$ git clone -n https://src.fedoraproject.org/rpms/golang-github-perimeterx-marshmallow.git /var/lib/mock/f40-build-2723553-73099/root/chroot_tmpdir/scmroot/golang-github-perimeterx-marshmallow
Cloning into '/var/lib/mock/f40-build-2723553-73099/root/chroot_tmpdir/scmroot/golang-github-perimeterx-marshmallow'...
$ git fetch origin ab5eed5e23cce2ab848dde89dce504777da5b4a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-perimeterx-marshmallow
 * [new ref]         ab5eed5e23cce2ab848dde89dce504777da5b4a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab5eed5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild