$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-BarGraph.git /var/lib/mock/f39-build-1434854-31956/root/chroot_tmpdir/scmroot/perl-HTML-BarGraph
Cloning into '/var/lib/mock/f39-build-1434854-31956/root/chroot_tmpdir/scmroot/perl-HTML-BarGraph'...
$ git fetch origin 639e32dcdb5dab4964bd6b539800d883fd5db5f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-BarGraph
 * [new ref]         639e32dcdb5dab4964bd6b539800d883fd5db5f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 639e32d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild