$ git clone -n https://src.fedoraproject.org/rpms/e2fsprogs.git /var/lib/mock/f42-build-867430-175505/root/chroot_tmpdir/scmroot/e2fsprogs
Cloning into '/var/lib/mock/f42-build-867430-175505/root/chroot_tmpdir/scmroot/e2fsprogs'...
$ git fetch origin 93b481347ec2cbfc9d672b2375b511fa78db5f08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/e2fsprogs
 * [new ref]         93b481347ec2cbfc9d672b2375b511fa78db5f08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93b4813 Rebuilt for the bin-sbin merge (2nd attempt)