$ git clone -n https://src.fedoraproject.org/rpms/rsnapshot.git /var/lib/mock/f39-build-1540433-36472/root/chroot_tmpdir/scmroot/rsnapshot
Cloning into '/var/lib/mock/f39-build-1540433-36472/root/chroot_tmpdir/scmroot/rsnapshot'...
$ git fetch origin f172a244a1fe8915ddd0318552b524024879dc99:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rsnapshot
 * [new ref]         f172a244a1fe8915ddd0318552b524024879dc99 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f172a24 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild