$ git clone -n https://src.fedoraproject.org/rpms/R-credentials.git /var/lib/mock/f40-build-2268179-54730/root/chroot_tmpdir/scmroot/R-credentials
Cloning into '/var/lib/mock/f40-build-2268179-54730/root/chroot_tmpdir/scmroot/R-credentials'...
$ git fetch origin 9f71dfa2d5300d4a23ce0768cef15647ca99f61d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-credentials
 * [new ref]         9f71dfa2d5300d4a23ce0768cef15647ca99f61d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f71dfa Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild