$ git clone -n https://src.fedoraproject.org/rpms/golang-github-djherbis-nio.git /var/lib/mock/f39-build-1507797-35306/root/chroot_tmpdir/scmroot/golang-github-djherbis-nio
Cloning into '/var/lib/mock/f39-build-1507797-35306/root/chroot_tmpdir/scmroot/golang-github-djherbis-nio'...
$ git fetch origin 54e3e3eb006261d22c4b23b4fa31acbc99b2b19c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-djherbis-nio
 * [new ref]         54e3e3eb006261d22c4b23b4fa31acbc99b2b19c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54e3e3e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild