$ git clone -n https://src.fedoraproject.org/rpms/php-pear-File-Fstab.git /var/lib/mock/f45-build-27970-627/root/chroot_tmpdir/scmroot/php-pear-File-Fstab
Cloning into '/var/lib/mock/f45-build-27970-627/root/chroot_tmpdir/scmroot/php-pear-File-Fstab'...
$ git fetch origin 1b57bd28ccae31692bf83f4d8638bbd86d77add5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pear-File-Fstab
 * [new ref]         1b57bd28ccae31692bf83f4d8638bbd86d77add5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b57bd2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild