$ git clone -n https://src.fedoraproject.org/rpms/nasm.git /var/lib/mock/f39-build-1562099-37421/root/chroot_tmpdir/scmroot/nasm
Cloning into '/var/lib/mock/f39-build-1562099-37421/root/chroot_tmpdir/scmroot/nasm'...
$ git fetch origin 3acf6552f1a88eb12d5c866984b774fd065f6c1c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nasm
 * [new ref]         3acf6552f1a88eb12d5c866984b774fd065f6c1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3acf655 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild