$ git clone -n https://src.fedoraproject.org/rpms/perl-Apache-Session.git /var/lib/mock/f41-build-787142-13594/root/chroot_tmpdir/scmroot/perl-Apache-Session
Cloning into '/var/lib/mock/f41-build-787142-13594/root/chroot_tmpdir/scmroot/perl-Apache-Session'...
$ git fetch origin ef40481ec00f6ff1d628e40a3b47aa7831e63475:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Apache-Session
 * [new ref]         ef40481ec00f6ff1d628e40a3b47aa7831e63475 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef40481 Eliminate use of obsolete %patchN syntax (#2283636)