$ git clone -n https://src.fedoraproject.org/rpms/gnu-efi.git /var/lib/mock/f39-build-1895966-42814/root/chroot_tmpdir/scmroot/gnu-efi
Cloning into '/var/lib/mock/f39-build-1895966-42814/root/chroot_tmpdir/scmroot/gnu-efi'...
$ git fetch origin 26bd2176da634c779e3f9b20ab579856e6a2340b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnu-efi
 * [new ref]         26bd2176da634c779e3f9b20ab579856e6a2340b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26bd217 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild