$ git clone -n https://src.fedoraproject.org/rpms/e2fsprogs.git /var/lib/mock/f41-build-856531-167656/root/chroot_tmpdir/scmroot/e2fsprogs
Cloning into '/var/lib/mock/f41-build-856531-167656/root/chroot_tmpdir/scmroot/e2fsprogs'...
$ git fetch origin 7a625ebed5c2cb1ca2fc330ed5b6bae9e95c1b2e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/e2fsprogs
 * [new ref]         7a625ebed5c2cb1ca2fc330ed5b6bae9e95c1b2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a625eb Actually apply the new patch