$ git clone -n https://src.fedoraproject.org/rpms/gcc14.git /var/lib/mock/f42-build-3300791-41426/root/chroot_tmpdir/scmroot/gcc14
Cloning into '/var/lib/mock/f42-build-3300791-41426/root/chroot_tmpdir/scmroot/gcc14'...
$ git fetch origin 92a7f6e565fed33c66133c19aaa1de0fe1cbafee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gcc14
 * [new ref]         92a7f6e565fed33c66133c19aaa1de0fe1cbafee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92a7f6e 14.2.1-8