$ git clone -n https://src.fedoraproject.org/rpms/rubygem-goocanvas1.git /var/lib/mock/f41-build-740662-13309/root/chroot_tmpdir/scmroot/rubygem-goocanvas1
Cloning into '/var/lib/mock/f41-build-740662-13309/root/chroot_tmpdir/scmroot/rubygem-goocanvas1'...
$ git fetch origin 9fd73df259bfbaa98f80ed3c466fdd35fc06e14a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-goocanvas1
 * [new ref]         9fd73df259bfbaa98f80ed3c466fdd35fc06e14a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fd73df Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild