$ git clone -n https://src.fedoraproject.org/rpms/ikiwiki.git /var/lib/mock/f39-build-1701319-41205/root/chroot_tmpdir/scmroot/ikiwiki
Cloning into '/var/lib/mock/f39-build-1701319-41205/root/chroot_tmpdir/scmroot/ikiwiki'...
$ git fetch origin bba3393d26ea94e17643e2a9cdaf9755cda32891:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ikiwiki
 * [new ref]         bba3393d26ea94e17643e2a9cdaf9755cda32891 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bba3393 Rebuilt for Python 3.12