$ git clone -n https://src.fedoraproject.org/rpms/hgview.git /var/lib/mock/f39-build-1711078-41227/root/chroot_tmpdir/scmroot/hgview
Cloning into '/var/lib/mock/f39-build-1711078-41227/root/chroot_tmpdir/scmroot/hgview'...
$ git fetch origin 33a245ab1344a9c28f3ce73b3518e3797497a791:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hgview
 * [new ref]         33a245ab1344a9c28f3ce73b3518e3797497a791 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33a245a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild