$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Install-Authority.git /var/lib/mock/f41-build-691975-12735/root/chroot_tmpdir/scmroot/perl-Module-Install-Authority
Cloning into '/var/lib/mock/f41-build-691975-12735/root/chroot_tmpdir/scmroot/perl-Module-Install-Authority'...
$ git fetch origin fc96f90229421f5a4c0673d1f496ee5254bca7b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Install-Authority
 * [new ref]         fc96f90229421f5a4c0673d1f496ee5254bca7b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc96f90 Eliminate use of obsolete %patchN syntax (#2283636)