$ git clone -n https://src.fedoraproject.org/rpms/R-markdown.git /var/lib/mock/f40-build-2321773-58607/root/chroot_tmpdir/scmroot/R-markdown
Cloning into '/var/lib/mock/f40-build-2321773-58607/root/chroot_tmpdir/scmroot/R-markdown'...
$ git fetch origin d70091747254aa5915bbcf27fd0211819400ea27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-markdown
 * [new ref]         d70091747254aa5915bbcf27fd0211819400ea27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d700917 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild