$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-lex.git /var/lib/mock/f40-build-781932-131928/root/chroot_tmpdir/scmroot/golang-modernc-lex
Cloning into '/var/lib/mock/f40-build-781932-131928/root/chroot_tmpdir/scmroot/golang-modernc-lex'...
$ git fetch origin c9200ef9ab354d4e7370d1f6b416e9c9fd11ea32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-lex
 * [new ref]         c9200ef9ab354d4e7370d1f6b416e9c9fd11ea32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9200ef Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild