$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-WWW-Mechanize-Catalyst.git /var/lib/mock/f41-build-side-1-2774790-32365/root/chroot_tmpdir/scmroot/perl-Test-WWW-Mechanize-Catalyst
Cloning into '/var/lib/mock/f41-build-side-1-2774790-32365/root/chroot_tmpdir/scmroot/perl-Test-WWW-Mechanize-Catalyst'...
$ git fetch origin 8d84d80bee2ece533711ab26f3d5cf8afe7a721f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-WWW-Mechanize-Catalyst
 * [new ref]         8d84d80bee2ece533711ab26f3d5cf8afe7a721f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d84d80 convert GPL+ or Artistic license to SPDX