$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-lex.git /var/lib/mock/f40-build-1532111-23927/root/chroot_tmpdir/scmroot/golang-modernc-lex
Cloning into '/var/lib/mock/f40-build-1532111-23927/root/chroot_tmpdir/scmroot/golang-modernc-lex'...
$ git fetch origin 2ace4b95aeee3b31c6b1b2c75b78e34b7750c9d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-lex
 * [new ref]         2ace4b95aeee3b31c6b1b2c75b78e34b7750c9d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ace4b9 Rebuild for golang 1.22.0