$ git clone -n https://src.fedoraproject.org/rpms/perl-boolean.git /var/lib/mock/f39-build-1438399-32204/root/chroot_tmpdir/scmroot/perl-boolean
Cloning into '/var/lib/mock/f39-build-1438399-32204/root/chroot_tmpdir/scmroot/perl-boolean'...
$ git fetch origin 1c53d4c9fa4dd9948fe8555548d36ae3b03a6dbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-boolean
 * [new ref]         1c53d4c9fa4dd9948fe8555548d36ae3b03a6dbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c53d4c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild