; then
+  nvm use default >/dev/null
+elif nvm_rc_version >/dev/null 2>&1; then
+  nvm use >/dev/null
+fi
 

From e0a22ccf4a98accf9f1feadac9e7ca20590df42c Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Mon, 15 Sep 2014 08:54:44 -0700
Subject: [PATCH 3/6] Unit tests: add `nvm_has`

---
 test/fast/Unit tests/nvm_has | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100755 test/fast/Unit tests/nvm_has

diff --git a/test/fast/Unit tests/nvm_has b/test/fast/Unit tests/nvm_has
new file mode 100755
index 0000000..437d26f
--- /dev/null
+++ b/test/fast/Unit tests/nvm_has	
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm_has cat && type cat > /dev/null || die 'nvm_has locates "cat" properly'
+
+[ "~$(nvm_has foobarbaz 2>&1)" = "~" ] || die "nvm_has does not suppress error output"
+
+! nvm_has foobarbaz && ! type foobarbaz >/dev/null 2>&1 || die "nvm_has does not return a nonzero exit code when not found"
+

From 97d4e2f88f4642006671fe446a65d9ddf0cd0d32 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Mon, 15 Sep 2014 09:09:56 -0700
Subject: [PATCH 4/6] Unit tests: add `nvm_find_up`

---
 test/fast/Unit tests/nvm_find_up | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100755 test/fast/Unit tests/nvm_find_up

diff --git a/test/fast/Unit tests/nvm_find_up b/test/fast/Unit tests/nvm_find_up
new file mode 100755
index 0000000..39fb568
--- /dev/null
+++ b/test/fast/Unit tests/nvm_find_up	
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+setup() {
+  cleanup
+  mkdir -p tmp_nvm_find_up/a/b/c/d
+  touch tmp_nvm_find_up/test
+  touch tmp_nvm_find_up/a/b/c/test
+}
+cleanup () {
+  rm -rf tmp_nvm_find_up
+}
+
+. ../../../nvm.sh
+
+setup
+
+TEST_DIR="$PWD"
+
+[ "~$(PWD=$TEST_DIR/tmp_nvm_find_up/a nvm_find_up 'test')" = "~$TEST_DIR/tmp_nvm_find_up" ] || die "failed to find 1 dir up"
+[ "~$(PWD=$TEST_DIR/tmp_nvm_find_up/a/b nvm_find_up 'test')" = "~$TEST_DIR/tmp_nvm_find_up" ] || die "failed to find 2 dirs up"
+[ "~$(PWD=$TEST_DIR/tmp_nvm_find_up/a/b/c nvm_find_up 'test')" = "~$TEST_DIR/tmp_nvm_find_up/a/b/c" ] || die "failed to find in current dir"
+[ "~$(PWD=$TEST_DIR/tmp_nvm_find_up/a/b/c/d nvm_find_up 'test')" = "~$TEST_DIR/tmp_nvm_find_up/a/b/c" ] || die "failed to find 1 level up from current dir"
+
+cleanup
+

From f6e010468552fed9d25c24819b6f5e8abe1baa02 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Mon, 15 Sep 2014 09:17:27 -0700
Subject: [PATCH 5/6] Use `nvm_normalize_version` in `nvm_version_greater`

---
 nvm.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/nvm.sh b/nvm.sh
index c076373..aeefc92 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -106,9 +106,9 @@ nvm_rc_version() {
 
 nvm_version_greater() {
   local LHS
-  LHS=$(echo "$1" | awk -F. '{for (i=1;i<=NF;++i) printf "%010d",$i}')
+  LHS=$(nvm_normalize_version "$1")
   local RHS
-  RHS=$(echo "$2" | awk -F. '{for (i=1;i<=NF;++i) printf "%010d",$i}')
+  RHS=$(nvm_normalize_version "$2")
   [ $LHS -gt $RHS ];
 }
 
@@ -174,7 +174,7 @@ nvm_remote_version() {
 }
 
 nvm_normalize_version() {
-  echo "$1" | sed -e 's/^v//' | \awk -F. '{ printf("%d%03d%03d\n", $1,$2,$3); }'
+  echo "$1" | sed -e 's/^v//' | \awk -F. '{ printf("%d%06d%06d\n", $1,$2,$3); }'
 }
 
 nvm_format_version() {

From e186fa27a7ea88092c1d42a6d823c53f4883f023 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Mon, 15 Sep 2014 09:20:47 -0700
Subject: [PATCH 6/6] Use `nvm_version_greater` in `nvm_binary_available`

---
 nvm.sh | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/nvm.sh b/nvm.sh
index aeefc92..f6e9511 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -195,11 +195,9 @@ nvm_prepend_path() {
 
 nvm_binary_available() {
   # binaries started with node 0.8.6
-  local MINIMAL
-  MINIMAL="0.8.6"
-  local VERSION
-  VERSION=$1
-  [ $(nvm_normalize_version $VERSION) -ge $(nvm_normalize_version $MINIMAL) ]
+  local LAST_VERSION_WITHOUT_BINARY
+  LAST_VERSION_WITHOUT_BINARY="0.8.5"
+  nvm_version_greater "$1" "$LAST_VERSION_WITHOUT_BINARY"
 }
 
 nvm_ls_current() {