Simplify resolving symlinks, remove native extension (#1428)

test/hooks.bats

@@ -43,16 +43,16 @@ ${RBENV_TEST_DIR}/etc/rbenv hooks/exec/ahoy.bash
 OUT
 }
 
-@test "resolves relative paths" {
+@test "does not canonicalize paths" {
   RBENV_HOOK_PATH="${RBENV_TEST_DIR}/rbenv.d"
   create_hook exec "hello.bash"
   mkdir -p "$HOME"
 
   RBENV_HOOK_PATH="${HOME}/../rbenv.d" run rbenv-hooks exec
-  assert_success "${RBENV_TEST_DIR}/rbenv.d/exec/hello.bash"
+  assert_success "${RBENV_TEST_DIR}/home/../rbenv.d/exec/hello.bash"
 }
 
-@test "resolves symlinks" {
+@test "does not resolve symlinks" {
   path="${RBENV_TEST_DIR}/rbenv.d"
   mkdir -p "${path}/exec"
   mkdir -p "$HOME"
@@ -64,7 +64,7 @@ OUT
   RBENV_HOOK_PATH="$path" run rbenv-hooks exec
   assert_success
   assert_output <<OUT
-${HOME}/hola.bash
-${RBENV_TEST_DIR}/rbenv.d/exec/bright.sh
+${RBENV_TEST_DIR}/rbenv.d/exec/hello.bash
+${RBENV_TEST_DIR}/rbenv.d/exec/world.bash
 OUT
 }

test/run

@@ -1,9 +1,4 @@
 #!/usr/bin/env bash
 set -e
 
-if [ -n "$RBENV_NATIVE_EXT" ]; then
-  src/configure
-  make -C src
-fi
-
 exec bats ${CI:+--tap} "${@:-test}"

test/test_helper.bash

@@ -6,15 +6,6 @@ if [ -z "$RBENV_TEST_DIR" ]; then
   RBENV_TEST_DIR="${BATS_TMPDIR}/rbenv"
   export RBENV_TEST_DIR="$(mktemp -d "${RBENV_TEST_DIR}.XXX" 2>/dev/null || echo "$RBENV_TEST_DIR")"
 
-  if enable -f "${BATS_TEST_DIRNAME}"/../libexec/rbenv-realpath.dylib realpath 2>/dev/null; then
-    export RBENV_TEST_DIR="$(realpath "$RBENV_TEST_DIR")"
-  else
-    if [ -n "$RBENV_NATIVE_EXT" ]; then
-      echo "rbenv: failed to load \`realpath' builtin" >&2
-      exit 1
-    fi
-  fi
-
   export RBENV_ROOT="${RBENV_TEST_DIR}/root"
   export HOME="${RBENV_TEST_DIR}/home"
   export RBENV_HOOK_PATH="${RBENV_ROOT}/rbenv.d"