$ git clone -n https://src.fedoraproject.org/rpms/nodejs-underscore.git /var/lib/mock/f40-build-2134110-50815/root/chroot_tmpdir/scmroot/nodejs-underscore
Cloning into '/var/lib/mock/f40-build-2134110-50815/root/chroot_tmpdir/scmroot/nodejs-underscore'...
$ git fetch origin 1cbc8b78be69d2e2a7eb0af382bb913ba40fb1a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nodejs-underscore
 * [new ref]         1cbc8b78be69d2e2a7eb0af382bb913ba40fb1a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1cbc8b7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild