$ git clone -n https://src.fedoraproject.org/rpms/edk2.git /var/lib/mock/f38-build-730211-102601/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/f38-build-730211-102601/root/chroot_tmpdir/scmroot/edk2'...
$ git fetch origin 49053fcdb116cdd835a34d0ae76fe2c641cf4e10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/edk2
 * [new ref]         49053fcdb116cdd835a34d0ae76fe2c641cf4e10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49053fc disable EFI_MEMORY_ATTRIBUTE_PROTO (workaround shim bug)