$ git clone -n https://src.fedoraproject.org/rpms/perl-POE-Component-Client-SMTP.git /var/lib/mock/f41-build-823404-14353/root/chroot_tmpdir/scmroot/perl-POE-Component-Client-SMTP
Cloning into '/var/lib/mock/f41-build-823404-14353/root/chroot_tmpdir/scmroot/perl-POE-Component-Client-SMTP'...
$ git fetch origin 461eea606a3ae11fd7932f9dfa8548b87dad8437:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-POE-Component-Client-SMTP
 * [new ref]         461eea606a3ae11fd7932f9dfa8548b87dad8437 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 461eea6 Eliminate use of obsolete %patchN syntax (#2283636)