$ git clone -n https://src.fedoraproject.org/rpms/goocanvas2.git /var/lib/mock/f42-build-888718-188755/root/chroot_tmpdir/scmroot/goocanvas2
Cloning into '/var/lib/mock/f42-build-888718-188755/root/chroot_tmpdir/scmroot/goocanvas2'...
$ git fetch origin d830998fcd6bbe2ed3261de7d0c7e6e5028cf13c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/goocanvas2
 * [new ref]         d830998fcd6bbe2ed3261de7d0c7e6e5028cf13c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d830998 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild