$ git clone -n https://src.fedoraproject.org/rpms/golang-github-emersion-imap.git /var/lib/mock/f39-build-1508041-35333/root/chroot_tmpdir/scmroot/golang-github-emersion-imap
Cloning into '/var/lib/mock/f39-build-1508041-35333/root/chroot_tmpdir/scmroot/golang-github-emersion-imap'...
$ git fetch origin 30d50d00074bfc23756f69dda7074cef1edbb192:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-emersion-imap
 * [new ref]         30d50d00074bfc23756f69dda7074cef1edbb192 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30d50d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild