$ git clone -n https://src.fedoraproject.org/rpms/perl-Palm.git /var/lib/mock/f45-build-25626-612/root/chroot_tmpdir/scmroot/perl-Palm
Cloning into '/var/lib/mock/f45-build-25626-612/root/chroot_tmpdir/scmroot/perl-Palm'...
$ git fetch origin 59e120510c1fa02517b428cc12da0fa4d93c1b28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Palm
 * [new ref]         59e120510c1fa02517b428cc12da0fa4d93c1b28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59e1205 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild