$ git clone -n https://src.fedoraproject.org/rpms/nodejs-undici.git /var/lib/mock/f40-build-2087966-50162/root/chroot_tmpdir/scmroot/nodejs-undici
Cloning into '/var/lib/mock/f40-build-2087966-50162/root/chroot_tmpdir/scmroot/nodejs-undici'...
$ git fetch origin 24ecdd7aa00af702086a9654264ae77560c6dde8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nodejs-undici
 * [new ref]         24ecdd7aa00af702086a9654264ae77560c6dde8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24ecdd7 Update to version 5.28.1 (rhbz#2251486)