$ git clone -n https://src.fedoraproject.org/rpms/perl-Regexp-Assemble.git /var/lib/mock/f40-build-2020491-46634/root/chroot_tmpdir/scmroot/perl-Regexp-Assemble
Cloning into '/var/lib/mock/f40-build-2020491-46634/root/chroot_tmpdir/scmroot/perl-Regexp-Assemble'...
$ git fetch origin c67df6ecb9a36e8de288775cfe87d7b61f09c7e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Regexp-Assemble
 * [new ref]         c67df6ecb9a36e8de288775cfe87d7b61f09c7e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c67df6e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild