$ git clone -n https://src.fedoraproject.org/rpms/rubygem-semantic.git /var/lib/mock/f40-build-1780638-24818/root/chroot_tmpdir/scmroot/rubygem-semantic
Cloning into '/var/lib/mock/f40-build-1780638-24818/root/chroot_tmpdir/scmroot/rubygem-semantic'...
$ git fetch origin 58eaeea63575fd7c8ac6f170781c0789168bc3c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-semantic
 * [new ref]         58eaeea63575fd7c8ac6f170781c0789168bc3c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58eaeea Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild