fix iterating through paths that have spaces in them

Fixes #344, #196

test/commands.bats

@@ -19,6 +19,18 @@ load test_helper
   assert_line "shell"
 }
 
+@test "commands in path with spaces" {
+  path="${RBENV_TEST_DIR}/my commands"
+  cmd="${path}/rbenv-sh-hello"
+  mkdir -p "$path"
+  touch "$cmd"
+  chmod +x "$cmd"
+
+  PATH="${path}:$PATH" run rbenv-commands --sh
+  assert_success
+  assert_line "hello"
+}
+
 @test "commands --no-sh" {
   run rbenv-commands --no-sh
   assert_success

test/exec.bats

@@ -0,0 +1,14 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+@test "supports hook path with spaces" {
+  hook_path="${RBENV_TEST_DIR}/custom stuff/rbenv hooks"
+  mkdir -p "${hook_path}/exec"
+  echo "export HELLO='from hook'" > "${hook_path}/exec/hello.bash"
+
+  export RBENV_VERSION=system
+  RBENV_HOOK_PATH="$hook_path" run rbenv-exec env
+  assert_success
+  assert_line "HELLO=from hook"
+}

test/hooks.bats

@@ -28,6 +28,18 @@ create_hook() {
   assert_line 2 "${RBENV_TEST_DIR}/etc/rbenv_hooks/exec/bueno.bash"
 }
 
+@test "supports hook paths with spaces" {
+  path1="${RBENV_TEST_DIR}/my hooks/rbenv.d"
+  path2="${RBENV_TEST_DIR}/etc/rbenv hooks"
+  create_hook "$path1" exec "hello.bash"
+  create_hook "$path2" exec "ahoy.bash"
+
+  RBENV_HOOK_PATH="$path1:$path2" run rbenv-hooks exec
+  assert_success
+  assert_line 0 "${RBENV_TEST_DIR}/my hooks/rbenv.d/exec/hello.bash"
+  assert_line 1 "${RBENV_TEST_DIR}/etc/rbenv hooks/exec/ahoy.bash"
+}
+
 @test "resolves relative paths" {
   path="${RBENV_TEST_DIR}/rbenv.d"
   create_hook "$path" exec "hello.bash"