$ git clone -n https://src.fedoraproject.org/rpms/golang-github-opentracing.git /var/lib/mock/f40-build-2447715-61378/root/chroot_tmpdir/scmroot/golang-github-opentracing
Cloning into '/var/lib/mock/f40-build-2447715-61378/root/chroot_tmpdir/scmroot/golang-github-opentracing'...
$ git fetch origin c0a17be904f5a7ee9d9eb0ce86be656cc251824c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-opentracing
 * [new ref]         c0a17be904f5a7ee9d9eb0ce86be656cc251824c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0a17be Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild