$ git clone -n https://src.fedoraproject.org/rpms/mod_psgi.git /var/lib/mock/f45-build-19061-540/root/chroot_tmpdir/scmroot/mod_psgi
Cloning into '/var/lib/mock/f45-build-19061-540/root/chroot_tmpdir/scmroot/mod_psgi'...
$ git fetch origin 7e8ac91267c7c4f1c447a8fe13e101cca439bb23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_psgi
 * [new ref]         7e8ac91267c7c4f1c447a8fe13e101cca439bb23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e8ac91 Perl 5.44 rebuild