Test IFS handling in version-name/version-origin hooks

test/version-name.bats

@@ -31,6 +31,18 @@ setup() {
   assert_success "1.9.3"
 }
 
+@test "carries original IFS within hooks" {
+  create_hook version-name hello.bash <<SH
+hellos=(\$(printf "hello\\tugly world\\nagain"))
+echo HELLO="\$(printf ":%s" "\${hellos[@]}")"
+SH
+
+  export RBENV_VERSION=system
+  IFS=$' \t\n' run rbenv-version-name env
+  assert_success
+  assert_line "HELLO=:hello:ugly:world:again"
+}
+
 @test "RBENV_VERSION has precedence over local" {
   create_version "1.8.7"
   create_version "1.9.3"

test/version-origin.bats

@@ -38,6 +38,18 @@ setup() {
   assert_success "plugin"
 }
 
+@test "carries original IFS within hooks" {
+  create_hook version-origin hello.bash <<SH
+hellos=(\$(printf "hello\\tugly world\\nagain"))
+echo HELLO="\$(printf ":%s" "\${hellos[@]}")"
+SH
+
+  export RBENV_VERSION=system
+  IFS=$' \t\n' run rbenv-version-origin env
+  assert_success
+  assert_line "HELLO=:hello:ugly:world:again"
+}
+
 @test "doesn't inherit RBENV_VERSION_ORIGIN from environment" {
   RBENV_VERSION_ORIGIN=ignored run rbenv-version-origin
   assert_success "${RBENV_ROOT}/version"