From 4d762bca7ba5b75d7359275613af339419b5f5d7 Mon Sep 17 00:00:00 2001
From: Paul Bransford <draeath@gmail.com>
Date: Tue, 7 Jul 2020 18:39:52 -0400
Subject: [PATCH 1/2] fix 'system' python to be present if 'python3' is on path
 but not 'python'

---
 libexec/pyenv-prefix   | 2 +-
 libexec/pyenv-versions | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libexec/pyenv-prefix b/libexec/pyenv-prefix
index ac04f6bc..a2ee880e 100755
--- a/libexec/pyenv-prefix
+++ b/libexec/pyenv-prefix
@@ -30,7 +30,7 @@ OLDIFS="$IFS"
 { IFS=:
   for version in ${PYENV_VERSION}; do
     if [ "$version" = "system" ]; then
-      if PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python 2>/dev/null)"; then
+      if PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python 2>/dev/null)" || PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python3 2>/dev/null)"; then
         PYENV_PREFIX_PATH="${PYTHON_PATH%/bin/*}"
         PYENV_PREFIX_PATH="${PYENV_PREFIX_PATH:-/}"
       else
diff --git a/libexec/pyenv-versions b/libexec/pyenv-versions
index 019c0e90..1e3302d2 100755
--- a/libexec/pyenv-versions
+++ b/libexec/pyenv-versions
@@ -102,7 +102,7 @@ print_version() {
 }
 
 # Include "system" in the non-bare output, if it exists
-if [ -n "$include_system" ] && PYENV_VERSION=system pyenv-which python >/dev/null 2>&1; then
+if [ -n "$include_system" ] && (PYENV_VERSION=system pyenv-which python >/dev/null 2>&1 || PYENV_VERSION=system pyenv-which python3 >/dev/null 2>&1); then
   print_version system
 fi
 

From f77c2d7eab15d3ec04751c4545fabf5d5c56342b Mon Sep 17 00:00:00 2001
From: Ivan Pozdeev <vano@mail.mipt.ru>
Date: Mon, 21 Sep 2020 18:53:09 +0300
Subject: [PATCH 2/2] Detect Py2 presence as well

---
 libexec/pyenv-prefix   | 4 +++-
 libexec/pyenv-versions | 5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/libexec/pyenv-prefix b/libexec/pyenv-prefix
index a2ee880e..9e20a21a 100755
--- a/libexec/pyenv-prefix
+++ b/libexec/pyenv-prefix
@@ -30,7 +30,9 @@ OLDIFS="$IFS"
 { IFS=:
   for version in ${PYENV_VERSION}; do
     if [ "$version" = "system" ]; then
-      if PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python 2>/dev/null)" || PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python3 2>/dev/null)"; then
+      if PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python 2>/dev/null)" || \
+          PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python3 2>/dev/null)" || \
+          PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python2 2>/dev/null)"; then
         PYENV_PREFIX_PATH="${PYTHON_PATH%/bin/*}"
         PYENV_PREFIX_PATH="${PYENV_PREFIX_PATH:-/}"
       else
diff --git a/libexec/pyenv-versions b/libexec/pyenv-versions
index 1e3302d2..195f4590 100755
--- a/libexec/pyenv-versions
+++ b/libexec/pyenv-versions
@@ -102,7 +102,10 @@ print_version() {
 }
 
 # Include "system" in the non-bare output, if it exists
-if [ -n "$include_system" ] && (PYENV_VERSION=system pyenv-which python >/dev/null 2>&1 || PYENV_VERSION=system pyenv-which python3 >/dev/null 2>&1); then
+if [ -n "$include_system" ] && \
+    (PYENV_VERSION=system pyenv-which python >/dev/null 2>&1 || \
+     PYENV_VERSION=system pyenv-which python3 >/dev/null 2>&1 || \
+     PYENV_VERSION=system pyenv-which python2 >/dev/null 2>&1) ; then
   print_version system
 fi