Fix "unbound variable" errors in bash (cherry picked from commit 9ad9e988b83a9a9a9748034ac77e743b2cab20e6) Change-Id: Ib7c8cb303f34104b9785c9376225f93174f3dae7
Fix "unbound variable" errors in bash (cherry picked from commit 9ad9e988b83a9a9a9748034ac77e743b2cab20e6) Change-Id: Ib7c8cb303f34104b9785c9376225f93174f3dae7