$ git clone -n https://src.fedoraproject.org/rpms/make.git /var/lib/mock/f41-build-823232-153579/root/chroot_tmpdir/scmroot/make
Cloning into '/var/lib/mock/f41-build-823232-153579/root/chroot_tmpdir/scmroot/make'...
$ git fetch origin 0e8a9e190834cf2f267a0dd09c49caa4175152a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/make
 * [new ref]         0e8a9e190834cf2f267a0dd09c49caa4175152a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e8a9e1 Disable guile support by default