$ git clone -n https://src.fedoraproject.org/rpms/perl-Encode-ISO2022.git /var/lib/mock/f45-build-23357-597/root/chroot_tmpdir/scmroot/perl-Encode-ISO2022
Cloning into '/var/lib/mock/f45-build-23357-597/root/chroot_tmpdir/scmroot/perl-Encode-ISO2022'...
$ git fetch origin d679c748769b61a30cdca5831c8fdfced1a8d94f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Encode-ISO2022
 * [new ref]         d679c748769b61a30cdca5831c8fdfced1a8d94f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d679c74 Perl 5.44 rebuild