$ git clone -n https://src.fedoraproject.org/rpms/rubygem-goocanvas.git /var/lib/mock/f41-build-819792-151905/root/chroot_tmpdir/scmroot/rubygem-goocanvas
Cloning into '/var/lib/mock/f41-build-819792-151905/root/chroot_tmpdir/scmroot/rubygem-goocanvas'...
$ git fetch origin 3a3df6715404c9b40991542cc0b7857437265644:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-goocanvas
 * [new ref]         3a3df6715404c9b40991542cc0b7857437265644 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a3df67 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild