Merge pull request #661 from yyuu/workaroud-bin-python

Add workaround for `/bin/python`

libexec/pyenv-prefix

@@ -32,6 +32,7 @@ OLDIFS="$IFS"
     if [ "$version" = "system" ]; then
       if PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python 2>/dev/null)"; then
         PYENV_PREFIX_PATH="${PYTHON_PATH%/bin/*}"
+        PYENV_PREFIX_PATH="${PYENV_PREFIX_PATH:-/}"
       else
         echo "pyenv: system version not found in PATH" >&2
         exit 1

test/prefix.bats

@@ -24,6 +24,18 @@ load test_helper
   assert_success "$PYENV_TEST_DIR"
 }
 
+@test "prefix for system in /" {
+  mkdir -p "${BATS_TEST_DIRNAME}/libexec"
+  cat >"${BATS_TEST_DIRNAME}/libexec/pyenv-which" <<OUT
+#!/bin/sh
+echo /bin/python
+OUT
+  chmod +x "${BATS_TEST_DIRNAME}/libexec/pyenv-which"
+  PYENV_VERSION="system" run pyenv-prefix
+  assert_success "/"
+  rm -f "${BATS_TEST_DIRNAME}/libexec/pyenv-which"
+}
+
 @test "prefix for invalid system" {
   PATH="$(path_without python)" run pyenv-prefix system
   assert_failure "pyenv: system version not found in PATH"