$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-Gumbo.git /var/lib/mock/f39-build-1436274-32053/root/chroot_tmpdir/scmroot/perl-HTML-Gumbo
Cloning into '/var/lib/mock/f39-build-1436274-32053/root/chroot_tmpdir/scmroot/perl-HTML-Gumbo'...
$ git fetch origin c82d74dc301b4872e4c6f1c88b045cfbf2dce646:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-Gumbo
 * [new ref]         c82d74dc301b4872e4c6f1c88b045cfbf2dce646 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c82d74d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild