$ git clone -n https://src.fedoraproject.org/rpms/perl-Palm.git /var/lib/mock/f40-build-2019874-46570/root/chroot_tmpdir/scmroot/perl-Palm
Cloning into '/var/lib/mock/f40-build-2019874-46570/root/chroot_tmpdir/scmroot/perl-Palm'...
$ git fetch origin 820c5dcc79f27fcc75017bf7f3c01c3f9fca32e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Palm
 * [new ref]         820c5dcc79f27fcc75017bf7f3c01c3f9fca32e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 820c5dc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild