$ git clone -n https://src.fedoraproject.org/rpms/v8-314.git /var/lib/mock/f42-build-3458057-45512/root/chroot_tmpdir/scmroot/v8-314
Cloning into '/var/lib/mock/f42-build-3458057-45512/root/chroot_tmpdir/scmroot/v8-314'...
$ git fetch origin 6b8bc71136625936d64177e56bfda28445bec95f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/v8-314
 * [new ref]         6b8bc71136625936d64177e56bfda28445bec95f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b8bc71 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild