$ git clone -n https://src.fedoraproject.org/rpms/perl-Regexp-Assemble.git /var/lib/mock/f40-build-2308041-57271/root/chroot_tmpdir/scmroot/perl-Regexp-Assemble
Cloning into '/var/lib/mock/f40-build-2308041-57271/root/chroot_tmpdir/scmroot/perl-Regexp-Assemble'...
$ git fetch origin 90cf6fe3b97c145f13c54cf0d66654073314861d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Regexp-Assemble
 * [new ref]         90cf6fe3b97c145f13c54cf0d66654073314861d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90cf6fe Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild