$ git clone -n https://src.fedoraproject.org/rpms/perl-Pod-Escapes.git /var/lib/mock/f40-build-2020190-46603/root/chroot_tmpdir/scmroot/perl-Pod-Escapes
Cloning into '/var/lib/mock/f40-build-2020190-46603/root/chroot_tmpdir/scmroot/perl-Pod-Escapes'...
$ git fetch origin ec554539aacf75bae414e0196b8bf58d39eca31a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Pod-Escapes
 * [new ref]         ec554539aacf75bae414e0196b8bf58d39eca31a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec55453 Package tests; Modernize spec