$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-lex.git /var/lib/mock/f40-build-2002841-44764/root/chroot_tmpdir/scmroot/golang-modernc-lex
Cloning into '/var/lib/mock/f40-build-2002841-44764/root/chroot_tmpdir/scmroot/golang-modernc-lex'...
$ git fetch origin fe79bc48590db6236ce8d9d363c002e22faf0a3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-lex
 * [new ref]         fe79bc48590db6236ce8d9d363c002e22faf0a3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe79bc4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild