$ git clone -n https://src.fedoraproject.org/rpms/R-oskeyring.git /var/lib/mock/f40-build-2340162-59697/root/chroot_tmpdir/scmroot/R-oskeyring
Cloning into '/var/lib/mock/f40-build-2340162-59697/root/chroot_tmpdir/scmroot/R-oskeyring'...
$ git fetch origin 3b18004814cc458335bc4a857c4df856287a4ddf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-oskeyring
 * [new ref]         3b18004814cc458335bc4a857c4df856287a4ddf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b18004 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild