$ git clone -n https://src.fedoraproject.org/rpms/rstudio.git /var/lib/mock/f40-build-2602204-63242/root/chroot_tmpdir/scmroot/rstudio
Cloning into '/var/lib/mock/f40-build-2602204-63242/root/chroot_tmpdir/scmroot/rstudio'...
$ git fetch origin 217e105fd6d59f573f4e3237251910c705c3bae5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rstudio
 * [new ref]         217e105fd6d59f573f4e3237251910c705c3bae5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 217e105 Rebuilt for java-21-openjdk as system jdk