$ git clone -n https://src.fedoraproject.org/rpms/perl-Mojo-IOLoop-ReadWriteProcess.git /var/lib/mock/f38-build-side-42-init-devel-919493-28734/root/chroot_tmpdir/scmroot/perl-Mojo-IOLoop-ReadWriteProcess
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-919493-28734/root/chroot_tmpdir/scmroot/perl-Mojo-IOLoop-ReadWriteProcess'...
$ git fetch origin a67c71eebb42a4071a449e923218503acf9e1a40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Mojo-IOLoop-ReadWriteProcess
 * [new ref]         a67c71eebb42a4071a449e923218503acf9e1a40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a67c71e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild