$ git clone -n https://src.fedoraproject.org/rpms/perl-Dancer.git /var/lib/mock/f39-build-1453111-32871/root/chroot_tmpdir/scmroot/perl-Dancer
Cloning into '/var/lib/mock/f39-build-1453111-32871/root/chroot_tmpdir/scmroot/perl-Dancer'...
$ git fetch origin 136347cfefbd0d9e4d15b161cc0b435bdf220d0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Dancer
 * [new ref]         136347cfefbd0d9e4d15b161cc0b435bdf220d0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 136347c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild