$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Reader.git /var/lib/mock/f40-build-2019120-46492/root/chroot_tmpdir/scmroot/perl-Module-Reader
Cloning into '/var/lib/mock/f40-build-2019120-46492/root/chroot_tmpdir/scmroot/perl-Module-Reader'...
$ git fetch origin e2f88535f67790ceef9f2a25818f679774014a47:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Reader
 * [new ref]         e2f88535f67790ceef9f2a25818f679774014a47 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2f8853 Add TMT tests and gating