$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cupcake-rdb.git /var/lib/mock/f40-build-2585654-62417/root/chroot_tmpdir/scmroot/golang-github-cupcake-rdb
Cloning into '/var/lib/mock/f40-build-2585654-62417/root/chroot_tmpdir/scmroot/golang-github-cupcake-rdb'...
$ git fetch origin 21b30af348c3ed95764ccc0663ad92fbef23e352:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cupcake-rdb
 * [new ref]         21b30af348c3ed95764ccc0663ad92fbef23e352 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21b30af Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild